Colin Cross | 07a5832 | 2022-02-08 19:45:27 -0800 | [diff] [blame] | 1 | #ifndef _SIGNAL_H |
| 2 | #define _SIGNAL_H |
| 3 | |
| 4 | #ifdef __cplusplus |
| 5 | extern "C" { |
| 6 | #endif |
| 7 | |
| 8 | #include <features.h> |
| 9 | |
| 10 | #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \ |
| 11 | || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \ |
| 12 | || defined(_BSD_SOURCE) |
| 13 | |
| 14 | #ifdef _GNU_SOURCE |
| 15 | #define __ucontext ucontext |
| 16 | #endif |
| 17 | |
| 18 | #define __NEED_size_t |
| 19 | #define __NEED_pid_t |
| 20 | #define __NEED_uid_t |
| 21 | #define __NEED_struct_timespec |
| 22 | #define __NEED_pthread_t |
| 23 | #define __NEED_pthread_attr_t |
| 24 | #define __NEED_time_t |
| 25 | #define __NEED_clock_t |
| 26 | #define __NEED_sigset_t |
| 27 | |
| 28 | #include <bits/alltypes.h> |
| 29 | |
| 30 | #define SIG_BLOCK 0 |
| 31 | #define SIG_UNBLOCK 1 |
| 32 | #define SIG_SETMASK 2 |
| 33 | |
| 34 | #define SI_ASYNCNL (-60) |
| 35 | #define SI_TKILL (-6) |
| 36 | #define SI_SIGIO (-5) |
| 37 | #define SI_ASYNCIO (-4) |
| 38 | #define SI_MESGQ (-3) |
| 39 | #define SI_TIMER (-2) |
| 40 | #define SI_QUEUE (-1) |
| 41 | #define SI_USER 0 |
| 42 | #define SI_KERNEL 128 |
| 43 | |
| 44 | typedef struct sigaltstack stack_t; |
| 45 | |
| 46 | #endif |
| 47 | |
| 48 | #include <bits/signal.h> |
| 49 | |
| 50 | #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \ |
| 51 | || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \ |
| 52 | || defined(_BSD_SOURCE) |
| 53 | |
| 54 | #define SIG_HOLD ((void (*)(int)) 2) |
| 55 | |
| 56 | #define FPE_INTDIV 1 |
| 57 | #define FPE_INTOVF 2 |
| 58 | #define FPE_FLTDIV 3 |
| 59 | #define FPE_FLTOVF 4 |
| 60 | #define FPE_FLTUND 5 |
| 61 | #define FPE_FLTRES 6 |
| 62 | #define FPE_FLTINV 7 |
| 63 | #define FPE_FLTSUB 8 |
| 64 | |
| 65 | #define ILL_ILLOPC 1 |
| 66 | #define ILL_ILLOPN 2 |
| 67 | #define ILL_ILLADR 3 |
| 68 | #define ILL_ILLTRP 4 |
| 69 | #define ILL_PRVOPC 5 |
| 70 | #define ILL_PRVREG 6 |
| 71 | #define ILL_COPROC 7 |
| 72 | #define ILL_BADSTK 8 |
| 73 | |
| 74 | #define SEGV_MAPERR 1 |
| 75 | #define SEGV_ACCERR 2 |
| 76 | #define SEGV_BNDERR 3 |
| 77 | #define SEGV_PKUERR 4 |
| 78 | #define SEGV_MTEAERR 8 |
| 79 | #define SEGV_MTESERR 9 |
| 80 | |
| 81 | #define BUS_ADRALN 1 |
| 82 | #define BUS_ADRERR 2 |
| 83 | #define BUS_OBJERR 3 |
| 84 | #define BUS_MCEERR_AR 4 |
| 85 | #define BUS_MCEERR_AO 5 |
| 86 | |
| 87 | #define CLD_EXITED 1 |
| 88 | #define CLD_KILLED 2 |
| 89 | #define CLD_DUMPED 3 |
| 90 | #define CLD_TRAPPED 4 |
| 91 | #define CLD_STOPPED 5 |
| 92 | #define CLD_CONTINUED 6 |
| 93 | |
| 94 | union sigval { |
| 95 | int sival_int; |
| 96 | void *sival_ptr; |
| 97 | }; |
| 98 | |
| 99 | typedef struct { |
| 100 | #ifdef __SI_SWAP_ERRNO_CODE |
| 101 | int si_signo, si_code, si_errno; |
| 102 | #else |
| 103 | int si_signo, si_errno, si_code; |
| 104 | #endif |
| 105 | union { |
| 106 | char __pad[128 - 2*sizeof(int) - sizeof(long)]; |
| 107 | struct { |
| 108 | union { |
| 109 | struct { |
| 110 | pid_t si_pid; |
| 111 | uid_t si_uid; |
| 112 | } __piduid; |
| 113 | struct { |
| 114 | int si_timerid; |
| 115 | int si_overrun; |
| 116 | } __timer; |
| 117 | } __first; |
| 118 | union { |
| 119 | union sigval si_value; |
| 120 | struct { |
| 121 | int si_status; |
| 122 | clock_t si_utime, si_stime; |
| 123 | } __sigchld; |
| 124 | } __second; |
| 125 | } __si_common; |
| 126 | struct { |
| 127 | void *si_addr; |
| 128 | short si_addr_lsb; |
