Alexey Samsonov | 4f0ea39 | 2012-09-24 13:19:47 +0000 | [diff] [blame] | 1 | //===-- tsan_interceptors.cc ----------------------------------------------===// |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | // |
| 10 | // This file is a part of ThreadSanitizer (TSan), a race detector. |
| 11 | // |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
Dmitry Vyukov | fce5bd4 | 2012-06-29 16:58:33 +0000 | [diff] [blame] | 14 | #include "sanitizer_common/sanitizer_atomic.h" |
Alexey Samsonov | 230c3be | 2012-06-06 09:26:25 +0000 | [diff] [blame] | 15 | #include "sanitizer_common/sanitizer_libc.h" |
Alexey Samsonov | 47b1634 | 2012-06-07 09:50:16 +0000 | [diff] [blame] | 16 | #include "sanitizer_common/sanitizer_placement_new.h" |
Alexey Samsonov | 7eff311 | 2012-09-27 09:50:19 +0000 | [diff] [blame] | 17 | #include "sanitizer_common/sanitizer_stacktrace.h" |
Dmitry Vyukov | 36decbf | 2012-12-05 10:16:17 +0000 | [diff] [blame] | 18 | #include "interception/interception.h" |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 19 | #include "tsan_interface.h" |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 20 | #include "tsan_platform.h" |
Alexey Samsonov | 4f0ea39 | 2012-09-24 13:19:47 +0000 | [diff] [blame] | 21 | #include "tsan_rtl.h" |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 22 | #include "tsan_mman.h" |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 23 | |
| 24 | using namespace __tsan; // NOLINT |
| 25 | |
Dmitry Vyukov | e963666 | 2012-06-27 16:05:06 +0000 | [diff] [blame] | 26 | const int kSigCount = 128; |
| 27 | |
| 28 | struct my_siginfo_t { |
| 29 | int opaque[128]; |
| 30 | }; |
| 31 | |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 32 | struct sigset_t { |
Dmitry Vyukov | e294d09 | 2012-05-22 18:01:33 +0000 | [diff] [blame] | 33 | u64 val[1024 / 8 / sizeof(u64)]; |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 34 | }; |
| 35 | |
| 36 | struct ucontext_t { |
Dmitry Vyukov | a5562db | 2012-06-27 17:35:35 +0000 | [diff] [blame] | 37 | uptr opaque[117]; |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 38 | }; |
| 39 | |
| 40 | extern "C" int pthread_attr_init(void *attr); |
| 41 | extern "C" int pthread_attr_destroy(void *attr); |
| 42 | extern "C" int pthread_attr_getdetachstate(void *attr, int *v); |
| 43 | extern "C" int pthread_attr_setstacksize(void *attr, uptr stacksize); |
| 44 | extern "C" int pthread_attr_getstacksize(void *attr, uptr *stacksize); |
| 45 | extern "C" int pthread_key_create(unsigned *key, void (*destructor)(void* v)); |
| 46 | extern "C" int pthread_setspecific(unsigned key, const void *v); |
| 47 | extern "C" int pthread_mutexattr_gettype(void *a, int *type); |
| 48 | extern "C" int pthread_yield(); |
| 49 | extern "C" int pthread_sigmask(int how, const sigset_t *set, sigset_t *oldset); |
| 50 | extern "C" int sigfillset(sigset_t *set); |
| 51 | extern "C" void *pthread_self(); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 52 | extern "C" void _exit(int status); |
| 53 | extern "C" int __cxa_atexit(void (*func)(void *arg), void *arg, void *dso); |
| 54 | extern "C" int *__errno_location(); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 55 | const int PTHREAD_MUTEX_RECURSIVE = 1; |
| 56 | const int PTHREAD_MUTEX_RECURSIVE_NP = 1; |
| 57 | const int kPthreadAttrSize = 56; |
| 58 | const int EINVAL = 22; |
| 59 | const int EBUSY = 16; |
| 60 | const int EPOLL_CTL_ADD = 1; |
Dmitry Vyukov | d91d067 | 2012-05-21 08:26:51 +0000 | [diff] [blame] | 61 | const int SIGILL = 4; |
| 62 | const int SIGABRT = 6; |
| 63 | const int SIGFPE = 8; |
| 64 | const int SIGSEGV = 11; |
| 65 | const int SIGPIPE = 13; |
| 66 | const int SIGBUS = 7; |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 67 | void *const MAP_FAILED = (void*)-1; |
| 68 | const int PTHREAD_BARRIER_SERIAL_THREAD = -1; |
| 69 | const int MAP_FIXED = 0x10; |
| 70 | typedef long long_t; // NOLINT |
| 71 | |
Alexander Potapenko | 0ce948e | 2012-09-11 09:26:35 +0000 | [diff] [blame] | 72 | // From /usr/include/unistd.h |
| 73 | # define F_ULOCK 0 /* Unlock a previously locked region. */ |
| 74 | # define F_LOCK 1 /* Lock a region for exclusive use. */ |
| 75 | # define F_TLOCK 2 /* Test and lock a region for exclusive use. */ |
| 76 | # define F_TEST 3 /* Test a region for other processes locks. */ |
| 77 | |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 78 | typedef void (*sighandler_t)(int sig); |
| 79 | |
Dmitry Vyukov | 7a72b4a | 2012-06-27 13:54:46 +0000 | [diff] [blame] | 80 | #define errno (*__errno_location()) |
| 81 | |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 82 | union pthread_attr_t { |
| 83 | char size[kPthreadAttrSize]; |
| 84 | void *align; |
| 85 | }; |
| 86 | |
| 87 | struct sigaction_t { |
| 88 | union { |
| 89 | sighandler_t sa_handler; |
| 90 | void (*sa_sigaction)(int sig, my_siginfo_t *siginfo, void *uctx); |
| 91 | }; |
| 92 | sigset_t sa_mask; |
| 93 | int sa_flags; |
| 94 | void (*sa_restorer)(); |
| 95 | }; |
| 96 | |
| 97 | const sighandler_t SIG_DFL = (sighandler_t)0; |
| 98 | const sighandler_t SIG_IGN = (sighandler_t)1; |
Dmitry Vyukov | d91d067 | 2012-05-21 08:26:51 +0000 | [diff] [blame] | 99 | const sighandler_t SIG_ERR = (sighandler_t)-1; |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 100 | const int SA_SIGINFO = 4; |
| 101 | const int SIG_SETMASK = 2; |
| 102 | |
Alexey Samsonov | 7eff311 | 2012-09-27 09:50:19 +0000 | [diff] [blame] | 103 | namespace std { |
| 104 | struct nothrow_t {}; |
| 105 | } // namespace std |
| 106 | |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 107 | static sigaction_t sigactions[kSigCount]; |
| 108 | |
Dmitry Vyukov | e963666 | 2012-06-27 16:05:06 +0000 | [diff] [blame] | 109 | namespace __tsan { |
| 110 | struct SignalDesc { |
| 111 | bool armed; |
| 112 | bool sigaction; |
| 113 | my_siginfo_t siginfo; |
| 114 | ucontext_t ctx; |
| 115 | }; |
| 116 | |
| 117 | struct SignalContext { |
Dmitry Vyukov | ee8ee24 | 2012-11-15 17:40:49 +0000 | [diff] [blame] | 118 | int in_blocking_func; |
Dmitry Vyukov | e963666 | 2012-06-27 16:05:06 +0000 | [diff] [blame] | 119 | int int_signal_send; |
| 120 | int pending_signal_count; |
| 121 | SignalDesc pending_signals[kSigCount]; |
| 122 | }; |
| 123 | } |
| 124 | |
| 125 | static SignalContext *SigCtx(ThreadState *thr) { |
| 126 | SignalContext *ctx = (SignalContext*)thr->signal_ctx; |
Dmitry Vyukov | 1fc03d5 | 2012-06-28 18:07:46 +0000 | [diff] [blame] | 127 | if (ctx == 0 && thr->is_alive) { |
Dmitry Vyukov | e963666 | 2012-06-27 16:05:06 +0000 | [diff] [blame] | 128 | ScopedInRtl in_rtl; |
| 129 | ctx = (SignalContext*)internal_alloc( |
| 130 | MBlockSignal, sizeof(*ctx)); |
Dmitry Vyukov | 43b0461 | 2012-06-28 18:20:50 +0000 | [diff] [blame] | 131 | MemoryResetRange(thr, 0, (uptr)ctx, sizeof(*ctx)); |
Dmitry Vyukov | e963666 | 2012-06-27 16:05:06 +0000 | [diff] [blame] | 132 | internal_memset(ctx, 0, sizeof(*ctx)); |
| 133 | thr->signal_ctx = ctx; |
| 134 | } |
| 135 | return ctx; |
| 136 | } |
| 137 | |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 138 | static unsigned g_thread_finalize_key; |
| 139 | |
Dmitry Vyukov | 36decbf | 2012-12-05 10:16:17 +0000 | [diff] [blame] | 140 | class ScopedInterceptor { |
| 141 | public: |
| 142 | ScopedInterceptor(ThreadState *thr, const char *fname, uptr pc); |
| 143 | ~ScopedInterceptor(); |
| 144 | private: |
| 145 | ThreadState *const thr_; |
| 146 | const int in_rtl_; |
| 147 | }; |
| 148 | |
Alexey Samsonov | 4f0ea39 | 2012-09-24 13:19:47 +0000 | [diff] [blame] | 149 | ScopedInterceptor::ScopedInterceptor(ThreadState *thr, const char *fname, |
| 150 | uptr pc) |
| 151 | : thr_(thr) |
| 152 | , in_rtl_(thr->in_rtl) { |
| 153 | if (thr_->in_rtl == 0) { |
| 154 | Initialize(thr); |
| 155 | FuncEntry(thr, pc); |
| 156 | thr_->in_rtl++; |
| 157 | DPrintf("#%d: intercept %s()\n", thr_->tid, fname); |
| 158 | } else { |
| 159 | thr_->in_rtl++; |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 160 | } |
Alexey Samsonov | 4f0ea39 | 2012-09-24 13:19:47 +0000 | [diff] [blame] | 161 | } |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 162 | |
Alexey Samsonov | 4f0ea39 | 2012-09-24 13:19:47 +0000 | [diff] [blame] | 163 | ScopedInterceptor::~ScopedInterceptor() { |
| 164 | thr_->in_rtl--; |
| 165 | if (thr_->in_rtl == 0) { |
| 166 | FuncExit(thr_); |
Dmitry Vyukov | ee8ee24 | 2012-11-15 17:40:49 +0000 | [diff] [blame] | 167 | ProcessPendingSignals(thr_); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 168 | } |
Alexey Samsonov | 4f0ea39 | 2012-09-24 13:19:47 +0000 | [diff] [blame] | 169 | CHECK_EQ(in_rtl_, thr_->in_rtl); |
Dmitry Vyukov | 05906a7 | 2012-05-21 17:39:40 +0000 | [diff] [blame] | 170 | } |
| 171 | |
Dmitry Vyukov | 36decbf | 2012-12-05 10:16:17 +0000 | [diff] [blame] | 172 | #define SCOPED_INTERCEPTOR_RAW(func, ...) \ |
| 173 | ThreadState *thr = cur_thread(); \ |
| 174 | StatInc(thr, StatInterceptor); \ |
| 175 | StatInc(thr, StatInt_##func); \ |
| 176 | const uptr caller_pc = GET_CALLER_PC(); \ |
| 177 | ScopedInterceptor si(thr, #func, caller_pc); \ |
| 178 | /* Subtract one from pc as we need current instruction address */ \ |
| 179 | const uptr pc = __sanitizer::StackTrace::GetCurrentPc() - 1; \ |
| 180 | (void)pc; \ |
| 181 | /**/ |
| 182 | |
| 183 | #define SCOPED_TSAN_INTERCEPTOR(func, ...) \ |
| 184 | SCOPED_INTERCEPTOR_RAW(func, __VA_ARGS__); \ |
| 185 | if (REAL(func) == 0) { \ |
| 186 | Printf("FATAL: ThreadSanitizer: failed to intercept %s\n", #func); \ |
| 187 | Die(); \ |
| 188 | } \ |
| 189 | if (thr->in_rtl > 1) \ |
| 190 | return REAL(func)(__VA_ARGS__); \ |
| 191 | /**/ |
| 192 | |
| 193 | #define TSAN_INTERCEPTOR(ret, func, ...) INTERCEPTOR(ret, func, __VA_ARGS__) |
| 194 | #define TSAN_INTERCEPT(func) INTERCEPT_FUNCTION(func) |
| 195 | |
Dmitry Vyukov | ee8ee24 | 2012-11-15 17:40:49 +0000 | [diff] [blame] | 196 | #define BLOCK_REAL(name) (BlockingCall(thr), REAL(name)) |
| 197 | |
| 198 | struct BlockingCall { |
Alexey Samsonov | b717f4d | 2012-11-16 11:21:07 +0000 | [diff] [blame] | 199 | explicit BlockingCall(ThreadState *thr) |
Dmitry Vyukov | ee8ee24 | 2012-11-15 17:40:49 +0000 | [diff] [blame] | 200 | : ctx(SigCtx(thr)) { |
Dmitry Vyukov | ee8ee24 | 2012-11-15 17:40:49 +0000 | [diff] [blame] | 201 | ctx->in_blocking_func++; |
| 202 | } |
| 203 | |
| 204 | ~BlockingCall() { |
| 205 | ctx->in_blocking_func--; |
Dmitry Vyukov | ee8ee24 | 2012-11-15 17:40:49 +0000 | [diff] [blame] | 206 | } |
| 207 | |
| 208 | SignalContext *ctx; |
| 209 | }; |
| 210 | |
Dmitry Vyukov | 8485311 | 2012-08-31 17:27:49 +0000 | [diff] [blame] | 211 | TSAN_INTERCEPTOR(unsigned, sleep, unsigned sec) { |
| 212 | SCOPED_TSAN_INTERCEPTOR(sleep, sec); |
