/* $NetBSD: signal.h,v 1.21 2000/12/18 21:21:26 christos Exp $ */ /*- * Copyright (c) 1991, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)signal.h 8.3 (Berkeley) 3/30/94 */ #ifndef _SIGNAL_H_ #define _SIGNAL_H_ #include #include #if !defined(_ANSI_SOURCE) #include #endif #include #if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) && \ !defined(_XOPEN_SOURCE) extern __const char *__const *sys_signame __RENAME(__sys_signame14); #ifndef __SYS_SIGLIST_DECLARED #define __SYS_SIGLIST_DECLARED /* also in unistd.h */ extern __const char *__const *sys_siglist __RENAME(__sys_siglist14); #endif /* __SYS_SIGLIST_DECLARED */ extern __const int sys_nsig __RENAME(__sys_nsig14); #endif __BEGIN_DECLS int raise __P((int)); #ifndef _ANSI_SOURCE int kill __P((pid_t, int)); #ifdef __LIBC12_SOURCE__ int sigaction __P((int, const struct sigaction13 *, struct sigaction13 *)); int __sigaction14 __P((int, const struct sigaction *, struct sigaction *)); int sigaddset __P((sigset13_t *, int)); int __sigaddset14 __P((sigset_t *, int)); int sigdelset __P((sigset13_t *, int)); int __sigdelset14 __P((sigset_t *, int)); int sigemptyset __P((sigset13_t *)); int __sigemptyset14 __P((sigset_t *)); int sigfillset __P((sigset13_t *)); int __sigfillset14 __P((sigset_t *)); int sigismember __P((const sigset13_t *, int)); int __sigismember14 __P((const sigset_t *, int)); int sigpending __P((sigset13_t *)); int __sigpending14 __P((sigset_t *)); int sigprocmask __P((int, const sigset13_t *, sigset13_t *)); int __sigprocmask14 __P((int, const sigset_t *, sigset_t *)); int sigsuspend __P((const sigset13_t *)); int __sigsuspend14 __P((const sigset_t *)); #else /* !__LIBC12_SOURCE__ */ int sigaction __P((int, const struct sigaction *, struct sigaction *)) __RENAME(__sigaction14); int sigaddset __P((sigset_t *, int)) __RENAME(__sigaddset14); int sigdelset __P((sigset_t *, int)) __RENAME(__sigdelset14); int sigemptyset __P((sigset_t *)) __RENAME(__sigemptyset14); int sigfillset __P((sigset_t *)) __RENAME(__sigfillset14); int sigismember __P((const sigset_t *, int)) __RENAME(__sigismember14); int sigpending __P((sigset_t *)) __RENAME(__sigpending14); int sigprocmask __P((int, const sigset_t *, sigset_t *)) __RENAME(__sigprocmask14); int sigsuspend __P((const sigset_t *)) __RENAME(__sigsuspend14); #if defined(__GNUC__) && defined(__STDC__) #ifndef errno int *__errno __P((void)); #define errno (*__errno()) #endif extern __inline int sigaddset(sigset_t *set, int signo) { if (signo <= 0 || signo >= _NSIG) { errno = 22; /* EINVAL */ return (-1); } __sigaddset(set, signo); return (0); } extern __inline int sigdelset(sigset_t *set, int signo) { if (signo <= 0 || signo >= _NSIG) { errno = 22; /* EINVAL */ return (-1); } __sigdelset(set, signo); return (0); } extern __inline int sigismember(const sigset_t *set, int signo) { if (signo <= 0 || signo >= _NSIG) { errno = 22; /* EINVAL */ return (-1); } return (__sigismember(set, signo)); } #endif /* __GNUC__ && __STDC__ */ /* List definitions after function declarations, or Reiser cpp gets upset. */ #define sigemptyset(set) (__sigemptyset(set), /*LINTED*/0) #define sigfillset(set) (__sigfillset(set), /*LINTED*/ 0) #endif /* !__LIBC12_SOURCE__ */ #if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \ (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \ (_XOPEN_SOURCE - 0) >= 500 int killpg __P((pid_t, int)); int siginterrupt __P((int, int)); int sigpause __P((int)); int sigstack __P((const struct sigstack *, struct sigstack *)); #ifdef __LIBC12_SOURCE__ int sigaltstack __P((const struct sigaltstack13 *, struct sigaltstack13 *)); int __sigaltstack14 __P((const stack_t *, stack_t *)); #else int sigaltstack __P((const stack_t *, stack_t *)) __RENAME(__sigaltstack14); #endif #endif /* (!_POSIX_C_SOURCE && !_XOPEN_SOURCE) || ... */ #if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE) #ifndef __PSIGNAL_DECLARED #define __PSIGNAL_DECLARED /* also in unistd.h */ void psignal __P((unsigned int, const char *)); #endif /* __PSIGNAL_DECLARED */ int sigblock __P((int)); #ifdef __LIBC12_SOURCE__ int sigreturn __P((struct sigcontext13 *)); int __sigreturn14 __P((struct sigcontext *)); #else int sigreturn __P((struct sigcontext *)) __RENAME(__sigreturn14); #endif int sigsetmask __P((int)); int sigvec __P((int, struct sigvec *, struct sigvec *)); #endif /* !_POSIX_C_SOURCE && !_XOPEN_SOURCE */ #endif /* !_ANSI_SOURCE */ __END_DECLS #endif /* !_SIGNAL_H_ */