| 129 | union { |
| 130 | struct { |
| 131 | void *si_lower; |
| 132 | void *si_upper; |
| 133 | } __addr_bnd; |
| 134 | unsigned si_pkey; |
| 135 | } __first; |
| 136 | } __sigfault; |
| 137 | struct { |
| 138 | long si_band; |
| 139 | int si_fd; |
| 140 | } __sigpoll; |
| 141 | struct { |
| 142 | void *si_call_addr; |
| 143 | int si_syscall; |
| 144 | unsigned si_arch; |
| 145 | } __sigsys; |
| 146 | } __si_fields; |
| 147 | } siginfo_t; |
| 148 | #define si_pid __si_fields.__si_common.__first.__piduid.si_pid |
| 149 | #define si_uid __si_fields.__si_common.__first.__piduid.si_uid |
| 150 | #define si_status __si_fields.__si_common.__second.__sigchld.si_status |
| 151 | #define si_utime __si_fields.__si_common.__second.__sigchld.si_utime |
| 152 | #define si_stime __si_fields.__si_common.__second.__sigchld.si_stime |
| 153 | #define si_value __si_fields.__si_common.__second.si_value |
| 154 | #define si_addr __si_fields.__sigfault.si_addr |
| 155 | #define si_addr_lsb __si_fields.__sigfault.si_addr_lsb |
| 156 | #define si_lower __si_fields.__sigfault.__first.__addr_bnd.si_lower |
| 157 | #define si_upper __si_fields.__sigfault.__first.__addr_bnd.si_upper |
| 158 | #define si_pkey __si_fields.__sigfault.__first.si_pkey |
| 159 | #define si_band __si_fields.__sigpoll.si_band |
| 160 | #define si_fd __si_fields.__sigpoll.si_fd |
| 161 | #define si_timerid __si_fields.__si_common.__first.__timer.si_timerid |
| 162 | #define si_overrun __si_fields.__si_common.__first.__timer.si_overrun |
| 163 | #define si_ptr si_value.sival_ptr |
| 164 | #define si_int si_value.sival_int |
| 165 | #define si_call_addr __si_fields.__sigsys.si_call_addr |
| 166 | #define si_syscall __si_fields.__sigsys.si_syscall |
| 167 | #define si_arch __si_fields.__sigsys.si_arch |
| 168 | |
| 169 | struct sigaction { |
| 170 | union { |
| 171 | void (*sa_handler)(int); |
| 172 | void (*sa_sigaction)(int, siginfo_t *, void *); |
| 173 | } __sa_handler; |
| 174 | sigset_t sa_mask; |
| 175 | int sa_flags; |
| 176 | void (*sa_restorer)(void); |
| 177 | }; |
| 178 | #define sa_handler __sa_handler.sa_handler |
| 179 | #define sa_sigaction __sa_handler.sa_sigaction |
| 180 | |
Jordan Demeulenaere | 2d50582 | 2022-08-11 17:20:14 +0200 | [diff] [blame] | 181 | #define SA_UNSUPPORTED 0x00000400 |
| 182 | #define SA_EXPOSE_TAGBITS 0x00000800 |
| 183 | |
Colin Cross | 07a5832 | 2022-02-08 19:45:27 -0800 | [diff] [blame] | 184 | struct sigevent { |
| 185 | union sigval sigev_value; |
| 186 | int sigev_signo; |
| 187 | int sigev_notify; |
| 188 | union { |
| 189 | char __pad[64 - 2*sizeof(int) - sizeof(union sigval)]; |
| 190 | pid_t sigev_notify_thread_id; |
| 191 | struct { |
| 192 | void (*sigev_notify_function)(union sigval); |
| 193 | pthread_attr_t *sigev_notify_attributes; |
| 194 | } __sev_thread; |
| 195 | } __sev_fields; |
| 196 | }; |
| 197 | |
| 198 | #define sigev_notify_thread_id __sev_fields.sigev_notify_thread_id |
| 199 | #define sigev_notify_function __sev_fields.__sev_thread.sigev_notify_function |
| 200 | #define sigev_notify_attributes __sev_fields.__sev_thread.sigev_notify_attributes |
| 201 | |
| 202 | #define SIGEV_SIGNAL 0 |
| 203 | #define SIGEV_NONE 1 |
| 204 | #define SIGEV_THREAD 2 |
| 205 | #define SIGEV_THREAD_ID 4 |
| 206 | |
| 207 | int __libc_current_sigrtmin(void); |
| 208 | int __libc_current_sigrtmax(void); |
| 209 | |
| 210 | #define SIGRTMIN (__libc_current_sigrtmin()) |
| 211 | #define SIGRTMAX (__libc_current_sigrtmax()) |
| 212 | |
| 213 | int kill(pid_t, int); |
| 214 | |