Dmitry Vyukov | ee8ee24 | 2012-11-15 17:40:49 +0000 | [diff] [blame] | 213 | unsigned res = BLOCK_REAL(sleep)(sec); |
Dmitry Vyukov | 8485311 | 2012-08-31 17:27:49 +0000 | [diff] [blame] | 214 | AfterSleep(thr, pc); |
| 215 | return res; |
| 216 | } |
| 217 | |
| 218 | TSAN_INTERCEPTOR(int, usleep, long_t usec) { |
| 219 | SCOPED_TSAN_INTERCEPTOR(usleep, usec); |
Dmitry Vyukov | ee8ee24 | 2012-11-15 17:40:49 +0000 | [diff] [blame] | 220 | int res = BLOCK_REAL(usleep)(usec); |
Dmitry Vyukov | 8485311 | 2012-08-31 17:27:49 +0000 | [diff] [blame] | 221 | AfterSleep(thr, pc); |
| 222 | return res; |
| 223 | } |
| 224 | |
| 225 | TSAN_INTERCEPTOR(int, nanosleep, void *req, void *rem) { |
| 226 | SCOPED_TSAN_INTERCEPTOR(nanosleep, req, rem); |
Dmitry Vyukov | ee8ee24 | 2012-11-15 17:40:49 +0000 | [diff] [blame] | 227 | int res = BLOCK_REAL(nanosleep)(req, rem); |
Dmitry Vyukov | 8485311 | 2012-08-31 17:27:49 +0000 | [diff] [blame] | 228 | AfterSleep(thr, pc); |
| 229 | return res; |
| 230 | } |
| 231 | |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 232 | class AtExitContext { |
| 233 | public: |
| 234 | AtExitContext() |
| 235 | : mtx_(MutexTypeAtExit, StatMtxAtExit) |
| 236 | , pos_() { |
| 237 | } |
| 238 | |
| 239 | typedef void(*atexit_t)(); |
| 240 | |
| 241 | int atexit(ThreadState *thr, uptr pc, atexit_t f) { |
| 242 | Lock l(&mtx_); |
| 243 | if (pos_ == kMaxAtExit) |
| 244 | return 1; |
| 245 | Release(thr, pc, (uptr)this); |
| 246 | stack_[pos_] = f; |
| 247 | pos_++; |
| 248 | return 0; |
| 249 | } |
| 250 | |
| 251 | void exit(ThreadState *thr, uptr pc) { |
| 252 | CHECK_EQ(thr->in_rtl, 0); |
| 253 | for (;;) { |
| 254 | atexit_t f = 0; |
| 255 | { |
| 256 | Lock l(&mtx_); |
| 257 | if (pos_) { |
| 258 | pos_--; |
| 259 | f = stack_[pos_]; |
| 260 | ScopedInRtl in_rtl; |
| 261 | Acquire(thr, pc, (uptr)this); |
| 262 | } |
| 263 | } |
| 264 | if (f == 0) |
| 265 | break; |
| 266 | DPrintf("#%d: executing atexit func %p\n", thr->tid, f); |
| 267 | CHECK_EQ(thr->in_rtl, 0); |
| 268 | f(); |
| 269 | } |
| 270 | } |
| 271 | |
| 272 | private: |
| 273 | static const int kMaxAtExit = 128; |
| 274 | Mutex mtx_; |
| 275 | atexit_t stack_[kMaxAtExit]; |
| 276 | int pos_; |
| 277 | }; |
| 278 | |
| 279 | static AtExitContext *atexit_ctx; |
| 280 | |
| 281 | static void finalize(void *arg) { |
| 282 | ThreadState * thr = cur_thread(); |
| 283 | uptr pc = 0; |
| 284 | atexit_ctx->exit(thr, pc); |
| 285 | { |
| 286 | ScopedInRtl in_rtl; |
| 287 | DestroyAndFree(atexit_ctx); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 288 | } |
| 289 | int status = Finalize(cur_thread()); |
Dmitry Vyukov | b7b6b1c | 2012-05-17 15:00:27 +0000 | [diff] [blame] | 290 | if (status) |
| 291 | _exit(status); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 292 | } |
| 293 | |
| 294 | TSAN_INTERCEPTOR(int, atexit, void (*f)()) { |
| 295 | SCOPED_TSAN_INTERCEPTOR(atexit, f); |
| 296 | return atexit_ctx->atexit(thr, pc, f); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 297 | } |
| 298 | |
Dmitry Vyukov | f037f56 | 2012-05-31 18:03:59 +0000 | [diff] [blame] | 299 | TSAN_INTERCEPTOR(void, longjmp, void *env, int val) { |
| 300 | SCOPED_TSAN_INTERCEPTOR(longjmp, env, val); |
Alexey Samsonov | b1fe302 | 2012-11-02 12:17:51 +0000 | [diff] [blame] | 301 | Printf("ThreadSanitizer: longjmp() is not supported\n"); |
Dmitry Vyukov | f037f56 | 2012-05-31 18:03:59 +0000 | [diff] [blame] | 302 | Die(); |
| 303 | } |
| 304 | |
| 305 | TSAN_INTERCEPTOR(void, siglongjmp, void *env, int val) { |
| 306 | SCOPED_TSAN_INTERCEPTOR(siglongjmp, env, val); |
Alexey Samsonov | b1fe302 | 2012-11-02 12:17:51 +0000 | [diff] [blame] | 307 | Printf("ThreadSanitizer: siglongjmp() is not supported\n"); |
Dmitry Vyukov | f037f56 | 2012-05-31 18:03:59 +0000 | [diff] [blame] | 308 | Die(); |
| 309 | } |
| 310 | |
Dmitry Vyukov | 3f4e6d9 | 2012-12-07 14:40:10 +0000 | [diff] [blame^] | 311 | enum FdType { |
| 312 | FdOther, // Something we don't know about, global sync. |
| 313 | FdNone, // Does not require any sync. |
| 314 | FdFile, |
| 315 | FdSock, |
| 316 | FdPipe, |
| 317 | FdEvent, // see eventfd() |
| 318 | FdPoll, |
| 319 | }; |
| 320 | |
| 321 | struct FdDesc { |
| 322 | FdType type; |
| 323 | u64 sync; |
| 324 | }; |
| 325 | |
| 326 | struct FdContext { |
| 327 | static const int kMaxFds = 10 * 1024; // Everything else is synced globally. |
| 328 | FdDesc desc[kMaxFds]; |
| 329 | // Addresses used for synchronization. |
| 330 | u64 fdother; |
| 331 | u64 fdfile; |
| 332 | u64 fdsock; |
| 333 | u64 fdpipe; |
| 334 | u64 fdpoll; |
| 335 | u64 fdevent; |
| 336 | }; |
| 337 | |
| 338 | static FdContext fdctx; |
| 339 | |
| 340 | static void FdInit() { |
| 341 | fdctx.desc[0].type = FdNone; |
| 342 | fdctx.desc[1].type = FdNone; |
| 343 | fdctx.desc[2].type = FdNone; |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 344 | } |
| 345 | |
Dmitry Vyukov | 3f4e6d9 | 2012-12-07 14:40:10 +0000 | [diff] [blame^] | 346 | static void *FdAddr(int fd) { |
| 347 | if (fd >= FdContext::kMaxFds) |
| 348 | return &fdctx.fdother; |
| 349 | FdDesc *desc = &fdctx.desc[fd]; |
| 350 | if (desc->type == FdOther) |
| 351 | return &fdctx.fdother; |
| 352 | if (desc->type == FdNone) |
| 353 | return 0; |
| 354 | if (desc->type == FdFile) |
| 355 | return &fdctx.fdfile; |
| 356 | if (desc->type == FdSock) |
| 357 | return &fdctx.fdsock; |
| 358 | if (desc->type == FdPipe) |
| 359 | return &fdctx.fdpipe; |
| 360 | if (desc->type == FdEvent) |
| 361 | return &fdctx.fdevent; |
| 362 | if (desc->type == FdPoll) |
| 363 | return &fdctx.fdpoll; |
| 364 | CHECK(0); |
| 365 | return 0; |
| 366 | } |
| 367 | |
| 368 | static void FdAcquire(ThreadState *thr, uptr pc, int fd) { |
| 369 | void *addr = FdAddr(fd); |
| 370 | if (addr) |
| 371 | Acquire(thr, pc, (uptr)addr); |
| 372 | } |
| 373 | |
| 374 | static void FdRelease(ThreadState *thr, uptr pc, int fd) { |
| 375 | void *addr = FdAddr(fd); |
| 376 | if (addr) |
| 377 | Acquire(thr, pc, (uptr)addr); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 378 | } |
| 379 | |
| 380 | static uptr file2addr(char *path) { |
| 381 | (void)path; |
| 382 | static u64 addr; |
| 383 | return (uptr)&addr; |
| 384 | } |
| 385 | |
| 386 | static uptr dir2addr(char *path) { |
| 387 | (void)path; |
| 388 | static u64 addr; |
| 389 | return (uptr)&addr; |
| 390 | } |
| 391 | |
| 392 | TSAN_INTERCEPTOR(void*, malloc, uptr size) { |
Dmitry Vyukov | 05906a7 | 2012-05-21 17:39:40 +0000 | [diff] [blame] | 393 | void *p = 0; |
| 394 | { |
| 395 | SCOPED_INTERCEPTOR_RAW(malloc, size); |
| 396 | p = user_alloc(thr, pc, size); |
| 397 | } |
| 398 | invoke_malloc_hook(p, size); |
| 399 | return p; |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 400 | } |
| 401 | |
Dmitry Vyukov | 07ba8ef | 2012-11-30 17:27:58 +0000 | [diff] [blame] | 402 | TSAN_INTERCEPTOR(void*, __libc_memalign, uptr align, uptr sz) { |
| 403 | SCOPED_TSAN_INTERCEPTOR(__libc_memalign, align, sz); |
Dmitry Vyukov | 543b94a | 2012-11-30 17:45:53 +0000 | [diff] [blame] | 404 | return user_alloc(thr, pc, sz, align); |
Dmitry Vyukov | 07ba8ef | 2012-11-30 17:27:58 +0000 | [diff] [blame] | 405 | } |
| 406 | |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 407 | TSAN_INTERCEPTOR(void*, calloc, uptr size, uptr n) { |
Dmitry Vyukov | 05906a7 | 2012-05-21 17:39:40 +0000 | [diff] [blame] | 408 | void *p = 0; |
| 409 | { |
| 410 | SCOPED_INTERCEPTOR_RAW(calloc, size, n); |
| 411 | p = user_alloc(thr, pc, n * size); |
Alexander Potapenko | 0ce948e | 2012-09-11 09:26:35 +0000 | [diff] [blame] | 412 | if (p) internal_memset(p, 0, n * size); |
Dmitry Vyukov | 05906a7 | 2012-05-21 17:39:40 +0000 | [diff] [blame] | 413 | } |
| 414 | invoke_malloc_hook(p, n * size); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 415 | return p; |
| 416 | } |
| 417 | |
| 418 | TSAN_INTERCEPTOR(void*, realloc, void *p, uptr size) { |
Dmitry Vyukov | 05906a7 | 2012-05-21 17:39:40 +0000 | [diff] [blame] | 419 | if (p) |
| 420 | invoke_free_hook(p); |
| 421 | { |
| 422 | SCOPED_INTERCEPTOR_RAW(realloc, p, size); |
| 423 | p = user_realloc(thr, pc, p, size); |
| 424 | } |
| 425 | invoke_malloc_hook(p, size); |
| 426 | return p; |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 427 | } |
| 428 | |
| 429 | TSAN_INTERCEPTOR(void, free, void *p) { |
| 430 | if (p == 0) |
| 431 | return; |
Dmitry Vyukov | 05906a7 | 2012-05-21 17:39:40 +0000 | [diff] [blame] | 432 | invoke_free_hook(p); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 433 | SCOPED_INTERCEPTOR_RAW(free, p); |
| 434 | user_free(thr, pc, p); |
| 435 | } |
| 436 | |
| 437 | TSAN_INTERCEPTOR(void, cfree, void *p) { |
| 438 | if (p == 0) |
| 439 | return; |
Dmitry Vyukov | 05906a7 | 2012-05-21 17:39:40 +0000 | [diff] [blame] | 440 | invoke_free_hook(p); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 441 | SCOPED_INTERCEPTOR_RAW(cfree, p); |
| 442 | user_free(thr, pc, p); |
| 443 | } |
| 444 | |
Alexey Samsonov | 7eff311 | 2012-09-27 09:50:19 +0000 | [diff] [blame] | 445 | #define OPERATOR_NEW_BODY(mangled_name) \ |
| 446 | void *p = 0; \ |
| 447 | { \ |
| 448 | SCOPED_INTERCEPTOR_RAW(mangled_name, size); \ |
| 449 | p = user_alloc(thr, pc, size); \ |
| 450 | } \ |
| 451 | invoke_malloc_hook(p, size); \ |
| 452 | return p; |
| 453 | |
| 454 | void *operator new(__sanitizer::uptr size) { |
| 455 | OPERATOR_NEW_BODY(_Znwm); |
| 456 | } |
| 457 | void *operator new[](__sanitizer::uptr size) { |
| 458 | OPERATOR_NEW_BODY(_Znam); |
| 459 | } |
| 460 | void *operator new(__sanitizer::uptr size, std::nothrow_t const&) { |
| 461 | OPERATOR_NEW_BODY(_ZnwmRKSt9nothrow_t); |
| 462 | } |
| 463 | void *operator new[](__sanitizer::uptr size, std::nothrow_t const&) { |
| 464 | OPERATOR_NEW_BODY(_ZnamRKSt9nothrow_t); |
| 465 | } |
| 466 | |
| 467 | #define OPERATOR_DELETE_BODY(mangled_name) \ |
| 468 | if (ptr == 0) return; \ |
| 469 | invoke_free_hook(ptr); \ |
| 470 | SCOPED_INTERCEPTOR_RAW(mangled_name, ptr); \ |
| 471 | user_free(thr, pc, ptr); |
| 472 | |
| 473 | void operator delete(void *ptr) { |
| 474 | OPERATOR_DELETE_BODY(_ZdlPv); |
| 475 | } |
| 476 | void operator delete[](void *ptr) { |
| 477 | OPERATOR_DELETE_BODY(_ZdlPvRKSt9nothrow_t); |
| 478 | } |
| 479 | void operator delete(void *ptr, std::nothrow_t const&) { |
| 480 | OPERATOR_DELETE_BODY(_ZdaPv); |
| 481 | } |
| 482 | void operator delete[](void *ptr, std::nothrow_t const&) { |
| 483 | OPERATOR_DELETE_BODY(_ZdaPvRKSt9nothrow_t); |
| 484 | } |
| 485 | |
Dmitry Vyukov | d51a1a1 | 2012-06-27 21:00:23 +0000 | [diff] [blame] | 486 | TSAN_INTERCEPTOR(uptr, strlen, const char *s) { |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 487 | SCOPED_TSAN_INTERCEPTOR(strlen, s); |
