bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 1 | /* -*- mode: C; c-basic-offset: 3; -*- */ |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 2 | /* |
bart | 86562bd | 2009-02-16 19:43:56 +0000 | [diff] [blame] | 3 | This file is part of drd, a thread error detector. |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 4 | |
bart | 86562bd | 2009-02-16 19:43:56 +0000 | [diff] [blame] | 5 | Copyright (C) 2006-2009 Bart Van Assche <bart.vanassche@gmail.com>. |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 6 | |
| 7 | This program is free software; you can redistribute it and/or |
| 8 | modify it under the terms of the GNU General Public License as |
| 9 | published by the Free Software Foundation; either version 2 of the |
| 10 | License, or (at your option) any later version. |
| 11 | |
| 12 | This program is distributed in the hope that it will be useful, but |
| 13 | WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with this program; if not, write to the Free Software |
| 19 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 20 | 02111-1307, USA. |
| 21 | |
| 22 | The GNU General Public License is contained in the file COPYING. |
| 23 | */ |
| 24 | |
| 25 | |
bart | 28230a3 | 2008-02-29 17:27:03 +0000 | [diff] [blame] | 26 | #include "drd_clientobj.h" |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 27 | #include "drd_cond.h" |
| 28 | #include "drd_error.h" |
| 29 | #include "drd_mutex.h" |
| 30 | #include "drd_suppression.h" |
bart | 46b5fce | 2008-06-28 13:01:30 +0000 | [diff] [blame] | 31 | #include "pub_tool_errormgr.h" /* VG_(maybe_record_error)() */ |
| 32 | #include "pub_tool_libcassert.h" /* tl_assert() */ |
| 33 | #include "pub_tool_libcprint.h" /* VG_(printf)() */ |
| 34 | #include "pub_tool_machine.h" /* VG_(get_IP)() */ |
| 35 | #include "pub_tool_options.h" /* VG_(clo_backtrace_size) */ |
| 36 | #include "pub_tool_threadstate.h" /* VG_(get_running_tid)() */ |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 37 | |
| 38 | |
bart | 46b5fce | 2008-06-28 13:01:30 +0000 | [diff] [blame] | 39 | /* Local functions. */ |
bart | 28230a3 | 2008-02-29 17:27:03 +0000 | [diff] [blame] | 40 | |
bart | dc1ef03 | 2009-02-15 14:18:02 +0000 | [diff] [blame] | 41 | static void DRD_(cond_cleanup)(struct cond_info* p); |
bart | 28230a3 | 2008-02-29 17:27:03 +0000 | [diff] [blame] | 42 | |
| 43 | |
bart | 46b5fce | 2008-06-28 13:01:30 +0000 | [diff] [blame] | 44 | /* Local variables. */ |
bart | 28230a3 | 2008-02-29 17:27:03 +0000 | [diff] [blame] | 45 | |
bart | dc1ef03 | 2009-02-15 14:18:02 +0000 | [diff] [blame] | 46 | static Bool DRD_(s_report_signal_unlocked) = True; |
| 47 | static Bool DRD_(s_trace_cond); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 48 | |
| 49 | |
bart | 46b5fce | 2008-06-28 13:01:30 +0000 | [diff] [blame] | 50 | /* Function definitions. */ |
bart | 28230a3 | 2008-02-29 17:27:03 +0000 | [diff] [blame] | 51 | |
bart | dc1ef03 | 2009-02-15 14:18:02 +0000 | [diff] [blame] | 52 | void DRD_(cond_set_report_signal_unlocked)(const Bool r) |
bart | 764dea2 | 2009-02-15 13:16:52 +0000 | [diff] [blame] | 53 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 54 | DRD_(s_report_signal_unlocked) = r; |
bart | 764dea2 | 2009-02-15 13:16:52 +0000 | [diff] [blame] | 55 | } |
| 56 | |
bart | dc1ef03 | 2009-02-15 14:18:02 +0000 | [diff] [blame] | 57 | void DRD_(cond_set_trace)(const Bool trace_cond) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 58 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 59 | DRD_(s_trace_cond) = trace_cond; |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 60 | } |
| 61 | |
| 62 | static |
