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 79 #define BUS_ADRALN 1 80 #define BUS_ADRERR 2 81 #define BUS_OBJERR 3 82 #define BUS_MCEERR_AR 4 83 #define BUS_MCEERR_AO 5 84 85 #define CLD_EXITED 1 86 #define CLD_KILLED 2 87 #define CLD_DUMPED 3 88 #define CLD_TRAPPED 4 89 #define CLD_STOPPED 5 90 #define CLD_CONTINUED 6 91 92 union sigval { 93 int sival_int; 94 void *sival_ptr; 95 }; 96 97 typedef struct { 98 #ifdef __SI_SWAP_ERRNO_CODE 99 int si_signo, si_code, si_errno; 100 #else 101 int si_signo, si_errno, si_code; 102 #endif 103 union { 104 char __pad[128 - 2*sizeof(int) - sizeof(long)]; 105 struct { 106 union { 107 struct { 108 pid_t si_pid; 109 uid_t si_uid; 110 } __piduid; 111 struct { 112 int si_timerid; 113 int si_overrun; 114 } __timer; 115 } __first; 116 union { 117 union sigval si_value; 118 struct { 119 int si_status; 120 clock_t si_utime, si_stime; 121 } __sigchld; 122 } __second; 123 } __si_common; 124 struct { 125 void *si_addr; 126 short si_addr_lsb; 127 union { 128 struct { 129 void *si_lower; 130 void *si_upper; 131 } __addr_bnd; 132 unsigned si_pkey; 133 } __first; 134 } __sigfault; 135 struct { 136 long si_band; 137 int si_fd; 138 } __sigpoll; 139 struct { 140 void *si_call_addr; 141 int si_syscall; 142 unsigned si_arch; 143 } __sigsys; 144 } __si_fields; 145 } siginfo_t; 146 #define si_pid __si_fields.__si_common.__first.__piduid.si_pid 147 #define si_uid __si_fields.__si_common.__first.__piduid.si_uid 148 #define si_status __si_fields.__si_common.__second.__sigchld.si_status 149 #define si_utime __si_fields.__si_common.__second.__sigchld.si_utime 150 #define si_stime __si_fields.__si_common.__second.__sigchld.si_stime 151 #define si_value __si_fields.__si_common.__second.si_value 152 #define si_addr __si_fields.__sigfault.si_addr 153 #define si_addr_lsb __si_fields.__sigfault.si_addr_lsb 154 #define si_lower __si_fields.__sigfault.__first.__addr_bnd.si_lower 155 #define si_upper __si_fields.__sigfault.__first.__addr_bnd.si_upper 156 #define si_pkey __si_fields.__sigfault.__first.si_pkey 157 #define si_band __si_fields.__sigpoll.si_band 158 #define si_fd __si_fields.__sigpoll.si_fd 159 #define si_timerid __si_fields.__si_common.__first.__timer.si_timerid 160 #define si_overrun __si_fields.__si_common.__first.__timer.si_overrun 161 #define si_ptr si_value.sival_ptr 162 #define si_int si_value.sival_int 163 #define si_call_addr __si_fields.__sigsys.si_call_addr 164 #define si_syscall __si_fields.__sigsys.si_syscall 165 #define si_arch __si_fields.__sigsys.si_arch 166 167 struct sigaction { 168 union { 169 void (*sa_handler)(int); 170 void (*sa_sigaction)(int, siginfo_t *, void *); 171 } __sa_handler; 172 sigset_t sa_mask; 173 int sa_flags; 174 void (*sa_restorer)(void); 175 }; 176 #define sa_handler __sa_handler.sa_handler 177 #define sa_sigaction __sa_handler.sa_sigaction 178 179 struct sigevent { 180 union sigval sigev_value; 181 int sigev_signo; 182 int sigev_notify; 183 union { 184 char __pad[64 - 2*sizeof(int) - sizeof(union sigval)]; 185 pid_t sigev_notify_thread_id; 186 struct { 187 void (*sigev_notify_function)(union sigval); 188 pthread_attr_t *sigev_notify_attributes; 189 } __sev_thread; 190 } __sev_fields; 191 }; 192 193 #define sigev_notify_thread_id __sev_fields.sigev_notify_thread_id 194 #define sigev_notify_function __sev_fields.