| 215 | int sigemptyset(sigset_t *); |
| 216 | int sigfillset(sigset_t *); |
| 217 | int sigaddset(sigset_t *, int); |
| 218 | int sigdelset(sigset_t *, int); |
| 219 | int sigismember(const sigset_t *, int); |
| 220 | |
| 221 | int sigprocmask(int, const sigset_t *__restrict, sigset_t *__restrict); |
| 222 | int sigsuspend(const sigset_t *); |
| 223 | int sigaction(int, const struct sigaction *__restrict, struct sigaction *__restrict); |
| 224 | int sigpending(sigset_t *); |
| 225 | int sigwait(const sigset_t *__restrict, int *__restrict); |
| 226 | int sigwaitinfo(const sigset_t *__restrict, siginfo_t *__restrict); |
| 227 | int sigtimedwait(const sigset_t *__restrict, siginfo_t *__restrict, const struct timespec *__restrict); |
| 228 | int sigqueue(pid_t, int, union sigval); |
| 229 | |
| 230 | int pthread_sigmask(int, const sigset_t *__restrict, sigset_t *__restrict); |
| 231 | int pthread_kill(pthread_t, int); |
| 232 | int pthread_sigqueue(pthread_t, int, union sigval); |
| 233 | |
| 234 | void psiginfo(const siginfo_t *, const char *); |
| 235 | void psignal(int, const char *); |
| 236 | |
| 237 | #endif |
| 238 | |
| 239 | #if defined(_XOPEN_SOURCE) || defined(_BSD_SOURCE) || defined(_GNU_SOURCE) |
| 240 | int killpg(pid_t, int); |
| 241 | int sigaltstack(const stack_t *__restrict, stack_t *__restrict); |
| 242 | int sighold(int); |
| 243 | int sigignore(int); |
| 244 | int siginterrupt(int, int); |
| 245 | int sigpause(int); |
| 246 | int sigrelse(int); |
| 247 | void (*sigset(int, void (*)(int)))(int); |
| 248 | #define TRAP_BRKPT 1 |
| 249 | #define TRAP_TRACE 2 |
| 250 | #define TRAP_BRANCH 3 |
| 251 | #define TRAP_HWBKPT 4 |
| 252 | #define TRAP_UNK 5 |
| 253 | #define POLL_IN 1 |
| 254 | #define POLL_OUT 2 |
| 255 | #define POLL_MSG 3 |
| 256 | #define POLL_ERR 4 |
| 257 | #define POLL_PRI 5 |
| 258 | #define POLL_HUP 6 |
| 259 | #define SS_ONSTACK 1 |
| 260 | #define SS_DISABLE 2 |
| 261 | #define SS_AUTODISARM (1U << 31) |
| 262 | #define SS_FLAG_BITS SS_AUTODISARM |
| 263 | #endif |
| 264 | |
| 265 | #if defined(_BSD_SOURCE) || defined(_GNU_SOURCE) |
| 266 | #define NSIG _NSIG |
| 267 | typedef void (*sig_t)(int); |
Jordan Demeulenaere | 2d50582 | 2022-08-11 17:20:14 +0200 | [diff] [blame] | 268 | |
| 269 | #define SYS_SECCOMP 1 |
| 270 | #define SYS_USER_DISPATCH 2 |
Colin Cross | 07a5832 | 2022-02-08 19:45:27 -0800 | [diff] [blame] | 271 | #endif |
| 272 | |
| 273 | #ifdef _GNU_SOURCE |
| 274 | typedef void (*sighandler_t)(int); |
| 275 | void (*bsd_signal(int, void (*)(int)))(int); |
| 276 | int sigisemptyset(const sigset_t *); |
| 277 | int sigorset (sigset_t *, const sigset_t *, const sigset_t *); |
| 278 | int sigandset(sigset_t *, const sigset_t *, const sigset_t *); |
| 279 | |
| 280 | #define SA_NOMASK SA_NODEFER |
| 281 | #define SA_ONESHOT SA_RESETHAND |
| 282 | #endif |
| 283 | |
| 284 | #define SIG_ERR ((void (*)(int))-1) |
| 285 | #define SIG_DFL ((void (*)(int)) 0) |
| 286 | #define SIG_IGN ((void (*)(int)) 1) |
| 287 | |
| 288 | typedef int sig_atomic_t; |
| 289 | |
| 290 | void (*signal(int, void (*)(int)))(int); |
| 291 | int raise(int); |
| 292 | |
| 293 | #if _REDIR_TIME64 |
| 294 | #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \ |
| 295 | || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \ |
| 296 | || defined(_BSD_SOURCE) |
| 297 | __REDIR(sigtimedwait, __sigtimedwait_time64); |
| 298 | #endif |
| 299 | #endif |
| 300 | |
| 301 | #ifdef __cplusplus |
| 302 | } |
| 303 | #endif |
| 304 | |
| 305 | #endif |