bart | dc1ef03 | 2009-02-15 14:18:02 +0000 | [diff] [blame] | 63 | void DRD_(cond_initialize)(struct cond_info* const p, const Addr cond) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 64 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 65 | tl_assert(cond != 0); |
| 66 | tl_assert(p->a1 == cond); |
| 67 | tl_assert(p->type == ClientCondvar); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 68 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 69 | p->cleanup = (void(*)(DrdClientobj*))(DRD_(cond_cleanup)); |
| 70 | p->delete_thread = 0; |
| 71 | p->waiter_count = 0; |
| 72 | p->mutex = 0; |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 73 | } |
| 74 | |
bart | 195e41f | 2009-02-15 11:34:57 +0000 | [diff] [blame] | 75 | /** |
| 76 | * Free the memory that was allocated by cond_initialize(). Called by |
| 77 | * DRD_(clientobj_remove)(). |
bart | 28230a3 | 2008-02-29 17:27:03 +0000 | [diff] [blame] | 78 | */ |
bart | dc1ef03 | 2009-02-15 14:18:02 +0000 | [diff] [blame] | 79 | static void DRD_(cond_cleanup)(struct cond_info* p) |
bart | 28230a3 | 2008-02-29 17:27:03 +0000 | [diff] [blame] | 80 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 81 | tl_assert(p); |
| 82 | if (p->mutex) |
| 83 | { |
| 84 | struct mutex_info* q; |
| 85 | q = &(DRD_(clientobj_get)(p->mutex, ClientMutex)->mutex); |
| 86 | tl_assert(q); |
| 87 | { |
bart | d45d995 | 2009-05-31 18:53:54 +0000 | [diff] [blame] | 88 | CondDestrErrInfo cde = { DRD_(thread_get_running_tid)(), |
| 89 | p->a1, q->a1, q->owner }; |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 90 | VG_(maybe_record_error)(VG_(get_running_tid)(), |
| 91 | CondDestrErr, |
| 92 | VG_(get_IP)(VG_(get_running_tid)()), |
| 93 | "Destroying condition variable that is being" |
| 94 | " waited upon", |
| 95 | &cde); |
| 96 | } |
| 97 | } |
bart | 28230a3 | 2008-02-29 17:27:03 +0000 | [diff] [blame] | 98 | } |
| 99 | |
bart | d45d995 | 2009-05-31 18:53:54 +0000 | [diff] [blame] | 100 | static struct cond_info* cond_get_or_allocate(const Addr cond) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 101 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 102 | struct cond_info *p; |
bart | 28230a3 | 2008-02-29 17:27:03 +0000 | [diff] [blame] | 103 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 104 | tl_assert(offsetof(DrdClientobj, cond) == 0); |
| 105 | p = &(DRD_(clientobj_get)(cond, ClientCondvar)->cond); |
| 106 | if (p == 0) |
| 107 | { |
| 108 | p = &(DRD_(clientobj_add)(cond, ClientCondvar)->cond); |
| 109 | DRD_(cond_initialize)(p, cond); |
| 110 | } |
| 111 | return p; |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 112 | } |
| 113 | |
bart | d45d995 | 2009-05-31 18:53:54 +0000 | [diff] [blame] | 114 | struct cond_info* DRD_(cond_get)(const Addr cond) |
bart | 28230a3 | 2008-02-29 17:27:03 +0000 | [diff] [blame] | 115 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 116 | tl_assert(offsetof(DrdClientobj, cond) == 0); |
| 117 | return &(DRD_(clientobj_get)(cond, ClientCondvar)->cond); |
bart | 28230a3 | 2008-02-29 17:27:03 +0000 | [diff] [blame] | 118 | } |
| 119 | |
| 120 | /** Called before pthread_cond_init(). */ |
bart | dc1ef03 | 2009-02-15 14:18:02 +0000 | [diff] [blame] | 121 | void DRD_(cond_pre_init)(const Addr cond) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 122 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 123 | struct cond_info* p; |
bart | 72b751c | 2008-03-01 13:44:24 +0000 | [diff] [blame] | 124 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 125 | if (DRD_(s_trace_cond)) |
| 126 | { |
| 127 | VG_(message)(Vg_UserMsg, |
