include/signal.h

   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_HOLD ((void (*)(int)) 2)
  31
  32 #define SIG_BLOCK     0
  33 #define SIG_UNBLOCK   1
  34 #define SIG_SETMASK   2
  35
  36 #define SI_ASYNCNL (-60)
  37 #define SI_TKILL (-6)
  38 #define SI_SIGIO (-5)
  39 #define SI_ASYNCIO (-4)
  40 #define SI_MESGQ (-3)
  41 #define SI_TIMER (-2)
  42 #define SI_QUEUE (-1)
  43 #define SI_USER 0
  44 #define SI_KERNEL 128
  45
  46 #define FPE_INTDIV 1
  47 #define FPE_INTOVF 2
  48 #define FPE_FLTDIV 3
  49 #define FPE_FLTOVF 4
  50 #define FPE_FLTUND 5
  51 #define FPE_FLTRES 6
  52 #define FPE_FLTINV 7
  53 #define FPE_FLTSUB 8
  54
  55 #define ILL_ILLOPC 1
  56 #define ILL_ILLOPN 2
  57 #define ILL_ILLADR 3
  58 #define ILL_ILLTRP 4
  59 #define ILL_PRVOPC 5
  60 #define ILL_PRVREG 6
  61 #define ILL_COPROC 7
  62 #define ILL_BADSTK 8
  63
  64 #define SEGV_MAPERR 1
  65 #define SEGV_ACCERR 2
  66 #define SEGV_BNDERR 3
  67
  68 #define BUS_ADRALN 1
  69 #define BUS_ADRERR 2
  70 #define BUS_OBJERR 3
  71 #define BUS_MCEERR_AR 4
  72 #define BUS_MCEERR_AO 5
  73
  74 #define CLD_EXITED 1
  75 #define CLD_KILLED 2
  76 #define CLD_DUMPED 3
  77 #define CLD_TRAPPED 4
  78 #define CLD_STOPPED 5
  79 #define CLD_CONTINUED 6
  80
  81 typedef struct sigaltstack stack_t;
  82
  83 union sigval {
  84         int sival_int;
  85         void *sival_ptr;
  86 };
  87
  88 typedef struct {
  89         int si_signo, si_errno, si_code;
  90         union {
  91                 char __pad[128 - 2*sizeof(int) - sizeof(long)];
  92                 struct {
  93                         union {
  94                                 struct {
  95                                         pid_t si_pid;
  96                                         uid_t si_uid;
  97                                 } __piduid;
  98                                 struct {
  99                                         int si_timerid;
 100                                         int si_overrun;
 101                                 } __timer;
 102                         } __first;
 103                         union {
 104                                 union sigval si_value;
 105                                 struct {
 106                                         int si_status;
 107                                         clock_t si_utime, si_stime;
 108                                 } __sigchld;
 109                         } __second;
 110                 } __si_common;
 111                 struct {
 112                         void *si_addr;
 113                         short si_addr_lsb;
 114                         struct {
 115                                 void *si_lower;
 116                                 void *si_upper;
 117                         } __addr_bnd;
 118                 } __sigfault;
 119                 struct {
 120                         long si_band;
 121                         int si_fd;
 122                 } __sigpoll;
 123                 struct {
 124                         void *si_call_addr;
 125                         int si_syscall;
 126                         unsigned si_arch;
 127                 } __sigsys;
 128         } __si_fields;
 129 } siginfo_t;
 130 #define si_pid     __si_fields.__si_common.__first.__piduid.si_pid
 131 #define si_uid     __si_fields.__si_common.__first.__piduid.si_uid
 132 #define si_status  __si_fields.__si_common.__second.__sigchld.si_status
 133 #define si_utime   __si_fields.__si_common.__second.__sigchld.si_utime
 134 #define si_stime   __si_fields.__si_common.__second.__sigchld.si_stime
 135 #define si_value   __si_fields.__si_common.__second.si_value
 136 #define si_addr    __si_fields.__sigfault.si_addr
 137 #define si_addr_lsb __si_fields.__sigfault.si_addr_lsb
 138 #define si_lower   __si_fields.__sigfault.__addr_bnd.si_lower
 139 #define si_upper   __si_fields.__sigfault.__addr_bnd.si_upper