Dmitry Vyukov | d51a1a1 | 2012-06-27 21:00:23 +0000 | [diff] [blame] | 488 | uptr len = internal_strlen(s); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 489 | MemoryAccessRange(thr, pc, (uptr)s, len + 1, false); |
| 490 | return len; |
| 491 | } |
| 492 | |
Dmitry Vyukov | 065c4ac | 2012-06-29 15:19:14 +0000 | [diff] [blame] | 493 | TSAN_INTERCEPTOR(void*, memset, void *dst, int v, uptr size) { |
| 494 | SCOPED_TSAN_INTERCEPTOR(memset, dst, v, size); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 495 | MemoryAccessRange(thr, pc, (uptr)dst, size, true); |
Dmitry Vyukov | 065c4ac | 2012-06-29 15:19:14 +0000 | [diff] [blame] | 496 | return internal_memset(dst, v, size); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 497 | } |
| 498 | |
Dmitry Vyukov | 065c4ac | 2012-06-29 15:19:14 +0000 | [diff] [blame] | 499 | TSAN_INTERCEPTOR(void*, memcpy, void *dst, const void *src, uptr size) { |
| 500 | SCOPED_TSAN_INTERCEPTOR(memcpy, dst, src, size); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 501 | MemoryAccessRange(thr, pc, (uptr)dst, size, true); |
| 502 | MemoryAccessRange(thr, pc, (uptr)src, size, false); |
Dmitry Vyukov | 065c4ac | 2012-06-29 15:19:14 +0000 | [diff] [blame] | 503 | return internal_memcpy(dst, src, size); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 504 | } |
| 505 | |
Dmitry Vyukov | 065c4ac | 2012-06-29 15:19:14 +0000 | [diff] [blame] | 506 | TSAN_INTERCEPTOR(int, memcmp, const void *s1, const void *s2, uptr n) { |
| 507 | SCOPED_TSAN_INTERCEPTOR(memcmp, s1, s2, n); |
Dmitry Vyukov | d51a1a1 | 2012-06-27 21:00:23 +0000 | [diff] [blame] | 508 | int res = 0; |
| 509 | uptr len = 0; |
| 510 | for (; len < n; len++) { |
| 511 | if ((res = ((unsigned char*)s1)[len] - ((unsigned char*)s2)[len])) |
| 512 | break; |
| 513 | } |
| 514 | MemoryAccessRange(thr, pc, (uptr)s1, len < n ? len + 1 : n, false); |
| 515 | MemoryAccessRange(thr, pc, (uptr)s2, len < n ? len + 1 : n, false); |
| 516 | return res; |
| 517 | } |
Dmitry Vyukov | d51a1a1 | 2012-06-27 21:00:23 +0000 | [diff] [blame] | 518 | |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 519 | TSAN_INTERCEPTOR(int, strcmp, const char *s1, const char *s2) { |
| 520 | SCOPED_TSAN_INTERCEPTOR(strcmp, s1, s2); |
| 521 | uptr len = 0; |
| 522 | for (; s1[len] && s2[len]; len++) { |
| 523 | if (s1[len] != s2[len]) |
| 524 | break; |
| 525 | } |
| 526 | MemoryAccessRange(thr, pc, (uptr)s1, len + 1, false); |
| 527 | MemoryAccessRange(thr, pc, (uptr)s2, len + 1, false); |
| 528 | return s1[len] - s2[len]; |
| 529 | } |
| 530 | |
| 531 | TSAN_INTERCEPTOR(int, strncmp, const char *s1, const char *s2, uptr n) { |
| 532 | SCOPED_TSAN_INTERCEPTOR(strncmp, s1, s2, n); |
| 533 | uptr len = 0; |
Dmitry Vyukov | 7d38634 | 2012-05-18 08:53:16 +0000 | [diff] [blame] | 534 | for (; len < n && s1[len] && s2[len]; len++) { |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 535 | if (s1[len] != s2[len]) |
| 536 | break; |
| 537 | } |
| 538 | MemoryAccessRange(thr, pc, (uptr)s1, len < n ? len + 1 : n, false); |
| 539 | MemoryAccessRange(thr, pc, (uptr)s2, len < n ? len + 1 : n, false); |
| 540 | return len == n ? 0 : s1[len] - s2[len]; |
| 541 | } |
| 542 | |
| 543 | TSAN_INTERCEPTOR(void*, memchr, void *s, int c, uptr n) { |
| 544 | SCOPED_TSAN_INTERCEPTOR(memchr, s, c, n); |
| 545 | void *res = REAL(memchr)(s, c, n); |
| 546 | uptr len = res ? (char*)res - (char*)s + 1 : n; |
| 547 | MemoryAccessRange(thr, pc, (uptr)s, len, false); |
| 548 | return res; |
| 549 | } |
| 550 | |
| 551 | TSAN_INTERCEPTOR(void*, memrchr, char *s, int c, uptr n) { |
| 552 | SCOPED_TSAN_INTERCEPTOR(memrchr, s, c, n); |
| 553 | MemoryAccessRange(thr, pc, (uptr)s, n, false); |
| 554 | return REAL(memrchr)(s, c, n); |
| 555 | } |
| 556 | |
| 557 | TSAN_INTERCEPTOR(void*, memmove, void *dst, void *src, uptr n) { |
| 558 | SCOPED_TSAN_INTERCEPTOR(memmove, dst, src, n); |
| 559 | MemoryAccessRange(thr, pc, (uptr)dst, n, true); |
| 560 | MemoryAccessRange(thr, pc, (uptr)src, n, false); |
| 561 | return REAL(memmove)(dst, src, n); |
| 562 | } |
| 563 | |
Dmitry Vyukov | d51a1a1 | 2012-06-27 21:00:23 +0000 | [diff] [blame] | 564 | TSAN_INTERCEPTOR(char*, strchr, char *s, int c) { |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 565 | SCOPED_TSAN_INTERCEPTOR(strchr, s, c); |
Dmitry Vyukov | d51a1a1 | 2012-06-27 21:00:23 +0000 | [diff] [blame] | 566 | char *res = REAL(strchr)(s, c); |
| 567 | uptr len = res ? (char*)res - (char*)s + 1 : internal_strlen(s) + 1; |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 568 | MemoryAccessRange(thr, pc, (uptr)s, len, false); |
| 569 | return res; |
| 570 | } |
| 571 | |
Dmitry Vyukov | d51a1a1 | 2012-06-27 21:00:23 +0000 | [diff] [blame] | 572 | TSAN_INTERCEPTOR(char*, strchrnul, char *s, int c) { |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 573 | SCOPED_TSAN_INTERCEPTOR(strchrnul, s, c); |
Dmitry Vyukov | d51a1a1 | 2012-06-27 21:00:23 +0000 | [diff] [blame] | 574 | char *res = REAL(strchrnul)(s, c); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 575 | uptr len = (char*)res - (char*)s + 1; |
| 576 | MemoryAccessRange(thr, pc, (uptr)s, len, false); |
| 577 | return res; |
| 578 | } |
| 579 | |
Dmitry Vyukov | d51a1a1 | 2012-06-27 21:00:23 +0000 | [diff] [blame] | 580 | TSAN_INTERCEPTOR(char*, strrchr, char *s, int c) { |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 581 | SCOPED_TSAN_INTERCEPTOR(strrchr, s, c); |
Dmitry Vyukov | d51a1a1 | 2012-06-27 21:00:23 +0000 | [diff] [blame] | 582 | MemoryAccessRange(thr, pc, (uptr)s, internal_strlen(s) + 1, false); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 583 | return REAL(strrchr)(s, c); |
| 584 | } |
| 585 | |
Dmitry Vyukov | d51a1a1 | 2012-06-27 21:00:23 +0000 | [diff] [blame] | 586 | TSAN_INTERCEPTOR(char*, strcpy, char *dst, const char *src) { // NOLINT |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 587 | SCOPED_TSAN_INTERCEPTOR(strcpy, dst, src); // NOLINT |
Dmitry Vyukov | d51a1a1 | 2012-06-27 21:00:23 +0000 | [diff] [blame] | 588 | uptr srclen = internal_strlen(src); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 589 | MemoryAccessRange(thr, pc, (uptr)dst, srclen + 1, true); |
| 590 | MemoryAccessRange(thr, pc, (uptr)src, srclen + 1, false); |
| 591 | return REAL(strcpy)(dst, src); // NOLINT |
| 592 | } |
| 593 | |
Dmitry Vyukov | d51a1a1 | 2012-06-27 21:00:23 +0000 | [diff] [blame] | 594 | TSAN_INTERCEPTOR(char*, strncpy, char *dst, char *src, uptr n) { |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 595 | SCOPED_TSAN_INTERCEPTOR(strncpy, dst, src, n); |
Kostya Serebryany | b93c3d5 | 2012-07-13 13:04:43 +0000 | [diff] [blame] | 596 | uptr srclen = internal_strnlen(src, n); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 597 | MemoryAccessRange(thr, pc, (uptr)dst, n, true); |
| 598 | MemoryAccessRange(thr, pc, (uptr)src, min(srclen + 1, n), false); |
| 599 | return REAL(strncpy)(dst, src, n); |
| 600 | } |
| 601 | |
| 602 | TSAN_INTERCEPTOR(const char*, strstr, const char *s1, const char *s2) { |
| 603 | SCOPED_TSAN_INTERCEPTOR(strstr, s1, s2); |
| 604 | const char *res = REAL(strstr)(s1, s2); |
Dmitry Vyukov | d51a1a1 | 2012-06-27 21:00:23 +0000 | [diff] [blame] | 605 | uptr len1 = internal_strlen(s1); |
| 606 | uptr len2 = internal_strlen(s2); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 607 | MemoryAccessRange(thr, pc, (uptr)s1, len1 + 1, false); |
| 608 | MemoryAccessRange(thr, pc, (uptr)s2, len2 + 1, false); |
| 609 | return res; |
| 610 | } |
| 611 | |
| 612 | static bool fix_mmap_addr(void **addr, long_t sz, int flags) { |
| 613 | if (*addr) { |
| 614 | if (!IsAppMem((uptr)*addr) || !IsAppMem((uptr)*addr + sz - 1)) { |
| 615 | if (flags & MAP_FIXED) { |
Dmitry Vyukov | 7a72b4a | 2012-06-27 13:54:46 +0000 | [diff] [blame] | 616 | errno = EINVAL; |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 617 | return false; |
| 618 | } else { |
| 619 | *addr = 0; |
| 620 | } |
| 621 | } |
| 622 | } |
| 623 | return true; |
| 624 | } |
| 625 | |
| 626 | TSAN_INTERCEPTOR(void*, mmap, void *addr, long_t sz, int prot, |
| 627 | int flags, int fd, unsigned off) { |
| 628 | SCOPED_TSAN_INTERCEPTOR(mmap, addr, sz, prot, flags, fd, off); |
| 629 | if (!fix_mmap_addr(&addr, sz, flags)) |
| 630 | return MAP_FAILED; |
| 631 | void *res = REAL(mmap)(addr, sz, prot, flags, fd, off); |
| 632 | if (res != MAP_FAILED) { |
| 633 | MemoryResetRange(thr, pc, (uptr)res, sz); |
| 634 | } |
| 635 | return res; |
| 636 | } |
| 637 | |
| 638 | TSAN_INTERCEPTOR(void*, mmap64, void *addr, long_t sz, int prot, |
| 639 | int flags, int fd, u64 off) { |
| 640 | SCOPED_TSAN_INTERCEPTOR(mmap64, addr, sz, prot, flags, fd, off); |
| 641 | if (!fix_mmap_addr(&addr, sz, flags)) |
| 642 | return MAP_FAILED; |
| 643 | void *res = REAL(mmap64)(addr, sz, prot, flags, fd, off); |
| 644 | if (res != MAP_FAILED) { |
| 645 | MemoryResetRange(thr, pc, (uptr)res, sz); |
| 646 | } |
| 647 | return res; |
| 648 | } |
| 649 | |
| 650 | TSAN_INTERCEPTOR(int, munmap, void *addr, long_t sz) { |
| 651 | SCOPED_TSAN_INTERCEPTOR(munmap, addr, sz); |
| 652 | int res = REAL(munmap)(addr, sz); |
| 653 | return res; |
| 654 | } |
| 655 | |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 656 | TSAN_INTERCEPTOR(void*, memalign, uptr align, uptr sz) { |
| 657 | SCOPED_TSAN_INTERCEPTOR(memalign, align, sz); |
Dmitry Vyukov | 2e87051 | 2012-08-15 15:35:15 +0000 | [diff] [blame] | 658 | return user_alloc(thr, pc, sz, align); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 659 | } |
| 660 | |
| 661 | TSAN_INTERCEPTOR(void*, valloc, uptr sz) { |
| 662 | SCOPED_TSAN_INTERCEPTOR(valloc, sz); |
Kostya Serebryany | f67ec2b | 2012-11-23 15:38:49 +0000 | [diff] [blame] | 663 | return user_alloc(thr, pc, sz, GetPageSizeCached()); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 664 | } |
| 665 | |
| 666 | TSAN_INTERCEPTOR(void*, pvalloc, uptr sz) { |
| 667 | SCOPED_TSAN_INTERCEPTOR(pvalloc, sz); |
Kostya Serebryany | f67ec2b | 2012-11-23 15:38:49 +0000 | [diff] [blame] | 668 | sz = RoundUp(sz, GetPageSizeCached()); |
| 669 | return user_alloc(thr, pc, sz, GetPageSizeCached()); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 670 | } |
| 671 | |
| 672 | TSAN_INTERCEPTOR(int, posix_memalign, void **memptr, uptr align, uptr sz) { |
| 673 | SCOPED_TSAN_INTERCEPTOR(posix_memalign, memptr, align, sz); |
Dmitry Vyukov | 2e87051 | 2012-08-15 15:35:15 +0000 | [diff] [blame] | 674 | *memptr = user_alloc(thr, pc, sz, align); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 675 | return 0; |
| 676 | } |
| 677 | |
| 678 | // Used in thread-safe function static initialization. |