bart | 63c92ea | 2009-07-19 17:53:56 +0000 | [diff] [blame] | 128 | "[%d] cond_init cond 0x%lx\n", |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 129 | DRD_(thread_get_running_tid)(), |
| 130 | cond); |
| 131 | } |
bart | 72b751c | 2008-03-01 13:44:24 +0000 | [diff] [blame] | 132 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 133 | p = DRD_(cond_get)(cond); |
bart | 72b751c | 2008-03-01 13:44:24 +0000 | [diff] [blame] | 134 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 135 | if (p) |
| 136 | { |
bart | d45d995 | 2009-05-31 18:53:54 +0000 | [diff] [blame] | 137 | CondErrInfo cei = { .tid = DRD_(thread_get_running_tid)(), .cond = cond }; |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 138 | VG_(maybe_record_error)(VG_(get_running_tid)(), |
| 139 | CondErr, |
| 140 | VG_(get_IP)(VG_(get_running_tid)()), |
| 141 | "initialized twice", |
| 142 | &cei); |
| 143 | } |
bart | 72b751c | 2008-03-01 13:44:24 +0000 | [diff] [blame] | 144 | |
bart | d45d995 | 2009-05-31 18:53:54 +0000 | [diff] [blame] | 145 | p = cond_get_or_allocate(cond); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 146 | } |
| 147 | |
bart | 28230a3 | 2008-02-29 17:27:03 +0000 | [diff] [blame] | 148 | /** Called after pthread_cond_destroy(). */ |
bart | dc1ef03 | 2009-02-15 14:18:02 +0000 | [diff] [blame] | 149 | void DRD_(cond_post_destroy)(const Addr cond) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 150 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 151 | struct cond_info* p; |
bart | 72b751c | 2008-03-01 13:44:24 +0000 | [diff] [blame] | 152 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 153 | if (DRD_(s_trace_cond)) |
| 154 | { |
| 155 | VG_(message)(Vg_UserMsg, |
bart | 63c92ea | 2009-07-19 17:53:56 +0000 | [diff] [blame] | 156 | "[%d] cond_destroy cond 0x%lx\n", |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 157 | DRD_(thread_get_running_tid)(), |
| 158 | cond); |
| 159 | } |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 160 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 161 | p = DRD_(cond_get)(cond); |
| 162 | if (p == 0) |
| 163 | { |
bart | d45d995 | 2009-05-31 18:53:54 +0000 | [diff] [blame] | 164 | CondErrInfo cei = { .tid = DRD_(thread_get_running_tid)(), .cond = cond }; |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 165 | VG_(maybe_record_error)(VG_(get_running_tid)(), |
| 166 | CondErr, |
| 167 | VG_(get_IP)(VG_(get_running_tid)()), |
| 168 | "not a condition variable", |
| 169 | &cei); |
| 170 | return; |
| 171 | } |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 172 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 173 | if (p->waiter_count != 0) |
| 174 | { |
bart | d45d995 | 2009-05-31 18:53:54 +0000 | [diff] [blame] | 175 | CondErrInfo cei = { .tid = DRD_(thread_get_running_tid)(), .cond = cond }; |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 176 | VG_(maybe_record_error)(VG_(get_running_tid)(), |
| 177 | CondErr, |
| 178 | VG_(get_IP)(VG_(get_running_tid)()), |
| 179 | "destruction of condition variable being waited" |
| 180 | " upon", |
| 181 | &cei); |
| 182 | } |
bart | 72b751c | 2008-03-01 13:44:24 +0000 | [diff] [blame] | 183 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 184 | DRD_(clientobj_remove)(p->a1, ClientCondvar); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 185 | } |
| 186 | |
bart | 08e6d6a | 2008-06-28 16:28:49 +0000 | [diff] [blame] | 187 | /** Called before pthread_cond_wait(). Note: before this function is called, |
| 188 | * mutex_unlock() has already been called from drd_clientreq.c. |
| 189 | */ |
bart | dc1ef03 | 2009-02-15 14:18:02 +0000 | [diff] [blame] | 190 | int DRD_(cond_pre_wait)(const Addr cond, const Addr mutex) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 191 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 192 | struct cond_info* p; |