 140 #define si_band    __si_fields.__sigpoll.si_band
 141 #define si_fd      __si_fields.__sigpoll.si_fd
 142 #define si_timerid __si_fields.__si_common.__first.__timer.si_timerid
 143 #define si_overrun __si_fields.__si_common.__first.__timer.si_overrun
 144 #define si_ptr     si_value.sival_ptr
 145 #define si_int     si_value.sival_int
 146 #define si_call_addr __si_fields.__sigsys.si_call_addr
 147 #define si_syscall __si_fields.__sigsys.si_syscall
 148 #define si_arch    __si_fields.__sigsys.si_arch
 149
 150 struct sigaction {
 151         union {
 152                 void (*sa_handler)(int);
 153                 void (*sa_sigaction)(int, siginfo_t *, void *);
 154         } __sa_handler;
 155         sigset_t sa_mask;
 156         int sa_flags;
 157         void (*sa_restorer)(void);
 158 };
 159 #define sa_handler   __sa_handler.sa_handler
 160 #define sa_sigaction __sa_handler.sa_sigaction
 161
 162 struct sigevent {
 163         union sigval sigev_value;
 164         int sigev_signo;
 165         int sigev_notify;
 166         void (*sigev_notify_function)(union sigval);
 167         pthread_attr_t *sigev_notify_attributes;
 168         char __pad[56-3*sizeof(long)];
 169 };
 170
 171 #define SIGEV_SIGNAL 0
 172 #define SIGEV_NONE 1
 173 #define SIGEV_THREAD 2
 174
 175 int __libc_current_sigrtmin(void);
 176 int __libc_current_sigrtmax(void);
 177
 178 #define SIGRTMIN  (__libc_current_sigrtmin())
 179 #define SIGRTMAX  (__libc_current_sigrtmax())
 180
 181 int kill(pid_t, int);
 182
 183 int sigemptyset(sigset_t *);
 184 int sigfillset(sigset_t *);
 185 int sigaddset(sigset_t *, int);
 186 int sigdelset(sigset_t *, int);
 187 int sigismember(const sigset_t *, int);
 188
 189 int sigprocmask(int, const sigset_t *__restrict, sigset_t *__restrict);
 190 int sigsuspend(const sigset_t *);
 191 int sigaction(int, const struct sigaction *__restrict, struct sigaction *__restrict);
 192 int sigpending(sigset_t *);
 193 int sigwait(const sigset_t *__restrict, int *__restrict);
 194 int sigwaitinfo(const sigset_t *__restrict, siginfo_t *__restrict);
 195 int sigtimedwait(const sigset_t *__restrict, siginfo_t *__restrict, const struct timespec *__restrict);
 196 int sigqueue(pid_t, int, const union sigval);
 197
 198 int pthread_sigmask(int, const sigset_t *__restrict, sigset_t *__restrict);
 199 int pthread_kill(pthread_t, int);
 200
 201 void psiginfo(const siginfo_t *, const char *);
 202 void psignal(int, const char *);
 203
 204 #endif
 205
 206 #if defined(_XOPEN_SOURCE) || defined(_BSD_SOURCE) || defined(_GNU_SOURCE)
 207 int killpg(pid_t, int);
 208 int sigaltstack(const stack_t *__restrict, stack_t *__restrict);
 209 int sighold(int);
 210 int sigignore(int);
 211 int siginterrupt(int, int);
 212 int sigpause(int);
 213 int sigrelse(int);
 214 void (*sigset(int, void (*)(int)))(int);
 215 #define TRAP_BRKPT 1
 216 #define TRAP_TRACE 2
 217 #define POLL_IN 1
 218 #define POLL_OUT 2
 219 #define POLL_MSG 3
 220 #define POLL_ERR 4
 221 #define POLL_PRI 5
 222 #define POLL_HUP 6
 223 #define SS_ONSTACK    1
 224 #define SS_DISABLE    2
 225 #endif
 226
 227 #if defined(_BSD_SOURCE) || defined(_GNU_SOURCE)
 228 #define NSIG _NSIG
 229 typedef void (*sig_t)(int);
 230 #endif
 231
 232 #ifdef _GNU_SOURCE
 233 typedef void (*sighandler_t)(int);
 234 void (*bsd_signal(int, void (*)(int)))(int);
 235 int sigisemptyset(const sigset_t *);
 236 int sigorset (sigset_t *, const sigset_t *, const sigset_t *);
 237 int sigandset(sigset_t *, const sigset_t *, const sigset_t *);
 238
 239 #define SA_NOMASK SA_NODEFER
 240 #define SA_ONESHOT SA_RESETHAND
 241 #endif
 242
 243 #include <bits/signal.h>
 244
 245 #define SIG_ERR  ((void (*)(int))-1)
 246 #define SIG_DFL  ((void (*)(int)) 0)
 247 #define SIG_IGN  ((void (*)(int)) 1)
 248
 249 typedef int sig_atomic_t;
 250
 251 void (*signal(int, void (*)(int)))(int);
 252 int raise(int);
 253
 254 #ifdef __cplusplus
 255 }
 256 #endif
 257
 258 #endif