__sev_thread.sigev_notify_function 195 #define sigev_notify_attributes __sev_fields.__sev_thread.sigev_notify_attributes 196 197 #define SIGEV_SIGNAL 0 198 #define SIGEV_NONE 1 199 #define SIGEV_THREAD 2 200 #define SIGEV_THREAD_ID 4 201 202 int __libc_current_sigrtmin(void); 203 int __libc_current_sigrtmax(void); 204 205 #define SIGRTMIN (__libc_current_sigrtmin()) 206 #define SIGRTMAX (__libc_current_sigrtmax()) 207 208 int kill(pid_t, int); 209 210 int sigemptyset(sigset_t *); 211 int sigfillset(sigset_t *); 212 int sigaddset(sigset_t *, int); 213 int sigdelset(sigset_t *, int); 214 int sigismember(const sigset_t *, int); 215 216 int sigprocmask(int, const sigset_t *__restrict, sigset_t *__restrict); 217 int sigsuspend(const sigset_t *); 218 int sigaction(int, const struct sigaction *__restrict, struct sigaction *__restrict); 219 int sigpending(sigset_t *); 220 int sigwait(const sigset_t *__restrict, int *__restrict); 221 int sigwaitinfo(const sigset_t *__restrict, siginfo_t *__restrict); 222 int sigtimedwait(const sigset_t *__restrict, siginfo_t *__restrict, const struct timespec *__restrict); 223 int sigqueue(pid_t, int, union sigval); 224 225 int pthread_sigmask(int, const sigset_t *__restrict, sigset_t *__restrict); 226 int pthread_kill(pthread_t, int); 227 228 void psiginfo(const siginfo_t *, const char *); 229 void psignal(int, const char *); 230 231 #endif 232 233 #if defined(_XOPEN_SOURCE) || defined(_BSD_SOURCE) || defined(_GNU_SOURCE) 234 int killpg(pid_t, int); 235 int sigaltstack(const stack_t *__restrict, stack_t *__restrict); 236 int sighold(int); 237 int sigignore(int); 238 int siginterrupt(int, int); 239 int sigpause(int); 240 int sigrelse(int); 241 void (*sigset(int, void (*)(int)))(int); 242 #define TRAP_BRKPT 1 243 #define TRAP_TRACE 2 244 #define TRAP_BRANCH 3 245 #define TRAP_HWBKPT 4 246 #define TRAP_UNK 5 247 #define POLL_IN 1 248 #define POLL_OUT 2 249 #define POLL_MSG 3 250 #define POLL_ERR 4 251 #define POLL_PRI 5 252 #define POLL_HUP 6 253 #define SS_ONSTACK 1 254 #define SS_DISABLE 2 255 #define SS_AUTODISARM (1U << 31) 256 #define SS_FLAG_BITS SS_AUTODISARM 257 #endif 258 259 #if defined(_BSD_SOURCE) || defined(_GNU_SOURCE) 260 #define NSIG _NSIG 261 typedef void (*sig_t)(int); 262 #endif 263 264 #ifdef _GNU_SOURCE 265 typedef void (*sighandler_t)(int); 266 void (*bsd_signal(int, void (*)(int)))(int); 267 int sigisemptyset(const sigset_t *); 268 int sigorset (sigset_t *, const sigset_t *, const sigset_t *); 269 int sigandset(sigset_t *, const sigset_t *, const sigset_t *); 270 271 #define SA_NOMASK SA_NODEFER 272 #define SA_ONESHOT SA_RESETHAND 273 #endif 274 275 #define SIG_ERR ((void (*)(int))-1) 276 #define SIG_DFL ((void (*)(int)) 0) 277 #define SIG_IGN ((void (*)(int)) 1) 278 279 typedef int sig_atomic_t; 280 281 void (*signal(int, void (*)(int)))(int); 282 int raise(int); 283 284 #if _REDIR_TIME64 285 #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \ 286 || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \ 287 || defined(_BSD_SOURCE) 288 __REDIR(sigtimedwait, __sigtimedwait_time64); 289 #endif 290 #endif 291 292 #ifdef __cplusplus 293 } 294 #endif 295 296 #endif 297