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Annotation of src/include/signal.h, Revision 1.9

1.9     ! millert     1: /*     $OpenBSD: signal.h,v 1.8 2004/05/03 17:25:00 millert Exp $      */
1.2       niklas      2: /*     $NetBSD: signal.h,v 1.8 1996/02/29 00:04:57 jtc Exp $   */
1.1       deraadt     3:
                      4: /*-
                      5:  * Copyright (c) 1991, 1993
                      6:  *     The Regents of the University of California.  All rights reserved.
                      7:  *
                      8:  * Redistribution and use in source and binary forms, with or without
                      9:  * modification, are permitted provided that the following conditions
                     10:  * are met:
                     11:  * 1. Redistributions of source code must retain the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer.
                     13:  * 2. Redistributions in binary form must reproduce the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer in the
                     15:  *    documentation and/or other materials provided with the distribution.
1.7       millert    16:  * 3. Neither the name of the University nor the names of its contributors
1.1       deraadt    17:  *    may be used to endorse or promote products derived from this software
                     18:  *    without specific prior written permission.
                     19:  *
                     20:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     21:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     22:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     23:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     24:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     25:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     26:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     27:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     28:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     29:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     30:  * SUCH DAMAGE.
                     31:  *
                     32:  *     @(#)signal.h    8.3 (Berkeley) 3/30/94
                     33:  */
                     34:
                     35: #ifndef _USER_SIGNAL_H
                     36: #define _USER_SIGNAL_H
                     37:
1.9     ! millert    38: #include <sys/cdefs.h>
1.1       deraadt    39: #include <sys/signal.h>
                     40:
1.9     ! millert    41: #if __BSD_VISIBLE || __POSIX_VISIBLE || __XPG_VISIBLE
1.1       deraadt    42: #include <sys/types.h>
                     43: #endif
                     44:
1.9     ! millert    45: #if __BSD_VISIBLE
1.1       deraadt    46: extern __const char *__const sys_signame[_NSIG];
                     47: extern __const char *__const sys_siglist[_NSIG];
                     48: #endif
                     49:
                     50: __BEGIN_DECLS
1.5       millert    51: int    raise(int);
1.9     ! millert    52: #if __BSD_VISIBLE || __POSIX_VISIBLE || __XPG_VISIBLE
1.8       millert    53: void   (*bsd_signal(int, void (*)(int)))(int);
1.5       millert    54: int    kill(pid_t, int);
                     55: int    sigaction(int, const struct sigaction *, struct sigaction *);
                     56: int    sigaddset(sigset_t *, int);
                     57: int    sigdelset(sigset_t *, int);
                     58: int    sigemptyset(sigset_t *);
                     59: int    sigfillset(sigset_t *);
                     60: int    sigismember(const sigset_t *, int);
                     61: int    sigpending(sigset_t *);
                     62: int    sigprocmask(int, const sigset_t *, sigset_t *);
                     63: int    sigsuspend(const sigset_t *);
1.1       deraadt    64:
1.6       millert    65: #if defined(__GNUC__)
1.1       deraadt    66: extern __inline int sigaddset(sigset_t *set, int signo) {
                     67:        extern int errno;
                     68:
                     69:        if (signo <= 0 || signo >= _NSIG) {
                     70:                errno = 22;                     /* EINVAL */
                     71:                return -1;
                     72:        }
                     73:        *set |= (1 << ((signo)-1));             /* sigmask(signo) */
                     74:        return (0);
                     75: }
                     76:
                     77: extern __inline int sigdelset(sigset_t *set, int signo) {
                     78:        extern int errno;
                     79:
                     80:        if (signo <= 0 || signo >= _NSIG) {
                     81:                errno = 22;                     /* EINVAL */
                     82:                return -1;
                     83:        }
                     84:        *set &= ~(1 << ((signo)-1));            /* sigmask(signo) */
                     85:        return (0);
                     86: }
                     87:
                     88: extern __inline int sigismember(const sigset_t *set, int signo) {
                     89:        extern int errno;
                     90:
                     91:        if (signo <= 0 || signo >= _NSIG) {
                     92:                errno = 22;                     /* EINVAL */
                     93:                return -1;
                     94:        }
                     95:        return ((*set & (1 << ((signo)-1))) != 0);
                     96: }
                     97: #endif
                     98:
                     99: /* List definitions after function declarations, or Reiser cpp gets upset. */
                    100: #define        sigemptyset(set)        (*(set) = 0, 0)
                    101: #define        sigfillset(set)         (*(set) = ~(sigset_t)0, 0)
                    102:
1.9     ! millert   103: #if __BSD_VISIBLE || __XPG_VISIBLE >= 420
1.5       millert   104: int    killpg(pid_t, int);
                    105: int    siginterrupt(int, int);
                    106: int    sigpause(int);
                    107: int    sigreturn(struct sigcontext *);
                    108: int    sigstack(const struct sigstack *, struct sigstack *);
                    109: int    sigaltstack(const struct sigaltstack *, struct sigaltstack *);
1.9     ! millert   110: #if __BSD_VISIBLE
        !           111: void   psignal(unsigned int, const char *);
        !           112: int    sigblock(int);
        !           113: int    sigsetmask(int);
1.5       millert   114: int    sigvec(int, struct sigvec *, struct sigvec *);
1.9     ! millert   115: #endif
        !           116: #if __BSD_VISIBLE ||  __POSIX_VISIBLE >= 199309 || __XPG_VISIBLE >= 500
1.5       millert   117: int    sigwait(const sigset_t *, int *);
1.9     ! millert   118: #endif
        !           119: #endif /* __BSD_VISIBLE || __XPG_VISIBLE >= 420 */
        !           120: #endif /* __BSD_VISIBLE || __POSIX_VISIBLE || __XPG_VISIBLE */
1.1       deraadt   121: __END_DECLS
                    122:
                    123: #endif /* !_USER_SIGNAL_H */