Dmitry Vyukov | 1ffeded | 2012-12-05 12:10:22 +0000 | [diff] [blame] | 679 | extern "C" int INTERFACE_ATTRIBUTE __cxa_guard_acquire(atomic_uint32_t *g) { |
| 680 | SCOPED_INTERCEPTOR_RAW(__cxa_guard_acquire, g); |
| 681 | for (;;) { |
| 682 | u32 cmp = atomic_load(g, memory_order_acquire); |
| 683 | if (cmp == 0) { |
| 684 | if (atomic_compare_exchange_strong(g, &cmp, 1<<16, memory_order_relaxed)) |
| 685 | return 1; |
| 686 | } else if (cmp == 1) { |
| 687 | Acquire(thr, pc, (uptr)g); |
| 688 | return 0; |
| 689 | } else { |
| 690 | internal_sched_yield(); |
| 691 | } |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 692 | } |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 693 | } |
| 694 | |
Dmitry Vyukov | 1ffeded | 2012-12-05 12:10:22 +0000 | [diff] [blame] | 695 | extern "C" void INTERFACE_ATTRIBUTE __cxa_guard_release(atomic_uint32_t *g) { |
| 696 | SCOPED_INTERCEPTOR_RAW(__cxa_guard_release, g); |
| 697 | Release(thr, pc, (uptr)g); |
| 698 | atomic_store(g, 1, memory_order_release); |
| 699 | } |
| 700 | |
| 701 | extern "C" void INTERFACE_ATTRIBUTE __cxa_guard_abort(atomic_uint32_t *g) { |
| 702 | SCOPED_INTERCEPTOR_RAW(__cxa_guard_abort, g); |
| 703 | atomic_store(g, 0, memory_order_relaxed); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 704 | } |
| 705 | |
| 706 | static void thread_finalize(void *v) { |
| 707 | uptr iter = (uptr)v; |
| 708 | if (iter > 1) { |
| 709 | if (pthread_setspecific(g_thread_finalize_key, (void*)(iter - 1))) { |
Alexey Samsonov | b1fe302 | 2012-11-02 12:17:51 +0000 | [diff] [blame] | 710 | Printf("ThreadSanitizer: failed to set thread key\n"); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 711 | Die(); |
| 712 | } |
| 713 | return; |
| 714 | } |
| 715 | { |
| 716 | ScopedInRtl in_rtl; |
Dmitry Vyukov | e963666 | 2012-06-27 16:05:06 +0000 | [diff] [blame] | 717 | ThreadState *thr = cur_thread(); |
Dmitry Vyukov | e963666 | 2012-06-27 16:05:06 +0000 | [diff] [blame] | 718 | ThreadFinish(thr); |
Dmitry Vyukov | 1fc03d5 | 2012-06-28 18:07:46 +0000 | [diff] [blame] | 719 | SignalContext *sctx = thr->signal_ctx; |
| 720 | if (sctx) { |
| 721 | thr->signal_ctx = 0; |
Dmitry Vyukov | e963666 | 2012-06-27 16:05:06 +0000 | [diff] [blame] | 722 | internal_free(sctx); |
Dmitry Vyukov | 1fc03d5 | 2012-06-28 18:07:46 +0000 | [diff] [blame] | 723 | } |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 724 | } |
| 725 | } |
| 726 | |
| 727 | |
| 728 | struct ThreadParam { |
| 729 | void* (*callback)(void *arg); |
| 730 | void *param; |
| 731 | atomic_uintptr_t tid; |
| 732 | }; |
| 733 | |
| 734 | extern "C" void *__tsan_thread_start_func(void *arg) { |
| 735 | ThreadParam *p = (ThreadParam*)arg; |
| 736 | void* (*callback)(void *arg) = p->callback; |
| 737 | void *param = p->param; |
| 738 | int tid = 0; |
| 739 | { |
| 740 | ThreadState *thr = cur_thread(); |
| 741 | ScopedInRtl in_rtl; |
| 742 | if (pthread_setspecific(g_thread_finalize_key, (void*)4)) { |
Alexey Samsonov | b1fe302 | 2012-11-02 12:17:51 +0000 | [diff] [blame] | 743 | Printf("ThreadSanitizer: failed to set thread key\n"); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 744 | Die(); |
| 745 | } |
| 746 | while ((tid = atomic_load(&p->tid, memory_order_acquire)) == 0) |
| 747 | pthread_yield(); |
| 748 | atomic_store(&p->tid, 0, memory_order_release); |
Dmitry Vyukov | 7dccf3f | 2012-10-02 11:52:05 +0000 | [diff] [blame] | 749 | ThreadStart(thr, tid, GetTid()); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 750 | CHECK_EQ(thr->in_rtl, 1); |
| 751 | } |
| 752 | void *res = callback(param); |
| 753 | // Prevent the callback from being tail called, |
| 754 | // it mixes up stack traces. |
| 755 | volatile int foo = 42; |
| 756 | foo++; |
| 757 | return res; |
| 758 | } |
| 759 | |
| 760 | TSAN_INTERCEPTOR(int, pthread_create, |
| 761 | void *th, void *attr, void *(*callback)(void*), void * param) { |
| 762 | SCOPED_TSAN_INTERCEPTOR(pthread_create, th, attr, callback, param); |
| 763 | pthread_attr_t myattr; |
| 764 | if (attr == 0) { |
| 765 | pthread_attr_init(&myattr); |
| 766 | attr = &myattr; |
| 767 | } |
| 768 | int detached = 0; |
| 769 | pthread_attr_getdetachstate(attr, &detached); |
| 770 | uptr stacksize = 0; |
| 771 | pthread_attr_getstacksize(attr, &stacksize); |
| 772 | // We place the huge ThreadState object into TLS, account for that. |
| 773 | const uptr minstacksize = GetTlsSize() + 128*1024; |
| 774 | if (stacksize < minstacksize) { |
Alexey Samsonov | e954101 | 2012-06-06 13:11:29 +0000 | [diff] [blame] | 775 | DPrintf("ThreadSanitizer: stacksize %zu->%zu\n", stacksize, minstacksize); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 776 | pthread_attr_setstacksize(attr, minstacksize); |
| 777 | } |
| 778 | ThreadParam p; |
| 779 | p.callback = callback; |
| 780 | p.param = param; |
| 781 | atomic_store(&p.tid, 0, memory_order_relaxed); |
| 782 | int res = REAL(pthread_create)(th, attr, __tsan_thread_start_func, &p); |
| 783 | if (res == 0) { |
Dmitry Vyukov | 64310b2 | 2012-08-16 13:26:54 +0000 | [diff] [blame] | 784 | int tid = ThreadCreate(thr, pc, *(uptr*)th, detached); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 785 | CHECK_NE(tid, 0); |
| 786 | atomic_store(&p.tid, tid, memory_order_release); |
| 787 | while (atomic_load(&p.tid, memory_order_acquire) != 0) |
| 788 | pthread_yield(); |
| 789 | } |
| 790 | if (attr == &myattr) |
| 791 | pthread_attr_destroy(&myattr); |
| 792 | return res; |
| 793 | } |
| 794 | |
| 795 | TSAN_INTERCEPTOR(int, pthread_join, void *th, void **ret) { |
| 796 | SCOPED_TSAN_INTERCEPTOR(pthread_join, th, ret); |
| 797 | int tid = ThreadTid(thr, pc, (uptr)th); |
Dmitry Vyukov | ee8ee24 | 2012-11-15 17:40:49 +0000 | [diff] [blame] | 798 | int res = BLOCK_REAL(pthread_join)(th, ret); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 799 | if (res == 0) { |
Dmitry Vyukov | 64310b2 | 2012-08-16 13:26:54 +0000 | [diff] [blame] | 800 | ThreadJoin(thr, pc, tid); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 801 | } |
| 802 | return res; |
| 803 | } |
| 804 | |
| 805 | TSAN_INTERCEPTOR(int, pthread_detach, void *th) { |
| 806 | SCOPED_TSAN_INTERCEPTOR(pthread_detach, th); |
| 807 | int tid = ThreadTid(thr, pc, (uptr)th); |
| 808 | int res = REAL(pthread_detach)(th); |
| 809 | if (res == 0) { |
Dmitry Vyukov | 64310b2 | 2012-08-16 13:26:54 +0000 | [diff] [blame] | 810 | ThreadDetach(thr, pc, tid); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 811 | } |
| 812 | return res; |
| 813 | } |
| 814 | |
| 815 | TSAN_INTERCEPTOR(int, pthread_mutex_init, void *m, void *a) { |
| 816 | SCOPED_TSAN_INTERCEPTOR(pthread_mutex_init, m, a); |
| 817 | int res = REAL(pthread_mutex_init)(m, a); |
| 818 | if (res == 0) { |
| 819 | bool recursive = false; |
| 820 | if (a) { |
| 821 | int type = 0; |
| 822 | if (pthread_mutexattr_gettype(a, &type) == 0) |
| 823 | recursive = (type == PTHREAD_MUTEX_RECURSIVE |
| 824 | || type == PTHREAD_MUTEX_RECURSIVE_NP); |
| 825 | } |
Dmitry Vyukov | c20e9ba | 2012-08-16 13:29:41 +0000 | [diff] [blame] | 826 | MutexCreate(thr, pc, (uptr)m, false, recursive, false); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 827 | } |
| 828 | return res; |
| 829 | } |
| 830 | |
| 831 | TSAN_INTERCEPTOR(int, pthread_mutex_destroy, void *m) { |
| 832 | SCOPED_TSAN_INTERCEPTOR(pthread_mutex_destroy, m); |
| 833 | int res = REAL(pthread_mutex_destroy)(m); |
| 834 | if (res == 0 || res == EBUSY) { |
Dmitry Vyukov | 64310b2 | 2012-08-16 13:26:54 +0000 | [diff] [blame] | 835 | MutexDestroy(thr, pc, (uptr)m); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 836 | } |
| 837 | return res; |
| 838 | } |
| 839 | |
| 840 | TSAN_INTERCEPTOR(int, pthread_mutex_lock, void *m) { |
| 841 | SCOPED_TSAN_INTERCEPTOR(pthread_mutex_lock, m); |
| 842 | int res = REAL(pthread_mutex_lock)(m); |
| 843 | if (res == 0) { |
Dmitry Vyukov | 64310b2 | 2012-08-16 13:26:54 +0000 | [diff] [blame] | 844 | MutexLock(thr, pc, (uptr)m); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 845 | } |
| 846 | return res; |
| 847 | } |
| 848 | |
| 849 | TSAN_INTERCEPTOR(int, pthread_mutex_trylock, void *m) { |
| 850 | SCOPED_TSAN_INTERCEPTOR(pthread_mutex_trylock, m); |
| 851 | int res = REAL(pthread_mutex_trylock)(m); |
| 852 | if (res == 0) { |
Dmitry Vyukov | 64310b2 | 2012-08-16 13:26:54 +0000 | [diff] [blame] | 853 | MutexLock(thr, pc, (uptr)m); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 854 | } |
| 855 | return res; |
| 856 | } |
| 857 | |
| 858 | TSAN_INTERCEPTOR(int, pthread_mutex_timedlock, void *m, void *abstime) { |
| 859 | SCOPED_TSAN_INTERCEPTOR(pthread_mutex_timedlock, m, abstime); |
| 860 | int res = REAL(pthread_mutex_timedlock)(m, abstime); |
| 861 | if (res == 0) { |
Dmitry Vyukov | 64310b2 | 2012-08-16 13:26:54 +0000 | [diff] [blame] | 862 | MutexLock(thr, pc, (uptr)m); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 863 | } |
| 864 | return res; |
| 865 | } |
| 866 | |
| 867 | TSAN_INTERCEPTOR(int, pthread_mutex_unlock, void *m) { |
| 868 | SCOPED_TSAN_INTERCEPTOR(pthread_mutex_unlock, m); |
Dmitry Vyukov | 64310b2 | 2012-08-16 13:26:54 +0000 | [diff] [blame] | 869 | MutexUnlock(thr, pc, (uptr)m); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 870 | int res = REAL(pthread_mutex_unlock)(m); |
| 871 | return res; |
| 872 | } |
| 873 | |
| 874 | TSAN_INTERCEPTOR(int, pthread_spin_init, void *m, int pshared) { |
| 875 | SCOPED_TSAN_INTERCEPTOR(pthread_spin_init, m, pshared); |
| 876 | int res = REAL(pthread_spin_init)(m, pshared); |
| 877 | if (res == 0) { |
Dmitry Vyukov | c20e9ba | 2012-08-16 13:29:41 +0000 | [diff] [blame] | 878 | MutexCreate(thr, pc, (uptr)m, false, false, false); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 879 | } |
| 880 | return res; |
| 881 | } |
| 882 | |
| 883 | TSAN_INTERCEPTOR(int, pthread_spin_destroy, void *m) { |
| 884 | SCOPED_TSAN_INTERCEPTOR(pthread_spin_destroy, m); |
| 885 | int res = REAL(pthread_spin_destroy)(m); |
| 886 | if (res == 0) { |
Dmitry Vyukov | 64310b2 | 2012-08-16 13:26:54 +0000 | [diff] [blame] | 887 | MutexDestroy(thr, pc, (uptr)m); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 888 | } |
| 889 | return res; |
| 890 | } |
| 891 | |
| 892 | TSAN_INTERCEPTOR(int, pthread_spin_lock, void *m) { |
| 893 | SCOPED_TSAN_INTERCEPTOR(pthread_spin_lock, m); |
| 894 | int res = REAL(pthread_spin_lock)(m); |
| 895 | if (res == 0) { |
Dmitry Vyukov | 64310b2 | 2012-08-16 13:26:54 +0000 | [diff] [blame] | 896 | MutexLock(thr, pc, (uptr)m); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 897 | } |
| 898 | return res; |
| 899 | } |
| 900 | |
| 901 | TSAN_INTERCEPTOR(int, pthread_spin_trylock, void *m) { |
| 902 | SCOPED_TSAN_INTERCEPTOR(pthread_spin_trylock, m); |
| 903 | int res = REAL(pthread_spin_trylock)(m); |
