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signal.h revision 1.21
      1  1.21  christos /*	$NetBSD: signal.h,v 1.21 2000/12/18 21:21:26 christos Exp $	*/
      2   1.3       cgd 
      3   1.1       cgd /*-
      4   1.1       cgd  * Copyright (c) 1991, 1993
      5   1.1       cgd  *	The Regents of the University of California.  All rights reserved.
      6   1.1       cgd  *
      7   1.1       cgd  * Redistribution and use in source and binary forms, with or without
      8   1.1       cgd  * modification, are permitted provided that the following conditions
      9   1.1       cgd  * are met:
     10   1.1       cgd  * 1. Redistributions of source code must retain the above copyright
     11   1.1       cgd  *    notice, this list of conditions and the following disclaimer.
     12   1.1       cgd  * 2. Redistributions in binary form must reproduce the above copyright
     13   1.1       cgd  *    notice, this list of conditions and the following disclaimer in the
     14   1.1       cgd  *    documentation and/or other materials provided with the distribution.
     15   1.1       cgd  * 3. All advertising materials mentioning features or use of this software
     16   1.1       cgd  *    must display the following acknowledgement:
     17   1.1       cgd  *	This product includes software developed by the University of
     18   1.1       cgd  *	California, Berkeley and its contributors.
     19   1.1       cgd  * 4. Neither the name of the University nor the names of its contributors
     20   1.1       cgd  *    may be used to endorse or promote products derived from this software
     21   1.1       cgd  *    without specific prior written permission.
     22   1.1       cgd  *
     23   1.1       cgd  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24   1.1       cgd  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25   1.1       cgd  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26   1.1       cgd  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27   1.1       cgd  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28   1.1       cgd  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29   1.1       cgd  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30   1.1       cgd  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31   1.1       cgd  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32   1.1       cgd  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33   1.1       cgd  * SUCH DAMAGE.
     34   1.1       cgd  *
     35   1.1       cgd  *	@(#)signal.h	8.3 (Berkeley) 3/30/94
     36   1.1       cgd  */
     37   1.1       cgd 
     38  1.12    kleink #ifndef _SIGNAL_H_
     39  1.12    kleink #define _SIGNAL_H_
     40   1.1       cgd 
     41   1.1       cgd #include <sys/cdefs.h>
     42  1.12    kleink #include <sys/featuretest.h>
     43   1.1       cgd 
     44   1.5       jtc #if !defined(_ANSI_SOURCE)
     45   1.5       jtc #include <sys/types.h>
     46   1.5       jtc #endif
     47   1.9    kleink 
     48   1.9    kleink #include <sys/signal.h>
     49   1.5       jtc 
     50  1.12    kleink #if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) && \
     51  1.12    kleink     !defined(_XOPEN_SOURCE)
     52  1.19   thorpej extern __const char *__const *sys_signame __RENAME(__sys_signame14);
     53  1.21  christos #ifndef __SYS_SIGLIST_DECLARED
     54  1.21  christos #define __SYS_SIGLIST_DECLARED
     55  1.21  christos /* also in unistd.h */
     56  1.19   thorpej extern __const char *__const *sys_siglist __RENAME(__sys_siglist14);
     57  1.21  christos #endif /* __SYS_SIGLIST_DECLARED */
     58  1.19   thorpej extern __const int sys_nsig __RENAME(__sys_nsig14);
     59   1.1       cgd #endif
     60   1.1       cgd 
     61   1.1       cgd __BEGIN_DECLS
     62   1.1       cgd int	raise __P((int));
     63   1.1       cgd #ifndef	_ANSI_SOURCE
     64   1.1       cgd int	kill __P((pid_t, int));
     65  1.13   mycroft 
     66  1.15   thorpej #ifdef __LIBC12_SOURCE__
     67  1.13   mycroft int	sigaction __P((int, const struct sigaction13 *, struct sigaction13 *));
     68  1.13   mycroft int	__sigaction14 __P((int, const struct sigaction *, struct sigaction *));
     69  1.13   mycroft int	sigaddset __P((sigset13_t *, int));
     70  1.13   mycroft int	__sigaddset14 __P((sigset_t *, int));
     71  1.13   mycroft int	sigdelset __P((sigset13_t *, int));
     72  1.13   mycroft int	__sigdelset14 __P((sigset_t *, int));
     73  1.13   mycroft int	sigemptyset __P((sigset13_t *));
     74  1.13   mycroft int	__sigemptyset14 __P((sigset_t *));
     75  1.13   mycroft int	sigfillset __P((sigset13_t *));
     76  1.13   mycroft int	__sigfillset14 __P((sigset_t *));
     77  1.13   mycroft int	sigismember __P((const sigset13_t *, int));
     78  1.13   mycroft int	__sigismember14 __P((const sigset_t *, int));
     79  1.13   mycroft int	sigpending __P((sigset13_t *));
     80  1.13   mycroft int	__sigpending14 __P((sigset_t *));
     81  1.13   mycroft int	sigprocmask __P((int, const sigset13_t *, sigset13_t *));
     82  1.13   mycroft int	__sigprocmask14 __P((int, const sigset_t *, sigset_t *));
