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Annotation of src/include/signal.h, Revision 1.1

1.1     ! deraadt     1: /*     $NetBSD: signal.h,v 1.7 1995/05/28 03:10:06 jtc Exp $   */
        !             2:
        !             3: /*-
        !             4:  * Copyright (c) 1991, 1993
        !             5:  *     The Regents of the University of California.  All rights reserved.
        !             6:  *
        !             7:  * Redistribution and use in source and binary forms, with or without
        !             8:  * modification, are permitted provided that the following conditions
        !             9:  * are met:
        !            10:  * 1. Redistributions of source code must retain the above copyright
        !            11:  *    notice, this list of conditions and the following disclaimer.
        !            12:  * 2. Redistributions in binary form must reproduce the above copyright
        !            13:  *    notice, this list of conditions and the following disclaimer in the
        !            14:  *    documentation and/or other materials provided with the distribution.
        !            15:  * 3. All advertising materials mentioning features or use of this software
        !            16:  *    must display the following acknowledgement:
        !            17:  *     This product includes software developed by the University of
        !            18:  *     California, Berkeley and its contributors.
        !            19:  * 4. Neither the name of the University nor the names of its contributors
        !            20:  *    may be used to endorse or promote products derived from this software
        !            21:  *    without specific prior written permission.
        !            22:  *
        !            23:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            24:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            25:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            26:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            27:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            28:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            29:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            30:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            31:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            32:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            33:  * SUCH DAMAGE.
        !            34:  *
        !            35:  *     @(#)signal.h    8.3 (Berkeley) 3/30/94
        !            36:  */
        !            37:
        !            38: #ifndef _USER_SIGNAL_H
        !            39: #define _USER_SIGNAL_H
        !            40:
        !            41: #include <sys/cdefs.h>
        !            42: #include <sys/signal.h>
        !            43:
        !            44: #if !defined(_ANSI_SOURCE)
        !            45: #include <sys/types.h>
        !            46: #endif
        !            47:
        !            48: #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
        !            49: extern __const char *__const sys_signame[_NSIG];
        !            50: extern __const char *__const sys_siglist[_NSIG];
        !            51: #endif
        !            52:
        !            53: __BEGIN_DECLS
        !            54: int    raise __P((int));
        !            55: #ifndef        _ANSI_SOURCE
        !            56: int    kill __P((pid_t, int));
        !            57: int    sigaction __P((int, const struct sigaction *, struct sigaction *));
        !            58: int    sigaddset __P((sigset_t *, int));
        !            59: int    sigdelset __P((sigset_t *, int));
        !            60: int    sigemptyset __P((sigset_t *));
        !            61: int    sigfillset __P((sigset_t *));
        !            62: int    sigismember __P((const sigset_t *, int));
        !            63: int    sigpending __P((sigset_t *));
        !            64: int    sigprocmask __P((int, const sigset_t *, sigset_t *));
        !            65: int    sigsuspend __P((const sigset_t *));
        !            66:
        !            67: #if defined(__GNUC__) && defined(__STDC__)
        !            68: extern __inline int sigaddset(sigset_t *set, int signo) {
        !            69:        extern int errno;
        !            70:
        !            71:        if (signo <= 0 || signo >= _NSIG) {
        !            72:                errno = 22;                     /* EINVAL */
        !            73:                return -1;
        !            74:        }
        !            75:        *set |= (1 << ((signo)-1));             /* sigmask(signo) */
        !            76:        return (0);
        !            77: }
        !            78:
        !            79: extern __inline int sigdelset(sigset_t *set, int signo) {
        !            80:        extern int errno;
        !            81:
        !            82:        if (signo <= 0 || signo >= _NSIG) {
        !            83:                errno = 22;                     /* EINVAL */
        !            84:                return -1;
        !            85:        }
        !            86:        *set &= ~(1 << ((signo)-1));            /* sigmask(signo) */
        !            87:        return (0);
        !            88: }
        !            89:
        !            90: extern __inline int sigismember(const sigset_t *set, int signo) {
        !            91:        extern int errno;
        !            92:
        !            93:        if (signo <= 0 || signo >= _NSIG) {
        !            94:                errno = 22;                     /* EINVAL */
        !            95:                return -1;
        !            96:        }
        !            97:        return ((*set & (1 << ((signo)-1))) != 0);
        !            98: }
        !            99: #endif
        !           100:
        !           101: /* List definitions after function declarations, or Reiser cpp gets upset. */
        !           102: #define        sigemptyset(set)        (*(set) = 0, 0)
        !           103: #define        sigfillset(set)         (*(set) = ~(sigset_t)0, 0)
        !           104:
        !           105: #ifndef _POSIX_SOURCE
        !           106: int    killpg __P((pid_t, int));
        !           107: int    sigblock __P((int));
        !           108: int    siginterrupt __P((int, int));
        !           109: int    sigpause __P((int));
        !           110: int    sigreturn __P((struct sigcontext *));
        !           111: int    sigsetmask __P((int));
        !           112: int    sigstack __P((const struct sigstack *, struct sigstack *));
        !           113: int    sigvec __P((int, struct sigvec *, struct sigvec *));
        !           114: void   psignal __P((unsigned int, const char *));
        !           115: #endif /* !_POSIX_SOURCE */
        !           116: #endif /* !_ANSI_SOURCE */
        !           117: __END_DECLS
        !           118:
        !           119: #endif /* !_USER_SIGNAL_H */