| 904 | if (res == 0) { |
Dmitry Vyukov | 64310b2 | 2012-08-16 13:26:54 +0000 | [diff] [blame] | 905 | MutexLock(thr, pc, (uptr)m); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 906 | } |
| 907 | return res; |
| 908 | } |
| 909 | |
| 910 | TSAN_INTERCEPTOR(int, pthread_spin_unlock, void *m) { |
| 911 | SCOPED_TSAN_INTERCEPTOR(pthread_spin_unlock, m); |
Dmitry Vyukov | 64310b2 | 2012-08-16 13:26:54 +0000 | [diff] [blame] | 912 | MutexUnlock(thr, pc, (uptr)m); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 913 | int res = REAL(pthread_spin_unlock)(m); |
| 914 | return res; |
| 915 | } |
| 916 | |
| 917 | TSAN_INTERCEPTOR(int, pthread_rwlock_init, void *m, void *a) { |
| 918 | SCOPED_TSAN_INTERCEPTOR(pthread_rwlock_init, m, a); |
| 919 | int res = REAL(pthread_rwlock_init)(m, a); |
| 920 | if (res == 0) { |
Dmitry Vyukov | c20e9ba | 2012-08-16 13:29:41 +0000 | [diff] [blame] | 921 | MutexCreate(thr, pc, (uptr)m, true, false, false); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 922 | } |
| 923 | return res; |
| 924 | } |
| 925 | |
| 926 | TSAN_INTERCEPTOR(int, pthread_rwlock_destroy, void *m) { |
| 927 | SCOPED_TSAN_INTERCEPTOR(pthread_rwlock_destroy, m); |
| 928 | int res = REAL(pthread_rwlock_destroy)(m); |
| 929 | if (res == 0) { |
Dmitry Vyukov | 64310b2 | 2012-08-16 13:26:54 +0000 | [diff] [blame] | 930 | MutexDestroy(thr, pc, (uptr)m); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 931 | } |
| 932 | return res; |
| 933 | } |
| 934 | |
| 935 | TSAN_INTERCEPTOR(int, pthread_rwlock_rdlock, void *m) { |
| 936 | SCOPED_TSAN_INTERCEPTOR(pthread_rwlock_rdlock, m); |
| 937 | int res = REAL(pthread_rwlock_rdlock)(m); |
| 938 | if (res == 0) { |
Dmitry Vyukov | 64310b2 | 2012-08-16 13:26:54 +0000 | [diff] [blame] | 939 | MutexReadLock(thr, pc, (uptr)m); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 940 | } |
| 941 | return res; |
| 942 | } |
| 943 | |
| 944 | TSAN_INTERCEPTOR(int, pthread_rwlock_tryrdlock, void *m) { |
| 945 | SCOPED_TSAN_INTERCEPTOR(pthread_rwlock_tryrdlock, m); |
| 946 | int res = REAL(pthread_rwlock_tryrdlock)(m); |
| 947 | if (res == 0) { |
Dmitry Vyukov | 64310b2 | 2012-08-16 13:26:54 +0000 | [diff] [blame] | 948 | MutexReadLock(thr, pc, (uptr)m); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 949 | } |
| 950 | return res; |
| 951 | } |
| 952 | |
| 953 | TSAN_INTERCEPTOR(int, pthread_rwlock_timedrdlock, void *m, void *abstime) { |
| 954 | SCOPED_TSAN_INTERCEPTOR(pthread_rwlock_timedrdlock, m, abstime); |
| 955 | int res = REAL(pthread_rwlock_timedrdlock)(m, abstime); |
| 956 | if (res == 0) { |
Dmitry Vyukov | 64310b2 | 2012-08-16 13:26:54 +0000 | [diff] [blame] | 957 | MutexReadLock(thr, pc, (uptr)m); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 958 | } |
| 959 | return res; |
| 960 | } |
| 961 | |
| 962 | TSAN_INTERCEPTOR(int, pthread_rwlock_wrlock, void *m) { |
| 963 | SCOPED_TSAN_INTERCEPTOR(pthread_rwlock_wrlock, m); |
| 964 | int res = REAL(pthread_rwlock_wrlock)(m); |
| 965 | if (res == 0) { |
Dmitry Vyukov | 64310b2 | 2012-08-16 13:26:54 +0000 | [diff] [blame] | 966 | MutexLock(thr, pc, (uptr)m); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 967 | } |
| 968 | return res; |
| 969 | } |
| 970 | |
| 971 | TSAN_INTERCEPTOR(int, pthread_rwlock_trywrlock, void *m) { |
| 972 | SCOPED_TSAN_INTERCEPTOR(pthread_rwlock_trywrlock, m); |
| 973 | int res = REAL(pthread_rwlock_trywrlock)(m); |
| 974 | if (res == 0) { |
Dmitry Vyukov | 64310b2 | 2012-08-16 13:26:54 +0000 | [diff] [blame] | 975 | MutexLock(thr, pc, (uptr)m); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 976 | } |
| 977 | return res; |
| 978 | } |
| 979 | |
| 980 | TSAN_INTERCEPTOR(int, pthread_rwlock_timedwrlock, void *m, void *abstime) { |
| 981 | SCOPED_TSAN_INTERCEPTOR(pthread_rwlock_timedwrlock, m, abstime); |
| 982 | int res = REAL(pthread_rwlock_timedwrlock)(m, abstime); |
| 983 | if (res == 0) { |
Dmitry Vyukov | 64310b2 | 2012-08-16 13:26:54 +0000 | [diff] [blame] | 984 | MutexLock(thr, pc, (uptr)m); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 985 | } |
| 986 | return res; |
| 987 | } |
| 988 | |
| 989 | TSAN_INTERCEPTOR(int, pthread_rwlock_unlock, void *m) { |
| 990 | SCOPED_TSAN_INTERCEPTOR(pthread_rwlock_unlock, m); |
Dmitry Vyukov | 64310b2 | 2012-08-16 13:26:54 +0000 | [diff] [blame] | 991 | MutexReadOrWriteUnlock(thr, pc, (uptr)m); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 992 | int res = REAL(pthread_rwlock_unlock)(m); |
| 993 | return res; |
| 994 | } |
| 995 | |
| 996 | TSAN_INTERCEPTOR(int, pthread_cond_init, void *c, void *a) { |
| 997 | SCOPED_TSAN_INTERCEPTOR(pthread_cond_init, c, a); |
| 998 | int res = REAL(pthread_cond_init)(c, a); |
| 999 | return res; |
| 1000 | } |
| 1001 | |
| 1002 | TSAN_INTERCEPTOR(int, pthread_cond_destroy, void *c) { |
| 1003 | SCOPED_TSAN_INTERCEPTOR(pthread_cond_destroy, c); |
| 1004 | int res = REAL(pthread_cond_destroy)(c); |
| 1005 | return res; |
| 1006 | } |
| 1007 | |
| 1008 | TSAN_INTERCEPTOR(int, pthread_cond_signal, void *c) { |
| 1009 | SCOPED_TSAN_INTERCEPTOR(pthread_cond_signal, c); |
| 1010 | int res = REAL(pthread_cond_signal)(c); |
| 1011 | return res; |
| 1012 | } |
| 1013 | |
| 1014 | TSAN_INTERCEPTOR(int, pthread_cond_broadcast, void *c) { |
| 1015 | SCOPED_TSAN_INTERCEPTOR(pthread_cond_broadcast, c); |
| 1016 | int res = REAL(pthread_cond_broadcast)(c); |
| 1017 | return res; |
| 1018 | } |
| 1019 | |
| 1020 | TSAN_INTERCEPTOR(int, pthread_cond_wait, void *c, void *m) { |
| 1021 | SCOPED_TSAN_INTERCEPTOR(pthread_cond_wait, c, m); |
Dmitry Vyukov | 64310b2 | 2012-08-16 13:26:54 +0000 | [diff] [blame] | 1022 | MutexUnlock(thr, pc, (uptr)m); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1023 | int res = REAL(pthread_cond_wait)(c, m); |
Dmitry Vyukov | 64310b2 | 2012-08-16 13:26:54 +0000 | [diff] [blame] | 1024 | MutexLock(thr, pc, (uptr)m); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1025 | return res; |
| 1026 | } |
| 1027 | |
| 1028 | TSAN_INTERCEPTOR(int, pthread_cond_timedwait, void *c, void *m, void *abstime) { |
| 1029 | SCOPED_TSAN_INTERCEPTOR(pthread_cond_timedwait, c, m, abstime); |
Dmitry Vyukov | 64310b2 | 2012-08-16 13:26:54 +0000 | [diff] [blame] | 1030 | MutexUnlock(thr, pc, (uptr)m); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1031 | int res = REAL(pthread_cond_timedwait)(c, m, abstime); |
Dmitry Vyukov | 64310b2 | 2012-08-16 13:26:54 +0000 | [diff] [blame] | 1032 | MutexLock(thr, pc, (uptr)m); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1033 | return res; |
| 1034 | } |
| 1035 | |
| 1036 | TSAN_INTERCEPTOR(int, pthread_barrier_init, void *b, void *a, unsigned count) { |
| 1037 | SCOPED_TSAN_INTERCEPTOR(pthread_barrier_init, b, a, count); |
| 1038 | MemoryWrite1Byte(thr, pc, (uptr)b); |
| 1039 | int res = REAL(pthread_barrier_init)(b, a, count); |
| 1040 | return res; |
| 1041 | } |
| 1042 | |
| 1043 | TSAN_INTERCEPTOR(int, pthread_barrier_destroy, void *b) { |
| 1044 | SCOPED_TSAN_INTERCEPTOR(pthread_barrier_destroy, b); |
| 1045 | MemoryWrite1Byte(thr, pc, (uptr)b); |
| 1046 | int res = REAL(pthread_barrier_destroy)(b); |
| 1047 | return res; |
| 1048 | } |
| 1049 | |
| 1050 | TSAN_INTERCEPTOR(int, pthread_barrier_wait, void *b) { |
| 1051 | SCOPED_TSAN_INTERCEPTOR(pthread_barrier_wait, b); |
Dmitry Vyukov | 64310b2 | 2012-08-16 13:26:54 +0000 | [diff] [blame] | 1052 | Release(thr, pc, (uptr)b); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1053 | MemoryRead1Byte(thr, pc, (uptr)b); |
| 1054 | int res = REAL(pthread_barrier_wait)(b); |
| 1055 | MemoryRead1Byte(thr, pc, (uptr)b); |
| 1056 | if (res == 0 || res == PTHREAD_BARRIER_SERIAL_THREAD) { |
Dmitry Vyukov | 64310b2 | 2012-08-16 13:26:54 +0000 | [diff] [blame] | 1057 | Acquire(thr, pc, (uptr)b); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1058 | } |
| 1059 | return res; |
| 1060 | } |
| 1061 | |
| 1062 | TSAN_INTERCEPTOR(int, pthread_once, void *o, void (*f)()) { |
| 1063 | SCOPED_TSAN_INTERCEPTOR(pthread_once, o, f); |
| 1064 | if (o == 0 || f == 0) |
| 1065 | return EINVAL; |
| 1066 | atomic_uint32_t *a = static_cast<atomic_uint32_t*>(o); |
| 1067 | u32 v = atomic_load(a, memory_order_acquire); |
| 1068 | if (v == 0 && atomic_compare_exchange_strong(a, &v, 1, |
| 1069 | memory_order_relaxed)) { |
| 1070 | const int old_in_rtl = thr->in_rtl; |
| 1071 | thr->in_rtl = 0; |
| 1072 | (*f)(); |
| 1073 | CHECK_EQ(thr->in_rtl, 0); |
| 1074 | thr->in_rtl = old_in_rtl; |
Dmitry Vyukov | 64310b2 | 2012-08-16 13:26:54 +0000 | [diff] [blame] | 1075 | Release(thr, pc, (uptr)o); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1076 | atomic_store(a, 2, memory_order_release); |
| 1077 | } else { |
| 1078 | while (v != 2) { |
| 1079 | pthread_yield(); |
| 1080 | v = atomic_load(a, memory_order_acquire); |
| 1081 | } |
Dmitry Vyukov | 64310b2 | 2012-08-16 13:26:54 +0000 | [diff] [blame] | 1082 | Acquire(thr, pc, (uptr)o); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1083 | } |
| 1084 | return 0; |
| 1085 | } |
| 1086 | |
| 1087 | TSAN_INTERCEPTOR(int, sem_init, void *s, int pshared, unsigned value) { |
| 1088 | SCOPED_TSAN_INTERCEPTOR(sem_init, s, pshared, value); |
| 1089 | int res = REAL(sem_init)(s, pshared, value); |
| 1090 | return res; |
| 1091 | } |
| 1092 | |
| 1093 | TSAN_INTERCEPTOR(int, sem_destroy, void *s) { |
| 1094 | SCOPED_TSAN_INTERCEPTOR(sem_destroy, s); |
| 1095 | int res = REAL(sem_destroy)(s); |
| 1096 | return res; |
| 1097 | } |
| 1098 | |
| 1099 | TSAN_INTERCEPTOR(int, sem_wait, void *s) { |
| 1100 | SCOPED_TSAN_INTERCEPTOR(sem_wait, s); |
Dmitry Vyukov | ee8ee24 | 2012-11-15 17:40:49 +0000 | [diff] [blame] | 1101 | int res = BLOCK_REAL(sem_wait)(s); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1102 | if (res == 0) { |
Dmitry Vyukov | 64310b2 | 2012-08-16 13:26:54 +0000 | [diff] [blame] | 1103 | Acquire(thr, pc, (uptr)s); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1104 | } |
| 1105 | return res; |
| 1106 | } |
| 1107 | |
| 1108 | TSAN_INTERCEPTOR(int, sem_trywait, void *s) { |
| 1109 | SCOPED_TSAN_INTERCEPTOR(sem_trywait, s); |
Dmitry Vyukov | ee8ee24 | 2012-11-15 17:40:49 +0000 | [diff] [blame] | 1110 | int res = BLOCK_REAL(sem_trywait)(s); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1111 | if (res == 0) { |
Dmitry Vyukov | 64310b2 | 2012-08-16 13:26:54 +0000 | [diff] [blame] | 1112 | Acquire(thr, pc, (uptr)s); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1113 | } |
| 1114 | return res; |
| 1115 | } |
| 1116 | |
| 1117 | TSAN_INTERCEPTOR(int, sem_timedwait, void *s, void *abstime) { |
| 1118 | SCOPED_TSAN_INTERCEPTOR(sem_timedwait, s, abstime); |