| 193 | struct mutex_info* q; |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 194 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 195 | if (DRD_(s_trace_cond)) |
| 196 | { |
| 197 | VG_(message)(Vg_UserMsg, |
bart | 63c92ea | 2009-07-19 17:53:56 +0000 | [diff] [blame] | 198 | "[%d] cond_pre_wait cond 0x%lx\n", |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 199 | DRD_(thread_get_running_tid)(), |
| 200 | cond); |
| 201 | } |
bart | 3b1ee45 | 2008-02-29 19:28:15 +0000 | [diff] [blame] | 202 | |
bart | d45d995 | 2009-05-31 18:53:54 +0000 | [diff] [blame] | 203 | p = cond_get_or_allocate(cond); |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 204 | tl_assert(p); |
bart | 3b1ee45 | 2008-02-29 19:28:15 +0000 | [diff] [blame] | 205 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 206 | if (p->waiter_count == 0) |
| 207 | { |
| 208 | p->mutex = mutex; |
| 209 | } |
| 210 | else if (p->mutex != mutex) |
| 211 | { |
| 212 | CondWaitErrInfo cwei |
bart | d45d995 | 2009-05-31 18:53:54 +0000 | [diff] [blame] | 213 | = { .tid = DRD_(thread_get_running_tid)(), |
| 214 | .cond = cond, .mutex1 = p->mutex, .mutex2 = mutex }; |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 215 | VG_(maybe_record_error)(VG_(get_running_tid)(), |
| 216 | CondWaitErr, |
| 217 | VG_(get_IP)(VG_(get_running_tid)()), |
| 218 | "Inconsistent association of condition variable" |
| 219 | " and mutex", |
| 220 | &cwei); |
| 221 | } |
| 222 | tl_assert(p->mutex); |
| 223 | q = DRD_(mutex_get)(p->mutex); |
| 224 | if (q |
| 225 | && q->owner == DRD_(thread_get_running_tid)() && q->recursion_count > 0) |
| 226 | { |
| 227 | const ThreadId vg_tid = VG_(get_running_tid)(); |
bart | d45d995 | 2009-05-31 18:53:54 +0000 | [diff] [blame] | 228 | MutexErrInfo MEI = { DRD_(thread_get_running_tid)(), |
| 229 | q->a1, q->recursion_count, q->owner }; |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 230 | VG_(maybe_record_error)(vg_tid, |
| 231 | MutexErr, |
| 232 | VG_(get_IP)(vg_tid), |
| 233 | "Mutex locked recursively", |
| 234 | &MEI); |
| 235 | } |
| 236 | else if (q == 0) |
| 237 | { |
| 238 | DRD_(not_a_mutex)(p->mutex); |
| 239 | } |
bart | 08e6d6a | 2008-06-28 16:28:49 +0000 | [diff] [blame] | 240 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 241 | return ++p->waiter_count; |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 242 | } |
| 243 | |
bart | 28230a3 | 2008-02-29 17:27:03 +0000 | [diff] [blame] | 244 | /** Called after pthread_cond_wait(). */ |
bart | dc1ef03 | 2009-02-15 14:18:02 +0000 | [diff] [blame] | 245 | int DRD_(cond_post_wait)(const Addr cond) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 246 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 247 | struct cond_info* p; |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 248 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 249 | if (DRD_(s_trace_cond)) |
| 250 | { |
| 251 | VG_(message)(Vg_UserMsg, |
bart | 63c92ea | 2009-07-19 17:53:56 +0000 | [diff] [blame] | 252 | "[%d] cond_post_wait cond 0x%lx\n", |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 253 | DRD_(thread_get_running_tid)(), |
| 254 | cond); |
| 255 | } |
bart | 3b1ee45 | 2008-02-29 19:28:15 +0000 | [diff] [blame] | 256 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 257 | p = DRD_(cond_get)(cond); |
| 258 | if (p) |
| 259 | { |
| 260 | if (p->waiter_count > 0) |
bart | a9c5508 | 2008-06-28 16:55:35 +0000 | [diff] [blame] | 261 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 262 | --p->waiter_count; |
