include/signal.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25 /*-
  26  * Copyright (c) 1991, 1993
  27  *      The Regents of the University of California.  All rights reserved.
  28  *
  29  * Redistribution and use in source and binary forms, with or without
  30  * modification, are permitted provided that the following conditions
  31  * are met:
  32  * 1. Redistributions of source code must retain the above copyright
  33  *    notice, this list of conditions and the following disclaimer.
  34  * 2. Redistributions in binary form must reproduce the above copyright
  35  *    notice, this list of conditions and the following disclaimer in the
  36  *    documentation and/or other materials provided with the distribution.
  37  * 3. All advertising materials mentioning features or use of this software
  38  *    must display the following acknowledgement:
  39  *      This product includes software developed by the University of
  40  *      California, Berkeley and its contributors.
  41  * 4. Neither the name of the University nor the names of its contributors
  42  *    may be used to endorse or promote products derived from this software
  43  *    without specific prior written permission.
  44  *
  45  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  46  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  47  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  48  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  49  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  50  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  51  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  52  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  53  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  54  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  55  * SUCH DAMAGE.
  56  *
  57  *      @(#)signal.h    8.3 (Berkeley) 3/30/94
  58  */
  59
  60 #ifndef _USER_SIGNAL_H
  61 #define _USER_SIGNAL_H
  62
  63 #include <sys/types.h>
  64 #include <sys/cdefs.h>
  65 #include <sys/signal.h>
  66
  67 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
  68 extern __const char *__const sys_signame[NSIG];
  69 extern __const char *__const sys_siglist[NSIG];
  70 #endif
  71
  72 __BEGIN_DECLS
  73 int     raise(int);
  74 #ifndef _ANSI_SOURCE
  75 int     kill(pid_t, int);
  76 int     sigaction(int, const struct sigaction *, struct sigaction *);
  77 int     sigaddset(sigset_t *, int);
  78 int     sigaltstack(const struct sigaltstack *, struct sigaltstack *);
  79 int     sigdelset(sigset_t *, int);
  80 int     sigemptyset(sigset_t *);
  81 int     sigfillset(sigset_t *);
  82 int     sigismember(const sigset_t *, int);
  83 int     sigpending(sigset_t *);
  84 int     sigprocmask(int, const sigset_t *, sigset_t *);
  85 int     sigsuspend(const sigset_t *);
  86 int     sigwait(const sigset_t *, int *);
  87 #ifndef _POSIX_SOURCE
  88 int     killpg(pid_t, int);
  89 int     sigblock(int);
  90 int     siginterrupt(int, int);
  91 int     sighold(int);
  92 int     sigrelse(int);
  93 int     sigpause(int);
  94 int     sigreturn(struct sigcontext *);
  95 int     sigsetmask(int);
  96 int     sigvec(int, struct sigvec *, struct sigvec *);
  97 void    psignal(unsigned int, const char *);
  98
  99 #endif  /* !_POSIX_SOURCE */
 100 #endif  /* !_ANSI_SOURCE */
 101 __END_DECLS
 102
 103 /* List definitions after function declarations, or Reiser cpp gets upset. */
 104 #define sigaddset(set, signo)   (*(set) |= 1 << ((signo) - 1), 0)
 105 #define sigdelset(set, signo)   (*(set) &= ~(1 << ((signo) - 1)), 0)
 106 #define sigemptyset(set)        (*(set) = 0, 0)
 107 #define sigfillset(set)         (*(set) = ~(sigset_t)0, 0)
 108 #define sigismember(set, signo) ((*(set) & (1 << ((signo) - 1))) != 0)
 109
 110 #endif  /* !_USER_SIGNAL_H */