Dmitry Vyukov | ee8ee24 | 2012-11-15 17:40:49 +0000 | [diff] [blame] | 1119 | int res = BLOCK_REAL(sem_timedwait)(s, abstime); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1120 | if (res == 0) { |
Dmitry Vyukov | 64310b2 | 2012-08-16 13:26:54 +0000 | [diff] [blame] | 1121 | Acquire(thr, pc, (uptr)s); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1122 | } |
| 1123 | return res; |
| 1124 | } |
| 1125 | |
| 1126 | TSAN_INTERCEPTOR(int, sem_post, void *s) { |
| 1127 | SCOPED_TSAN_INTERCEPTOR(sem_post, s); |
Dmitry Vyukov | 64310b2 | 2012-08-16 13:26:54 +0000 | [diff] [blame] | 1128 | Release(thr, pc, (uptr)s); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1129 | int res = REAL(sem_post)(s); |
| 1130 | return res; |
| 1131 | } |
| 1132 | |
| 1133 | TSAN_INTERCEPTOR(int, sem_getvalue, void *s, int *sval) { |
| 1134 | SCOPED_TSAN_INTERCEPTOR(sem_getvalue, s, sval); |
| 1135 | int res = REAL(sem_getvalue)(s, sval); |
| 1136 | if (res == 0) { |
Dmitry Vyukov | 64310b2 | 2012-08-16 13:26:54 +0000 | [diff] [blame] | 1137 | Acquire(thr, pc, (uptr)s); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1138 | } |
| 1139 | return res; |
| 1140 | } |
| 1141 | |
| 1142 | TSAN_INTERCEPTOR(long_t, read, int fd, void *buf, long_t sz) { |
| 1143 | SCOPED_TSAN_INTERCEPTOR(read, fd, buf, sz); |
| 1144 | int res = REAL(read)(fd, buf, sz); |
| 1145 | if (res >= 0) { |
Dmitry Vyukov | 3f4e6d9 | 2012-12-07 14:40:10 +0000 | [diff] [blame^] | 1146 | FdAcquire(thr, pc, fd); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1147 | } |
| 1148 | return res; |
| 1149 | } |
| 1150 | |
| 1151 | TSAN_INTERCEPTOR(long_t, pread, int fd, void *buf, long_t sz, unsigned off) { |
| 1152 | SCOPED_TSAN_INTERCEPTOR(pread, fd, buf, sz, off); |
| 1153 | int res = REAL(pread)(fd, buf, sz, off); |
| 1154 | if (res >= 0) { |
Dmitry Vyukov | 3f4e6d9 | 2012-12-07 14:40:10 +0000 | [diff] [blame^] | 1155 | FdAcquire(thr, pc, fd); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1156 | } |
| 1157 | return res; |
| 1158 | } |
| 1159 | |
| 1160 | TSAN_INTERCEPTOR(long_t, pread64, int fd, void *buf, long_t sz, u64 off) { |
| 1161 | SCOPED_TSAN_INTERCEPTOR(pread64, fd, buf, sz, off); |
| 1162 | int res = REAL(pread64)(fd, buf, sz, off); |
| 1163 | if (res >= 0) { |
Dmitry Vyukov | 3f4e6d9 | 2012-12-07 14:40:10 +0000 | [diff] [blame^] | 1164 | FdAcquire(thr, pc, fd); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1165 | } |
| 1166 | return res; |
| 1167 | } |
| 1168 | |
| 1169 | TSAN_INTERCEPTOR(long_t, readv, int fd, void *vec, int cnt) { |
| 1170 | SCOPED_TSAN_INTERCEPTOR(readv, fd, vec, cnt); |
| 1171 | int res = REAL(readv)(fd, vec, cnt); |
| 1172 | if (res >= 0) { |
Dmitry Vyukov | 3f4e6d9 | 2012-12-07 14:40:10 +0000 | [diff] [blame^] | 1173 | FdAcquire(thr, pc, fd); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1174 | } |
| 1175 | return res; |
| 1176 | } |
| 1177 | |
| 1178 | TSAN_INTERCEPTOR(long_t, preadv64, int fd, void *vec, int cnt, u64 off) { |
| 1179 | SCOPED_TSAN_INTERCEPTOR(preadv64, fd, vec, cnt, off); |
| 1180 | int res = REAL(preadv64)(fd, vec, cnt, off); |
| 1181 | if (res >= 0) { |
Dmitry Vyukov | 3f4e6d9 | 2012-12-07 14:40:10 +0000 | [diff] [blame^] | 1182 | FdAcquire(thr, pc, fd); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1183 | } |
| 1184 | return res; |
| 1185 | } |
| 1186 | |
| 1187 | TSAN_INTERCEPTOR(long_t, write, int fd, void *buf, long_t sz) { |
| 1188 | SCOPED_TSAN_INTERCEPTOR(write, fd, buf, sz); |
Dmitry Vyukov | 3f4e6d9 | 2012-12-07 14:40:10 +0000 | [diff] [blame^] | 1189 | FdRelease(thr, pc, fd); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1190 | int res = REAL(write)(fd, buf, sz); |
| 1191 | return res; |
| 1192 | } |
| 1193 | |
| 1194 | TSAN_INTERCEPTOR(long_t, pwrite, int fd, void *buf, long_t sz, unsigned off) { |
| 1195 | SCOPED_TSAN_INTERCEPTOR(pwrite, fd, buf, sz, off); |
Dmitry Vyukov | 3f4e6d9 | 2012-12-07 14:40:10 +0000 | [diff] [blame^] | 1196 | FdRelease(thr, pc, fd); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1197 | int res = REAL(pwrite)(fd, buf, sz, off); |
| 1198 | return res; |
| 1199 | } |
| 1200 | |
Dmitry Vyukov | de78258 | 2012-08-12 11:08:30 +0000 | [diff] [blame] | 1201 | TSAN_INTERCEPTOR(long_t, pwrite64, int fd, void *buf, long_t sz, u64 off) { |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1202 | SCOPED_TSAN_INTERCEPTOR(pwrite64, fd, buf, sz, off); |
Dmitry Vyukov | 3f4e6d9 | 2012-12-07 14:40:10 +0000 | [diff] [blame^] | 1203 | FdRelease(thr, pc, fd); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1204 | int res = REAL(pwrite64)(fd, buf, sz, off); |
| 1205 | return res; |
| 1206 | } |
| 1207 | |
| 1208 | TSAN_INTERCEPTOR(long_t, writev, int fd, void *vec, int cnt) { |
| 1209 | SCOPED_TSAN_INTERCEPTOR(writev, fd, vec, cnt); |
Dmitry Vyukov | 3f4e6d9 | 2012-12-07 14:40:10 +0000 | [diff] [blame^] | 1210 | FdRelease(thr, pc, fd); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1211 | int res = REAL(writev)(fd, vec, cnt); |
| 1212 | return res; |
| 1213 | } |
| 1214 | |
| 1215 | TSAN_INTERCEPTOR(long_t, pwritev64, int fd, void *vec, int cnt, u64 off) { |
| 1216 | SCOPED_TSAN_INTERCEPTOR(pwritev64, fd, vec, cnt, off); |
Dmitry Vyukov | 3f4e6d9 | 2012-12-07 14:40:10 +0000 | [diff] [blame^] | 1217 | FdRelease(thr, pc, fd); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1218 | int res = REAL(pwritev64)(fd, vec, cnt, off); |
| 1219 | return res; |
| 1220 | } |
| 1221 | |
| 1222 | TSAN_INTERCEPTOR(long_t, send, int fd, void *buf, long_t len, int flags) { |
| 1223 | SCOPED_TSAN_INTERCEPTOR(send, fd, buf, len, flags); |
Dmitry Vyukov | 3f4e6d9 | 2012-12-07 14:40:10 +0000 | [diff] [blame^] | 1224 | FdRelease(thr, pc, fd); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1225 | int res = REAL(send)(fd, buf, len, flags); |
| 1226 | return res; |
| 1227 | } |
| 1228 | |
| 1229 | TSAN_INTERCEPTOR(long_t, sendmsg, int fd, void *msg, int flags) { |
| 1230 | SCOPED_TSAN_INTERCEPTOR(sendmsg, fd, msg, flags); |
Dmitry Vyukov | 3f4e6d9 | 2012-12-07 14:40:10 +0000 | [diff] [blame^] | 1231 | FdRelease(thr, pc, fd); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1232 | int res = REAL(sendmsg)(fd, msg, flags); |
| 1233 | return res; |
| 1234 | } |
| 1235 | |
| 1236 | TSAN_INTERCEPTOR(long_t, recv, int fd, void *buf, long_t len, int flags) { |
| 1237 | SCOPED_TSAN_INTERCEPTOR(recv, fd, buf, len, flags); |
| 1238 | int res = REAL(recv)(fd, buf, len, flags); |
| 1239 | if (res >= 0) { |
Dmitry Vyukov | 3f4e6d9 | 2012-12-07 14:40:10 +0000 | [diff] [blame^] | 1240 | FdAcquire(thr, pc, fd); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1241 | } |
| 1242 | return res; |
| 1243 | } |
| 1244 | |
| 1245 | TSAN_INTERCEPTOR(long_t, recvmsg, int fd, void *msg, int flags) { |
| 1246 | SCOPED_TSAN_INTERCEPTOR(recvmsg, fd, msg, flags); |
| 1247 | int res = REAL(recvmsg)(fd, msg, flags); |
| 1248 | if (res >= 0) { |
Dmitry Vyukov | 3f4e6d9 | 2012-12-07 14:40:10 +0000 | [diff] [blame^] | 1249 | FdAcquire(thr, pc, fd); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1250 | } |
| 1251 | return res; |
| 1252 | } |
| 1253 | |
| 1254 | TSAN_INTERCEPTOR(int, unlink, char *path) { |
| 1255 | SCOPED_TSAN_INTERCEPTOR(unlink, path); |
Dmitry Vyukov | 64310b2 | 2012-08-16 13:26:54 +0000 | [diff] [blame] | 1256 | Release(thr, pc, file2addr(path)); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1257 | int res = REAL(unlink)(path); |
| 1258 | return res; |
| 1259 | } |
| 1260 | |
| 1261 | TSAN_INTERCEPTOR(void*, fopen, char *path, char *mode) { |
| 1262 | SCOPED_TSAN_INTERCEPTOR(fopen, path, mode); |
| 1263 | void *res = REAL(fopen)(path, mode); |
Dmitry Vyukov | 64310b2 | 2012-08-16 13:26:54 +0000 | [diff] [blame] | 1264 | Acquire(thr, pc, file2addr(path)); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1265 | return res; |
| 1266 | } |
| 1267 | |
| 1268 | TSAN_INTERCEPTOR(uptr, fread, void *ptr, uptr size, uptr nmemb, void *f) { |
| 1269 | SCOPED_TSAN_INTERCEPTOR(fread, ptr, size, nmemb, f); |
| 1270 | MemoryAccessRange(thr, pc, (uptr)ptr, size * nmemb, true); |
| 1271 | return REAL(fread)(ptr, size, nmemb, f); |
| 1272 | } |
| 1273 | |
| 1274 | TSAN_INTERCEPTOR(uptr, fwrite, const void *p, uptr size, uptr nmemb, void *f) { |
| 1275 | SCOPED_TSAN_INTERCEPTOR(fwrite, p, size, nmemb, f); |
| 1276 | MemoryAccessRange(thr, pc, (uptr)p, size * nmemb, false); |
| 1277 | return REAL(fwrite)(p, size, nmemb, f); |
| 1278 | } |
| 1279 | |
| 1280 | TSAN_INTERCEPTOR(int, puts, const char *s) { |
| 1281 | SCOPED_TSAN_INTERCEPTOR(puts, s); |
Dmitry Vyukov | d51a1a1 | 2012-06-27 21:00:23 +0000 | [diff] [blame] | 1282 | MemoryAccessRange(thr, pc, (uptr)s, internal_strlen(s), false); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1283 | return REAL(puts)(s); |
| 1284 | } |
| 1285 | |
| 1286 | TSAN_INTERCEPTOR(int, rmdir, char *path) { |
| 1287 | SCOPED_TSAN_INTERCEPTOR(rmdir, path); |
Dmitry Vyukov | 64310b2 | 2012-08-16 13:26:54 +0000 | [diff] [blame] | 1288 | Release(thr, pc, dir2addr(path)); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1289 | int res = REAL(rmdir)(path); |
| 1290 | return res; |
| 1291 | } |
| 1292 | |
| 1293 | TSAN_INTERCEPTOR(void*, opendir, char *path) { |
| 1294 | SCOPED_TSAN_INTERCEPTOR(opendir, path); |
| 1295 | void *res = REAL(opendir)(path); |
Dmitry Vyukov | 64310b2 | 2012-08-16 13:26:54 +0000 | [diff] [blame] | 1296 | Acquire(thr, pc, dir2addr(path)); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1297 | return res; |
| 1298 | } |
| 1299 | |
| 1300 | TSAN_INTERCEPTOR(int, epoll_ctl, int epfd, int op, int fd, void *ev) { |
| 1301 | SCOPED_TSAN_INTERCEPTOR(epoll_ctl, epfd, op, fd, ev); |
| 1302 | if (op == EPOLL_CTL_ADD) { |
Dmitry Vyukov | 3f4e6d9 | 2012-12-07 14:40:10 +0000 | [diff] [blame^] | 1303 | FdRelease(thr, pc, epfd); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1304 | } |
| 1305 | int res = REAL(epoll_ctl)(epfd, op, fd, ev); |
| 1306 | return res; |
| 1307 | } |
| 1308 | |
| 1309 | TSAN_INTERCEPTOR(int, epoll_wait, int epfd, void *ev, int cnt, int timeout) { |
| 1310 | SCOPED_TSAN_INTERCEPTOR(epoll_wait, epfd, ev, cnt, timeout); |
Dmitry Vyukov | ee8ee24 | 2012-11-15 17:40:49 +0000 | [diff] [blame] | 1311 | int res = BLOCK_REAL(epoll_wait)(epfd, ev, cnt, timeout); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1312 | if (res > 0) { |
Dmitry Vyukov | 3f4e6d9 | 2012-12-07 14:40:10 +0000 | [diff] [blame^] | 1313 | FdAcquire(thr, pc, epfd); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1314 | } |
| 1315 | return res; |
| 1316 | } |
| 1317 | |
Dmitry Vyukov | ee8ee24 | 2012-11-15 17:40:49 +0000 | [diff] [blame] | 1318 | TSAN_INTERCEPTOR(int, poll, void *fds, long_t nfds, int timeout) { |
| 1319 | SCOPED_TSAN_INTERCEPTOR(poll, fds, nfds, timeout); |
