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 void (*sigev_notify_function)(union sigval); 184 pthread_attr_t *sigev_notify_attributes; 185 char __pad[56-3*sizeof(long)]; 186 }; 187 188 #define SIGEV_SIGNAL 0 189 #define SIGEV_NONE 1 190 #define SIGEV_THREAD 2 191 192 int __libc_current_sigrtmin(void); 193 int __libc_current_sigrtmax(void); 194 195 #define SIGRTMIN (__libc_current_sigrtmin()) 196 #define SIGRTMAX (__libc_current_sigrtmax()) 197 198 int kill(pid_t, int); 199 200 int sigemptyset(sigset_t *); 201 int sigfillset(sigset_t *); 202 int sigaddset(sigset_t *, int); 203 int sigdelset(sigset_t *, int); 204 int sigismember(const sigset_t *, int); 205 206 int sigprocmask(int, const sigset_t *__restrict, sigset_t *__restrict); 207 int sigsuspend(const sigset_t *); 208 int sigaction(int, const struct sigaction *__restrict, struct sigaction *__restrict); 209 int sigpending(sigset_t *); 210 int sigwait(const sigset_t *__restrict, int *__restrict); 211 int sigwaitinfo(const sigset_t *__restrict, siginfo_t *__restrict); 212 int sigtimedwait(const sigset_t *__restrict, siginfo_t *__restrict, const struct timespec *__restrict); 213 int sigqueue(pid_t, int, const union sigval); 214 215 int pthread_sigmask(int, const sigset_t *__restrict, sigset_t *__restrict); 216 int pthread_kill(pthread_t, int); 217 218 void psiginfo(const siginfo_t *, const char *); 219 void psignal(int, const char *); 220 221 #endif 222 223 #if defined(_XOPEN_SOURCE) || defined(_BSD_SOURCE) || defined(_GNU_SOURCE) 224 int killpg(pid_t, int); 225 int sigaltstack(const stack_t *__restrict, stack_t *__restrict); 226 int sighold(int); 227 int sigignore(int); 228 int siginterrupt(int, int); 229 int sigpause(int); 230 int sigrelse(int); 231 void (*sigset(int, void (*)(int)))(int); 232 #define TRAP_BRKPT 1 233 #define TRAP_TRACE 2 234 #define POLL_IN 1 235 #define POLL_OUT 2 236 #define POLL_MSG 3 237 #define POLL_ERR 4 238 #define POLL_PRI 5 239 #define POLL_HUP 6 240 #define SS_ONSTACK 1 241 #define SS_DISABLE 2 242 #endif 243 244 #if defined(_BSD_SOURCE) || defined(_GNU_SOURCE) 245 #define NSIG _NSIG 246 typedef void (*sig_t)(int); 247 #endif 248 249 #ifdef _GNU_SOURCE 250 typedef void (*sighandler_t)(int); 251 void (*bsd_signal(int, void (*)(int)))(int); 252 int sigisemptyset(const sigset_t *); 253 int sigorset (sigset_t *, const sigset_t *, const sigset_t *); 254 int sigandset(sigset_t *, const sigset_t *, const sigset_t *); 255 256 #define SA_NOMASK SA_NODEFER 257 #define SA_ONESHOT SA_RESETHAND 258 #endif 259 260 #define SIG_ERR ((void (*)(int))-1) 261 #define SIG_DFL ((void (*)(int)) 0) 262 #define SIG_IGN ((void (*)(int)) 1) 263 264 typedef int sig_atomic_t; 265 266 void (*signal(int, void (*)(int)))(int); 267 int raise(int); 268 269 #ifdef __cplusplus 270 } 271 #endif 272 273 #endif 274