include/signal.h

   1 /*-
   2  * Copyright (c) 1991, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. Neither the name of the University nor the names of its contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  *
  29  *      @(#)signal.h    8.3 (Berkeley) 3/30/94
  30  * $FreeBSD$
  31  */
  32
  33 #ifndef _SIGNAL_H_
  34 #define _SIGNAL_H_
  35
  36 #include <sys/cdefs.h>
  37 #include <sys/_types.h>
  38 #include <sys/signal.h>
  39 #if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE
  40 #include <machine/ucontext.h>
  41 #include <sys/_ucontext.h>
  42 #endif
  43
  44 #if __BSD_VISIBLE
  45 /*
  46  * XXX should enlarge these, if only to give empty names instead of bounds
  47  * errors for large signal numbers.
  48  */
  49 extern const char * const sys_signame[NSIG];
  50 extern const char * const sys_siglist[NSIG];
  51 extern const int sys_nsig;
  52 #endif
  53
  54 #if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE
  55 #ifndef _PID_T_DECLARED
  56 typedef __pid_t         pid_t;
  57 #define _PID_T_DECLARED
  58 #endif
  59 #endif
  60
  61 #if __POSIX_VISIBLE || __XSI_VISIBLE
  62 struct pthread;         /* XXX */
  63 typedef struct pthread *__pthread_t;
  64 #if !defined(_PTHREAD_T_DECLARED) && __POSIX_VISIBLE >= 200809
  65 typedef __pthread_t pthread_t;
  66 #define _PTHREAD_T_DECLARED
  67 #endif
  68 #endif /* __POSIX_VISIBLE || __XSI_VISIBLE */
  69
  70 __BEGIN_DECLS
  71 int     raise(int);
  72
  73 #if __POSIX_VISIBLE || __XSI_VISIBLE
  74 int     kill(__pid_t, int);
  75 int     pthread_kill(__pthread_t, int);
  76 int     pthread_sigmask(int, const __sigset_t * __restrict,
  77             __sigset_t * __restrict);
  78 int     sigaction(int, const struct sigaction * __restrict,
  79             struct sigaction * __restrict);
  80 int     sigaddset(sigset_t *, int);
  81 int     sigdelset(sigset_t *, int);
  82 int     sigemptyset(sigset_t *);
  83 int     sigfillset(sigset_t *);
  84 int     sigismember(const sigset_t *, int);
  85 int     sigpending(sigset_t *) __nonnull(1);
  86 int     sigprocmask(int, const sigset_t * __restrict, sigset_t * __restrict);
  87 int     sigsuspend(const sigset_t *) __nonnull(1);
  88 int     sigwait(const sigset_t * __restrict, int * __restrict) __nonnull_all;
  89 #endif
  90
  91 #if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE >= 600
  92 int     sigqueue(__pid_t, int, const union sigval);
  93
  94 struct timespec;
  95 int     sigtimedwait(const sigset_t * __restrict, siginfo_t * __restrict,
  96             const struct timespec * __restrict);
  97 int     sigwaitinfo(const sigset_t * __restrict, siginfo_t * __restrict);
  98 #endif
  99
 100 #if __XSI_VISIBLE
 101 int     killpg(__pid_t, int);
 102 int     sigaltstack(const stack_t * __restrict, stack_t * __restrict);
 103 int     sighold(int);
 104 int     sigignore(int);
 105 int     sigpause(int);
 106 int     sigrelse(int);
 107 void    (*sigset(int, void (*)(int)))(int);
 108 int     xsi_sigpause(int);
 109 #endif
 110
 111 #if __XSI_VISIBLE >= 600
 112 int     siginterrupt(int, int);
 113 #endif
 114
 115 #if __POSIX_VISIBLE >= 200809
 116 void    psignal(int, const char *);
 117 #endif
 118
 119 #if __BSD_VISIBLE
 120 int     sigblock(int);
 121 int     sigreturn(const struct __ucontext *);
 122 int     sigsetmask(int);
 123 int     sigstack(const struct sigstack *, struct sigstack *);
 124 int     sigvec(int, struct sigvec *, struct sigvec *);
 125 #endif
 126 __END_DECLS
 127
 128 #endif /* !_SIGNAL_H_ */