| 1320 | int res = BLOCK_REAL(poll)(fds, nfds, timeout); |
| 1321 | return res; |
| 1322 | } |
| 1323 | |
Dmitry Vyukov | d91d067 | 2012-05-21 08:26:51 +0000 | [diff] [blame] | 1324 | static void ALWAYS_INLINE rtl_generic_sighandler(bool sigact, int sig, |
| 1325 | my_siginfo_t *info, void *ctx) { |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1326 | ThreadState *thr = cur_thread(); |
Dmitry Vyukov | e963666 | 2012-06-27 16:05:06 +0000 | [diff] [blame] | 1327 | SignalContext *sctx = SigCtx(thr); |
Dmitry Vyukov | d91d067 | 2012-05-21 08:26:51 +0000 | [diff] [blame] | 1328 | // Don't mess with synchronous signals. |
Dmitry Vyukov | 1fc03d5 | 2012-06-28 18:07:46 +0000 | [diff] [blame] | 1329 | if (sig == SIGSEGV || sig == SIGBUS || sig == SIGILL || |
| 1330 | sig == SIGABRT || sig == SIGFPE || sig == SIGPIPE || |
Dmitry Vyukov | ee8ee24 | 2012-11-15 17:40:49 +0000 | [diff] [blame] | 1331 | // If we are sending signal to ourselves, we must process it now. |
| 1332 | (sctx && sig == sctx->int_signal_send) || |
Dmitry Vyukov | 0bf04ea | 2012-11-21 11:12:33 +0000 | [diff] [blame] | 1333 | // If we are in blocking function, we can safely process it now |
| 1334 | // (but check if we are in a recursive interceptor, |
| 1335 | // i.e. pthread_join()->munmap()). |
Dmitry Vyukov | 80d46a2 | 2012-11-22 13:53:54 +0000 | [diff] [blame] | 1336 | (sctx && sctx->in_blocking_func == 1 && thr->in_rtl == 1)) { |
Dmitry Vyukov | d91d067 | 2012-05-21 08:26:51 +0000 | [diff] [blame] | 1337 | CHECK(thr->in_rtl == 0 || thr->in_rtl == 1); |
| 1338 | int in_rtl = thr->in_rtl; |
| 1339 | thr->in_rtl = 0; |
| 1340 | CHECK_EQ(thr->in_signal_handler, false); |
| 1341 | thr->in_signal_handler = true; |
| 1342 | if (sigact) |
| 1343 | sigactions[sig].sa_sigaction(sig, info, ctx); |
| 1344 | else |
| 1345 | sigactions[sig].sa_handler(sig); |
| 1346 | CHECK_EQ(thr->in_signal_handler, true); |
| 1347 | thr->in_signal_handler = false; |
| 1348 | thr->in_rtl = in_rtl; |
| 1349 | return; |
| 1350 | } |
| 1351 | |
Dmitry Vyukov | 1fc03d5 | 2012-06-28 18:07:46 +0000 | [diff] [blame] | 1352 | if (sctx == 0) |
| 1353 | return; |
Dmitry Vyukov | e963666 | 2012-06-27 16:05:06 +0000 | [diff] [blame] | 1354 | SignalDesc *signal = &sctx->pending_signals[sig]; |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1355 | if (signal->armed == false) { |
| 1356 | signal->armed = true; |
Dmitry Vyukov | d91d067 | 2012-05-21 08:26:51 +0000 | [diff] [blame] | 1357 | signal->sigaction = sigact; |
| 1358 | if (info) |
Dmitry Vyukov | 6e48155 | 2012-06-29 15:26:55 +0000 | [diff] [blame] | 1359 | internal_memcpy(&signal->siginfo, info, sizeof(*info)); |
Dmitry Vyukov | a5562db | 2012-06-27 17:35:35 +0000 | [diff] [blame] | 1360 | if (ctx) |
Dmitry Vyukov | 6e48155 | 2012-06-29 15:26:55 +0000 | [diff] [blame] | 1361 | internal_memcpy(&signal->ctx, ctx, sizeof(signal->ctx)); |
Dmitry Vyukov | e963666 | 2012-06-27 16:05:06 +0000 | [diff] [blame] | 1362 | sctx->pending_signal_count++; |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1363 | } |
| 1364 | } |
| 1365 | |
Dmitry Vyukov | d91d067 | 2012-05-21 08:26:51 +0000 | [diff] [blame] | 1366 | static void rtl_sighandler(int sig) { |
| 1367 | rtl_generic_sighandler(false, sig, 0, 0); |
| 1368 | } |
| 1369 | |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1370 | static void rtl_sigaction(int sig, my_siginfo_t *info, void *ctx) { |
Dmitry Vyukov | d91d067 | 2012-05-21 08:26:51 +0000 | [diff] [blame] | 1371 | rtl_generic_sighandler(true, sig, info, ctx); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1372 | } |
| 1373 | |
| 1374 | TSAN_INTERCEPTOR(int, sigaction, int sig, sigaction_t *act, sigaction_t *old) { |
| 1375 | SCOPED_TSAN_INTERCEPTOR(sigaction, sig, act, old); |
Dmitry Vyukov | d91d067 | 2012-05-21 08:26:51 +0000 | [diff] [blame] | 1376 | if (old) |
Dmitry Vyukov | 6e48155 | 2012-06-29 15:26:55 +0000 | [diff] [blame] | 1377 | internal_memcpy(old, &sigactions[sig], sizeof(*old)); |
Dmitry Vyukov | d91d067 | 2012-05-21 08:26:51 +0000 | [diff] [blame] | 1378 | if (act == 0) |
| 1379 | return 0; |
Dmitry Vyukov | 6e48155 | 2012-06-29 15:26:55 +0000 | [diff] [blame] | 1380 | internal_memcpy(&sigactions[sig], act, sizeof(*act)); |
| 1381 | sigaction_t newact; |
| 1382 | internal_memcpy(&newact, act, sizeof(newact)); |
Dmitry Vyukov | b4b9fa7 | 2012-05-29 15:51:27 +0000 | [diff] [blame] | 1383 | sigfillset(&newact.sa_mask); |
Dmitry Vyukov | d91d067 | 2012-05-21 08:26:51 +0000 | [diff] [blame] | 1384 | if (act->sa_handler != SIG_IGN && act->sa_handler != SIG_DFL) { |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1385 | if (newact.sa_flags & SA_SIGINFO) |
| 1386 | newact.sa_sigaction = rtl_sigaction; |
| 1387 | else |
| 1388 | newact.sa_handler = rtl_sighandler; |
Dmitry Vyukov | d91d067 | 2012-05-21 08:26:51 +0000 | [diff] [blame] | 1389 | } |
| 1390 | int res = REAL(sigaction)(sig, &newact, 0); |
| 1391 | return res; |
| 1392 | } |
| 1393 | |
| 1394 | TSAN_INTERCEPTOR(sighandler_t, signal, int sig, sighandler_t h) { |
Alexey Samsonov | 2135d8a | 2012-09-13 11:54:41 +0000 | [diff] [blame] | 1395 | sigaction_t act; |
Dmitry Vyukov | d91d067 | 2012-05-21 08:26:51 +0000 | [diff] [blame] | 1396 | act.sa_handler = h; |
Alexey Samsonov | 88207ab | 2012-06-15 12:24:07 +0000 | [diff] [blame] | 1397 | REAL(memset)(&act.sa_mask, -1, sizeof(act.sa_mask)); |
Dmitry Vyukov | d91d067 | 2012-05-21 08:26:51 +0000 | [diff] [blame] | 1398 | act.sa_flags = 0; |
Alexey Samsonov | 2135d8a | 2012-09-13 11:54:41 +0000 | [diff] [blame] | 1399 | sigaction_t old; |
Dmitry Vyukov | d91d067 | 2012-05-21 08:26:51 +0000 | [diff] [blame] | 1400 | int res = sigaction(sig, &act, &old); |
| 1401 | if (res) |
| 1402 | return SIG_ERR; |
| 1403 | return old.sa_handler; |
| 1404 | } |
| 1405 | |
| 1406 | TSAN_INTERCEPTOR(int, raise, int sig) { |
| 1407 | SCOPED_TSAN_INTERCEPTOR(raise, sig); |
Dmitry Vyukov | e963666 | 2012-06-27 16:05:06 +0000 | [diff] [blame] | 1408 | SignalContext *sctx = SigCtx(thr); |
Dmitry Vyukov | 1fc03d5 | 2012-06-28 18:07:46 +0000 | [diff] [blame] | 1409 | CHECK_NE(sctx, 0); |
Dmitry Vyukov | e963666 | 2012-06-27 16:05:06 +0000 | [diff] [blame] | 1410 | int prev = sctx->int_signal_send; |
| 1411 | sctx->int_signal_send = sig; |
Dmitry Vyukov | d91d067 | 2012-05-21 08:26:51 +0000 | [diff] [blame] | 1412 | int res = REAL(raise)(sig); |
Dmitry Vyukov | e963666 | 2012-06-27 16:05:06 +0000 | [diff] [blame] | 1413 | CHECK_EQ(sctx->int_signal_send, sig); |
| 1414 | sctx->int_signal_send = prev; |
Dmitry Vyukov | d91d067 | 2012-05-21 08:26:51 +0000 | [diff] [blame] | 1415 | return res; |
| 1416 | } |
| 1417 | |
| 1418 | TSAN_INTERCEPTOR(int, kill, int pid, int sig) { |
| 1419 | SCOPED_TSAN_INTERCEPTOR(kill, pid, sig); |
Dmitry Vyukov | e963666 | 2012-06-27 16:05:06 +0000 | [diff] [blame] | 1420 | SignalContext *sctx = SigCtx(thr); |
Dmitry Vyukov | 1fc03d5 | 2012-06-28 18:07:46 +0000 | [diff] [blame] | 1421 | CHECK_NE(sctx, 0); |
Dmitry Vyukov | e963666 | 2012-06-27 16:05:06 +0000 | [diff] [blame] | 1422 | int prev = sctx->int_signal_send; |
Dmitry Vyukov | d91d067 | 2012-05-21 08:26:51 +0000 | [diff] [blame] | 1423 | if (pid == GetPid()) { |
Dmitry Vyukov | e963666 | 2012-06-27 16:05:06 +0000 | [diff] [blame] | 1424 | sctx->int_signal_send = sig; |
Dmitry Vyukov | d91d067 | 2012-05-21 08:26:51 +0000 | [diff] [blame] | 1425 | } |
| 1426 | int res = REAL(kill)(pid, sig); |
| 1427 | if (pid == GetPid()) { |
Dmitry Vyukov | e963666 | 2012-06-27 16:05:06 +0000 | [diff] [blame] | 1428 | CHECK_EQ(sctx->int_signal_send, sig); |
| 1429 | sctx->int_signal_send = prev; |
Dmitry Vyukov | d91d067 | 2012-05-21 08:26:51 +0000 | [diff] [blame] | 1430 | } |
| 1431 | return res; |
| 1432 | } |
| 1433 | |
| 1434 | TSAN_INTERCEPTOR(int, pthread_kill, void *tid, int sig) { |
| 1435 | SCOPED_TSAN_INTERCEPTOR(pthread_kill, tid, sig); |
Dmitry Vyukov | e963666 | 2012-06-27 16:05:06 +0000 | [diff] [blame] | 1436 | SignalContext *sctx = SigCtx(thr); |
Dmitry Vyukov | 1fc03d5 | 2012-06-28 18:07:46 +0000 | [diff] [blame] | 1437 | CHECK_NE(sctx, 0); |
Dmitry Vyukov | e963666 | 2012-06-27 16:05:06 +0000 | [diff] [blame] | 1438 | int prev = sctx->int_signal_send; |
Dmitry Vyukov | d91d067 | 2012-05-21 08:26:51 +0000 | [diff] [blame] | 1439 | if (tid == pthread_self()) { |
Dmitry Vyukov | e963666 | 2012-06-27 16:05:06 +0000 | [diff] [blame] | 1440 | sctx->int_signal_send = sig; |
Dmitry Vyukov | d91d067 | 2012-05-21 08:26:51 +0000 | [diff] [blame] | 1441 | } |
| 1442 | int res = REAL(pthread_kill)(tid, sig); |
| 1443 | if (tid == pthread_self()) { |
Dmitry Vyukov | e963666 | 2012-06-27 16:05:06 +0000 | [diff] [blame] | 1444 | CHECK_EQ(sctx->int_signal_send, sig); |
| 1445 | sctx->int_signal_send = prev; |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1446 | } |
| 1447 | return res; |
| 1448 | } |
| 1449 | |
Dmitry Vyukov | ee8ee24 | 2012-11-15 17:40:49 +0000 | [diff] [blame] | 1450 | TSAN_INTERCEPTOR(int, gettimeofday, void *tv, void *tz) { |
| 1451 | SCOPED_TSAN_INTERCEPTOR(gettimeofday, tv, tz); |
| 1452 | // It's intercepted merely to process pending signals. |
| 1453 | return REAL(gettimeofday)(tv, tz); |
| 1454 | } |
| 1455 | |
Dmitry Vyukov | 92733f9 | 2012-11-30 06:50:15 +0000 | [diff] [blame] | 1456 | // Linux kernel has a bug that leads to kernel deadlock if a process |
| 1457 | // maps TBs of memory and then calls mlock(). |
| 1458 | static void MlockIsUnsupported() { |
| 1459 | static atomic_uint8_t printed; |
| 1460 | if (atomic_exchange(&printed, 1, memory_order_relaxed)) |
| 1461 | return; |
| 1462 | Printf("INFO: ThreadSanitizer ignores mlock/mlockall/munlock/munlockall\n"); |
| 1463 | } |
| 1464 | |
| 1465 | TSAN_INTERCEPTOR(int, mlock, const void *addr, uptr len) { |
| 1466 | MlockIsUnsupported(); |
| 1467 | return 0; |
| 1468 | } |
| 1469 | |
| 1470 | TSAN_INTERCEPTOR(int, munlock, const void *addr, uptr len) { |
| 1471 | MlockIsUnsupported(); |
| 1472 | return 0; |
| 1473 | } |
| 1474 | |
| 1475 | TSAN_INTERCEPTOR(int, mlockall, int flags) { |
| 1476 | MlockIsUnsupported(); |
| 1477 | return 0; |
| 1478 | } |
| 1479 | |
| 1480 | TSAN_INTERCEPTOR(int, munlockall, void) { |
| 1481 | MlockIsUnsupported(); |
| 1482 | return 0; |
| 1483 | } |
| 1484 | |
Dmitry Vyukov | ee8ee24 | 2012-11-15 17:40:49 +0000 | [diff] [blame] | 1485 | namespace __tsan { |
| 1486 | |
| 1487 | void ProcessPendingSignals(ThreadState *thr) { |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1488 | CHECK_EQ(thr->in_rtl, 0); |
Dmitry Vyukov | e963666 | 2012-06-27 16:05:06 +0000 | [diff] [blame] | 1489 | SignalContext *sctx = SigCtx(thr); |