     83  1.13   mycroft int	sigsuspend __P((const sigset13_t *));
     84  1.13   mycroft int	__sigsuspend14 __P((const sigset_t *));
     85  1.15   thorpej #else /* !__LIBC12_SOURCE__ */
     86  1.13   mycroft int	sigaction __P((int, const struct sigaction *, struct sigaction *)) __RENAME(__sigaction14);
     87  1.13   mycroft int	sigaddset __P((sigset_t *, int)) __RENAME(__sigaddset14);
     88  1.13   mycroft int	sigdelset __P((sigset_t *, int)) __RENAME(__sigdelset14);
     89  1.13   mycroft int	sigemptyset __P((sigset_t *)) __RENAME(__sigemptyset14);
     90  1.13   mycroft int	sigfillset __P((sigset_t *)) __RENAME(__sigfillset14);
     91  1.13   mycroft int	sigismember __P((const sigset_t *, int)) __RENAME(__sigismember14);
     92  1.13   mycroft int	sigpending __P((sigset_t *)) __RENAME(__sigpending14);
     93  1.13   mycroft int	sigprocmask __P((int, const sigset_t *, sigset_t *)) __RENAME(__sigprocmask14);
     94  1.13   mycroft int	sigsuspend __P((const sigset_t *)) __RENAME(__sigsuspend14);
     95   1.4       jtc 
     96   1.4       jtc #if defined(__GNUC__) && defined(__STDC__)
     97  1.21  christos #ifndef errno
     98  1.21  christos int *__errno __P((void));
     99  1.21  christos #define errno (*__errno())
    100  1.21  christos #endif
    101  1.14   mycroft extern __inline int
    102  1.14   mycroft sigaddset(sigset_t *set, int signo)
    103  1.14   mycroft {
    104   1.6       jtc 	if (signo <= 0 || signo >= _NSIG) {
    105   1.4       jtc 		errno = 22;			/* EINVAL */
    106  1.14   mycroft 		return (-1);
    107   1.4       jtc 	}
    108  1.13   mycroft 	__sigaddset(set, signo);
    109   1.4       jtc 	return (0);
    110   1.4       jtc }
    111   1.4       jtc 
    112  1.14   mycroft extern __inline int
    113  1.14   mycroft sigdelset(sigset_t *set, int signo)
    114  1.14   mycroft {
    115   1.6       jtc 	if (signo <= 0 || signo >= _NSIG) {
    116   1.4       jtc 		errno = 22;			/* EINVAL */
    117  1.14   mycroft 		return (-1);
    118   1.4       jtc 	}
    119  1.13   mycroft 	__sigdelset(set, signo);
    120   1.4       jtc 	return (0);
    121   1.4       jtc }
    122   1.4       jtc 
    123  1.14   mycroft extern __inline int
    124  1.14   mycroft sigismember(const sigset_t *set, int signo)
    125  1.14   mycroft {
    126   1.6       jtc 	if (signo <= 0 || signo >= _NSIG) {
    127   1.4       jtc 		errno = 22;			/* EINVAL */
    128  1.14   mycroft 		return (-1);
    129   1.4       jtc 	}
    130  1.13   mycroft 	return (__sigismember(set, signo));
    131   1.4       jtc }
    132  1.13   mycroft #endif /* __GNUC__ && __STDC__ */
    133   1.4       jtc 
    134   1.4       jtc /* List definitions after function declarations, or Reiser cpp gets upset. */
    135  1.20  christos #define	sigemptyset(set)	(__sigemptyset(set), /*LINTED*/0)
    136  1.20  christos #define	sigfillset(set)		(__sigfillset(set), /*LINTED*/ 0)
    137  1.15   thorpej #endif /* !__LIBC12_SOURCE__ */
    138   1.5       jtc 
    139  1.12    kleink #if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \
    140  1.12    kleink     (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \
    141  1.12    kleink     (_XOPEN_SOURCE - 0) >= 500
    142   1.1       cgd int	killpg __P((pid_t, int));
    143   1.1       cgd int	siginterrupt __P((int, int));
    144   1.1       cgd int	sigpause __P((int));
    145   1.1       cgd int	sigstack __P((const struct sigstack *, struct sigstack *));
    146  1.11    kleink #ifdef __LIBC12_SOURCE__
    147  1.11    kleink int	sigaltstack __P((const struct sigaltstack13 *, struct sigaltstack13 *));
    148  1.11    kleink int	__sigaltstack14 __P((const stack_t *, stack_t *));
    149  1.11    kleink #else
    150  1.11    kleink int	sigaltstack __P((const stack_t *, stack_t *)) __RENAME(__sigaltstack14);
    151  1.11    kleink #endif
    152  1.12    kleink #endif /* (!_POSIX_C_SOURCE && !_XOPEN_SOURCE) || ... */
    153  1.12    kleink 
    154  1.12    kleink #if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)
    155  1.21  christos #ifndef __PSIGNAL_DECLARED
    156  1.21  christos #define __PSIGNAL_DECLARED
    157  1.21  christos /* also in unistd.h */
    158  1.12    kleink void	psignal __P((unsigned int, const char *));
    159  1.21  christos #endif /* __PSIGNAL_DECLARED */
    160  1.12    kleink int	sigblock __P((int));
    161  1.15   thorpej #ifdef __LIBC12_SOURCE__
    162  1.13   mycroft int	sigreturn __P((struct sigcontext13 *));
    163  1.13   mycroft int	__sigreturn14 __P((struct sigcontext *));
    164  1.13   mycroft #else
    165  1.13   mycroft int	sigreturn __P((struct sigcontext *)) __RENAME(__sigreturn14);
    166  1.13   mycroft #endif
    167  1.12    kleink int	sigsetmask __P((int));
    168  1.12    kleink int	sigvec __P((int, struct sigvec *, struct sigvec *));
    169  1.12    kleink #endif /* !_POSIX_C_SOURCE && !_XOPEN_SOURCE */
    170  1.12    kleink 
    171   1.1       cgd #endif	/* !_ANSI_SOURCE */
    172   1.1       cgd __END_DECLS
    173   1.1       cgd 
    174  1.12    kleink #endif	/* !_SIGNAL_H_ */
    175