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Annotation of src/include/signal.h, Revision 1.7

1.7     ! millert     1: /*     $OpenBSD: signal.h,v 1.6 2002/02/19 19:39:36 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:
                     38: #include <sys/signal.h>
                     39:
                     40: #if !defined(_ANSI_SOURCE)
                     41: #include <sys/types.h>
                     42: #endif
                     43:
                     44: #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
                     45: extern __const char *__const sys_signame[_NSIG];
                     46: extern __const char *__const sys_siglist[_NSIG];
                     47: #endif
                     48:
                     49: __BEGIN_DECLS
1.5       millert    50: int    raise(int);
1.1       deraadt    51: #ifndef        _ANSI_SOURCE
1.5       millert    52: int    kill(pid_t, int);
                     53: int    sigaction(int, const struct sigaction *, struct sigaction *);
                     54: int    sigaddset(sigset_t *, int);
                     55: int    sigdelset(sigset_t *, int);
                     56: int    sigemptyset(sigset_t *);
                     57: int    sigfillset(sigset_t *);
                     58: int    sigismember(const sigset_t *, int);
                     59: int    sigpending(sigset_t *);
                     60: int    sigprocmask(int, const sigset_t *, sigset_t *);
                     61: int    sigsuspend(const sigset_t *);
1.1       deraadt    62:
1.6       millert    63: #if defined(__GNUC__)
1.1       deraadt    64: extern __inline int sigaddset(sigset_t *set, int signo) {
                     65:        extern int errno;
                     66:
                     67:        if (signo <= 0 || signo >= _NSIG) {
                     68:                errno = 22;                     /* EINVAL */
                     69:                return -1;
                     70:        }
                     71:        *set |= (1 << ((signo)-1));             /* sigmask(signo) */
                     72:        return (0);
                     73: }
                     74:
                     75: extern __inline int sigdelset(sigset_t *set, int signo) {
                     76:        extern int errno;
                     77:
                     78:        if (signo <= 0 || signo >= _NSIG) {
                     79:                errno = 22;                     /* EINVAL */
                     80:                return -1;
                     81:        }
                     82:        *set &= ~(1 << ((signo)-1));            /* sigmask(signo) */
                     83:        return (0);
                     84: }
                     85:
                     86: extern __inline int sigismember(const sigset_t *set, int signo) {
                     87:        extern int errno;
                     88:
                     89:        if (signo <= 0 || signo >= _NSIG) {
                     90:                errno = 22;                     /* EINVAL */
                     91:                return -1;
                     92:        }
                     93:        return ((*set & (1 << ((signo)-1))) != 0);
                     94: }
                     95: #endif
                     96:
                     97: /* List definitions after function declarations, or Reiser cpp gets upset. */
                     98: #define        sigemptyset(set)        (*(set) = 0, 0)
                     99: #define        sigfillset(set)         (*(set) = ~(sigset_t)0, 0)
                    100:
                    101: #ifndef _POSIX_SOURCE
1.5       millert   102: int    killpg(pid_t, int);
                    103: int    sigblock(int);
                    104: int    siginterrupt(int, int);
                    105: int    sigpause(int);
                    106: int    sigreturn(struct sigcontext *);
                    107: int    sigsetmask(int);
                    108: int    sigstack(const struct sigstack *, struct sigstack *);
                    109: int    sigaltstack(const struct sigaltstack *, struct sigaltstack *);
                    110: int    sigvec(int, struct sigvec *, struct sigvec *);
                    111: void   psignal(unsigned int, const char *);
                    112: int    sigwait(const sigset_t *, int *);
1.1       deraadt   113: #endif /* !_POSIX_SOURCE */
                    114: #endif /* !_ANSI_SOURCE */
                    115: __END_DECLS
                    116:
                    117: #endif /* !_USER_SIGNAL_H */