| 263 | if (p->waiter_count == 0) |
| 264 | { |
| 265 | p->mutex = 0; |
| 266 | } |
bart | a9c5508 | 2008-06-28 16:55:35 +0000 | [diff] [blame] | 267 | } |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 268 | return p->waiter_count; |
| 269 | } |
| 270 | return 0; |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 271 | } |
| 272 | |
bart | dc1ef03 | 2009-02-15 14:18:02 +0000 | [diff] [blame] | 273 | static void DRD_(cond_signal)(Addr const cond) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 274 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 275 | const ThreadId vg_tid = VG_(get_running_tid)(); |
| 276 | const DrdThreadId drd_tid = DRD_(VgThreadIdToDrdThreadId)(vg_tid); |
| 277 | struct cond_info* const cond_p = DRD_(cond_get)(cond); |
bart | 3b1ee45 | 2008-02-29 19:28:15 +0000 | [diff] [blame] | 278 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 279 | if (cond_p && cond_p->waiter_count > 0) |
| 280 | { |
| 281 | if (DRD_(s_report_signal_unlocked) |
| 282 | && ! DRD_(mutex_is_locked_by)(cond_p->mutex, drd_tid)) |
| 283 | { |
| 284 | /* A signal is sent while the associated mutex has not been locked. */ |
| 285 | /* This can indicate but is not necessarily a race condition. */ |
bart | d45d995 | 2009-05-31 18:53:54 +0000 | [diff] [blame] | 286 | CondRaceErrInfo cei = { .tid = DRD_(thread_get_running_tid)(), |
| 287 | .cond = cond, |
| 288 | .mutex = cond_p->mutex, |
| 289 | }; |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 290 | VG_(maybe_record_error)(vg_tid, |
| 291 | CondRaceErr, |
| 292 | VG_(get_IP)(vg_tid), |
| 293 | "CondErr", |
| 294 | &cei); |
| 295 | } |
| 296 | } |
| 297 | else |
| 298 | { |
| 299 | /* No other thread is waiting for the signal, hence the signal will be */ |
| 300 | /* lost. This is normal in a POSIX threads application. */ |
| 301 | } |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 302 | } |
| 303 | |
bart | 3b1ee45 | 2008-02-29 19:28:15 +0000 | [diff] [blame] | 304 | /** Called before pthread_cond_signal(). */ |
bart | dc1ef03 | 2009-02-15 14:18:02 +0000 | [diff] [blame] | 305 | void DRD_(cond_pre_signal)(Addr const cond) |
bart | 3b1ee45 | 2008-02-29 19:28:15 +0000 | [diff] [blame] | 306 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 307 | if (DRD_(s_trace_cond)) |
| 308 | { |
| 309 | VG_(message)(Vg_UserMsg, |
bart | 63c92ea | 2009-07-19 17:53:56 +0000 | [diff] [blame] | 310 | "[%d] cond_signal cond 0x%lx\n", |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 311 | DRD_(thread_get_running_tid)(), |
| 312 | cond); |
| 313 | } |
bart | 3b1ee45 | 2008-02-29 19:28:15 +0000 | [diff] [blame] | 314 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 315 | DRD_(cond_signal)(cond); |
bart | 3b1ee45 | 2008-02-29 19:28:15 +0000 | [diff] [blame] | 316 | } |
| 317 | |
bart | 28230a3 | 2008-02-29 17:27:03 +0000 | [diff] [blame] | 318 | /** Called before pthread_cond_broadcast(). */ |
bart | dc1ef03 | 2009-02-15 14:18:02 +0000 | [diff] [blame] | 319 | void DRD_(cond_pre_broadcast)(Addr const cond) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 320 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 321 | if (DRD_(s_trace_cond)) |
| 322 | { |
| 323 | VG_(message)(Vg_UserMsg, |
bart | 63c92ea | 2009-07-19 17:53:56 +0000 | [diff] [blame] | 324 | "[%d] cond_broadcast cond 0x%lx\n", |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 325 | DRD_(thread_get_running_tid)(), |
| 326 | cond); |
| 327 | } |
bart | 3b1ee45 | 2008-02-29 19:28:15 +0000 | [diff] [blame] | 328 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 329 | DRD_(cond_signal)(cond); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 330 | } |