Dmitry Vyukov | 1fc03d5 | 2012-06-28 18:07:46 +0000 | [diff] [blame] | 1490 | if (sctx == 0 || sctx->pending_signal_count == 0 || thr->in_signal_handler) |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1491 | return; |
Dmitry Vyukov | 158c6ac | 2012-10-05 15:51:32 +0000 | [diff] [blame] | 1492 | Context *ctx = CTX(); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1493 | thr->in_signal_handler = true; |
Dmitry Vyukov | e963666 | 2012-06-27 16:05:06 +0000 | [diff] [blame] | 1494 | sctx->pending_signal_count = 0; |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1495 | // These are too big for stack. |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1496 | static THREADLOCAL sigset_t emptyset, oldset; |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1497 | sigfillset(&emptyset); |
| 1498 | pthread_sigmask(SIG_SETMASK, &emptyset, &oldset); |
| 1499 | for (int sig = 0; sig < kSigCount; sig++) { |
Dmitry Vyukov | e963666 | 2012-06-27 16:05:06 +0000 | [diff] [blame] | 1500 | SignalDesc *signal = &sctx->pending_signals[sig]; |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1501 | if (signal->armed) { |
| 1502 | signal->armed = false; |
Dmitry Vyukov | d91d067 | 2012-05-21 08:26:51 +0000 | [diff] [blame] | 1503 | if (sigactions[sig].sa_handler != SIG_DFL |
| 1504 | && sigactions[sig].sa_handler != SIG_IGN) { |
Dmitry Vyukov | 7a72b4a | 2012-06-27 13:54:46 +0000 | [diff] [blame] | 1505 | // Insure that the handler does not spoil errno. |
| 1506 | const int saved_errno = errno; |
| 1507 | errno = 0; |
Dmitry Vyukov | d91d067 | 2012-05-21 08:26:51 +0000 | [diff] [blame] | 1508 | if (signal->sigaction) |
Dmitry Vyukov | a5562db | 2012-06-27 17:35:35 +0000 | [diff] [blame] | 1509 | sigactions[sig].sa_sigaction(sig, &signal->siginfo, &signal->ctx); |
Dmitry Vyukov | d91d067 | 2012-05-21 08:26:51 +0000 | [diff] [blame] | 1510 | else |
| 1511 | sigactions[sig].sa_handler(sig); |
Dmitry Vyukov | 8a32677 | 2012-11-07 16:14:12 +0000 | [diff] [blame] | 1512 | if (flags()->report_bugs && errno != 0) { |
Dmitry Vyukov | 7a72b4a | 2012-06-27 13:54:46 +0000 | [diff] [blame] | 1513 | ScopedInRtl in_rtl; |
Alexey Samsonov | 4f0ea39 | 2012-09-24 13:19:47 +0000 | [diff] [blame] | 1514 | __tsan::StackTrace stack; |
Dmitry Vyukov | 7a72b4a | 2012-06-27 13:54:46 +0000 | [diff] [blame] | 1515 | uptr pc = signal->sigaction ? |
| 1516 | (uptr)sigactions[sig].sa_sigaction : |
| 1517 | (uptr)sigactions[sig].sa_handler; |
| 1518 | stack.Init(&pc, 1); |
| 1519 | ScopedReport rep(ReportTypeErrnoInSignal); |
Dmitry Vyukov | 158c6ac | 2012-10-05 15:51:32 +0000 | [diff] [blame] | 1520 | if (!IsFiredSuppression(ctx, rep, stack)) { |
| 1521 | rep.AddStack(&stack); |
| 1522 | OutputReport(ctx, rep, rep.GetReport()->stacks[0]); |
| 1523 | } |
Dmitry Vyukov | 7a72b4a | 2012-06-27 13:54:46 +0000 | [diff] [blame] | 1524 | } |
| 1525 | errno = saved_errno; |
Dmitry Vyukov | d91d067 | 2012-05-21 08:26:51 +0000 | [diff] [blame] | 1526 | } |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1527 | } |
| 1528 | } |
| 1529 | pthread_sigmask(SIG_SETMASK, &oldset, 0); |
| 1530 | CHECK_EQ(thr->in_signal_handler, true); |
| 1531 | thr->in_signal_handler = false; |
| 1532 | } |
| 1533 | |
Dmitry Vyukov | 91ac008 | 2012-12-04 07:28:25 +0000 | [diff] [blame] | 1534 | static void unreachable() { |
| 1535 | Printf("FATAL: ThreadSanitizer: unreachable called\n"); |
| 1536 | Die(); |
| 1537 | } |
| 1538 | |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1539 | void InitializeInterceptors() { |
| 1540 | CHECK_GT(cur_thread()->in_rtl, 0); |
| 1541 | |
| 1542 | // We need to setup it early, because functions like dlsym() can call it. |
Dmitry Vyukov | 065c4ac | 2012-06-29 15:19:14 +0000 | [diff] [blame] | 1543 | REAL(memset) = internal_memset; |
| 1544 | REAL(memcpy) = internal_memcpy; |
| 1545 | REAL(memcmp) = internal_memcmp; |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1546 | |
Dmitry Vyukov | f037f56 | 2012-05-31 18:03:59 +0000 | [diff] [blame] | 1547 | TSAN_INTERCEPT(longjmp); |
| 1548 | TSAN_INTERCEPT(siglongjmp); |
| 1549 | |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1550 | TSAN_INTERCEPT(malloc); |
Dmitry Vyukov | 07ba8ef | 2012-11-30 17:27:58 +0000 | [diff] [blame] | 1551 | TSAN_INTERCEPT(__libc_memalign); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1552 | TSAN_INTERCEPT(calloc); |
| 1553 | TSAN_INTERCEPT(realloc); |
| 1554 | TSAN_INTERCEPT(free); |
| 1555 | TSAN_INTERCEPT(cfree); |
| 1556 | TSAN_INTERCEPT(mmap); |
| 1557 | TSAN_INTERCEPT(mmap64); |
| 1558 | TSAN_INTERCEPT(munmap); |
| 1559 | TSAN_INTERCEPT(memalign); |
| 1560 | TSAN_INTERCEPT(valloc); |
| 1561 | TSAN_INTERCEPT(pvalloc); |
| 1562 | TSAN_INTERCEPT(posix_memalign); |
| 1563 | |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1564 | TSAN_INTERCEPT(strlen); |
| 1565 | TSAN_INTERCEPT(memset); |
| 1566 | TSAN_INTERCEPT(memcpy); |
| 1567 | TSAN_INTERCEPT(strcmp); |
| 1568 | TSAN_INTERCEPT(memchr); |
| 1569 | TSAN_INTERCEPT(memrchr); |
| 1570 | TSAN_INTERCEPT(memmove); |
| 1571 | TSAN_INTERCEPT(memcmp); |
| 1572 | TSAN_INTERCEPT(strchr); |
| 1573 | TSAN_INTERCEPT(strchrnul); |
| 1574 | TSAN_INTERCEPT(strrchr); |
| 1575 | TSAN_INTERCEPT(strncmp); |
| 1576 | TSAN_INTERCEPT(strcpy); // NOLINT |
| 1577 | TSAN_INTERCEPT(strncpy); |
| 1578 | TSAN_INTERCEPT(strstr); |
| 1579 | |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1580 | TSAN_INTERCEPT(pthread_create); |
| 1581 | TSAN_INTERCEPT(pthread_join); |
| 1582 | TSAN_INTERCEPT(pthread_detach); |
| 1583 | |
| 1584 | TSAN_INTERCEPT(pthread_mutex_init); |
| 1585 | TSAN_INTERCEPT(pthread_mutex_destroy); |
| 1586 | TSAN_INTERCEPT(pthread_mutex_lock); |
| 1587 | TSAN_INTERCEPT(pthread_mutex_trylock); |
| 1588 | TSAN_INTERCEPT(pthread_mutex_timedlock); |
| 1589 | TSAN_INTERCEPT(pthread_mutex_unlock); |
| 1590 | |
| 1591 | TSAN_INTERCEPT(pthread_spin_init); |
| 1592 | TSAN_INTERCEPT(pthread_spin_destroy); |
| 1593 | TSAN_INTERCEPT(pthread_spin_lock); |
| 1594 | TSAN_INTERCEPT(pthread_spin_trylock); |
| 1595 | TSAN_INTERCEPT(pthread_spin_unlock); |
| 1596 | |
| 1597 | TSAN_INTERCEPT(pthread_rwlock_init); |
| 1598 | TSAN_INTERCEPT(pthread_rwlock_destroy); |
| 1599 | TSAN_INTERCEPT(pthread_rwlock_rdlock); |
| 1600 | TSAN_INTERCEPT(pthread_rwlock_tryrdlock); |
| 1601 | TSAN_INTERCEPT(pthread_rwlock_timedrdlock); |
| 1602 | TSAN_INTERCEPT(pthread_rwlock_wrlock); |
| 1603 | TSAN_INTERCEPT(pthread_rwlock_trywrlock); |
| 1604 | TSAN_INTERCEPT(pthread_rwlock_timedwrlock); |
| 1605 | TSAN_INTERCEPT(pthread_rwlock_unlock); |
| 1606 | |
| 1607 | TSAN_INTERCEPT(pthread_cond_init); |
| 1608 | TSAN_INTERCEPT(pthread_cond_destroy); |
| 1609 | TSAN_INTERCEPT(pthread_cond_signal); |
| 1610 | TSAN_INTERCEPT(pthread_cond_broadcast); |
| 1611 | TSAN_INTERCEPT(pthread_cond_wait); |
| 1612 | TSAN_INTERCEPT(pthread_cond_timedwait); |
| 1613 | |
| 1614 | TSAN_INTERCEPT(pthread_barrier_init); |
| 1615 | TSAN_INTERCEPT(pthread_barrier_destroy); |
| 1616 | TSAN_INTERCEPT(pthread_barrier_wait); |
| 1617 | |
| 1618 | TSAN_INTERCEPT(pthread_once); |
| 1619 | |
| 1620 | TSAN_INTERCEPT(sem_init); |
| 1621 | TSAN_INTERCEPT(sem_destroy); |
| 1622 | TSAN_INTERCEPT(sem_wait); |
| 1623 | TSAN_INTERCEPT(sem_trywait); |
| 1624 | TSAN_INTERCEPT(sem_timedwait); |
| 1625 | TSAN_INTERCEPT(sem_post); |
| 1626 | TSAN_INTERCEPT(sem_getvalue); |
| 1627 | |
| 1628 | TSAN_INTERCEPT(read); |
| 1629 | TSAN_INTERCEPT(pread); |
| 1630 | TSAN_INTERCEPT(pread64); |
| 1631 | TSAN_INTERCEPT(readv); |
| 1632 | TSAN_INTERCEPT(preadv64); |
| 1633 | TSAN_INTERCEPT(write); |
| 1634 | TSAN_INTERCEPT(pwrite); |
| 1635 | TSAN_INTERCEPT(pwrite64); |
| 1636 | TSAN_INTERCEPT(writev); |
| 1637 | TSAN_INTERCEPT(pwritev64); |
| 1638 | TSAN_INTERCEPT(send); |
| 1639 | TSAN_INTERCEPT(sendmsg); |
| 1640 | TSAN_INTERCEPT(recv); |
| 1641 | TSAN_INTERCEPT(recvmsg); |
| 1642 | |
| 1643 | TSAN_INTERCEPT(unlink); |
| 1644 | TSAN_INTERCEPT(fopen); |
| 1645 | TSAN_INTERCEPT(fread); |
| 1646 | TSAN_INTERCEPT(fwrite); |
| 1647 | TSAN_INTERCEPT(puts); |
| 1648 | TSAN_INTERCEPT(rmdir); |
| 1649 | TSAN_INTERCEPT(opendir); |
| 1650 | |
| 1651 | TSAN_INTERCEPT(epoll_ctl); |
| 1652 | TSAN_INTERCEPT(epoll_wait); |
Dmitry Vyukov | ee8ee24 | 2012-11-15 17:40:49 +0000 | [diff] [blame] | 1653 | TSAN_INTERCEPT(poll); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1654 | |
| 1655 | TSAN_INTERCEPT(sigaction); |
Dmitry Vyukov | d91d067 | 2012-05-21 08:26:51 +0000 | [diff] [blame] | 1656 | TSAN_INTERCEPT(signal); |
| 1657 | TSAN_INTERCEPT(raise); |
| 1658 | TSAN_INTERCEPT(kill); |
| 1659 | TSAN_INTERCEPT(pthread_kill); |
Dmitry Vyukov | 8485311 | 2012-08-31 17:27:49 +0000 | [diff] [blame] | 1660 | TSAN_INTERCEPT(sleep); |
| 1661 | TSAN_INTERCEPT(usleep); |
| 1662 | TSAN_INTERCEPT(nanosleep); |
Dmitry Vyukov | aad173b | 2012-11-09 19:55:06 +0000 | [diff] [blame] | 1663 | TSAN_INTERCEPT(gettimeofday); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1664 | |
Dmitry Vyukov | 92733f9 | 2012-11-30 06:50:15 +0000 | [diff] [blame] | 1665 | TSAN_INTERCEPT(mlock); |
| 1666 | TSAN_INTERCEPT(munlock); |
| 1667 | TSAN_INTERCEPT(mlockall); |
| 1668 | TSAN_INTERCEPT(munlockall); |
| 1669 | |
Dmitry Vyukov | 91ac008 | 2012-12-04 07:28:25 +0000 | [diff] [blame] | 1670 | // Need to setup it, because interceptors check that the function is resolved. |
| 1671 | // But atexit is emitted directly into the module, so can't be resolved. |
| 1672 | REAL(atexit) = (int(*)(void(*)()))unreachable; |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1673 | atexit_ctx = new(internal_alloc(MBlockAtExit, sizeof(AtExitContext))) |
| 1674 | AtExitContext(); |
| 1675 | |
| 1676 | if (__cxa_atexit(&finalize, 0, 0)) { |
Alexey Samsonov | b1fe302 | 2012-11-02 12:17:51 +0000 | [diff] [blame] | 1677 | Printf("ThreadSanitizer: failed to setup atexit callback\n"); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1678 | Die(); |
| 1679 | } |
| 1680 | |
| 1681 | if (pthread_key_create(&g_thread_finalize_key, &thread_finalize)) { |
Alexey Samsonov | b1fe302 | 2012-11-02 12:17:51 +0000 | [diff] [blame] | 1682 | Printf("ThreadSanitizer: failed to create thread key\n"); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1683 | Die(); |
| 1684 | } |
Dmitry Vyukov | 3f4e6d9 | 2012-12-07 14:40:10 +0000 | [diff] [blame^] | 1685 | |
| 1686 | FdInit(); |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1687 | } |
| 1688 | |
Dmitry Vyukov | 2612773 | 2012-05-22 11:33:03 +0000 | [diff] [blame] | 1689 | void internal_start_thread(void(*func)(void *arg), void *arg) { |
| 1690 | void *th; |
| 1691 | REAL(pthread_create)(&th, 0, (void*(*)(void *arg))func, arg); |
| 1692 | REAL(pthread_detach)(th); |
| 1693 | } |
| 1694 | |
Kostya Serebryany | 7ac4148 | 2012-05-10 13:48:04 +0000 | [diff] [blame] | 1695 | } // namespace __tsan |