usr/include/signal.h

/*-
 * 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    8.1 (Berkeley) 6/6/93
 */

#ifndef _USER_SIGNAL_H
#define _USER_SIGNAL_H

#include <sys/types.h>
#include <sys/cdefs.h>
#include <sys/signal.h>

#if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
extern const char *const sys_signame[NSIG];
extern const char *const sys_siglist[NSIG];
#endif

__BEGIN_DECLS
int     raise __P((int));
#ifndef _ANSI_SOURCE
int     kill __P((pid_t, int));
int     sigaction __P((int, const struct sigaction *, struct sigaction *));
int     sigaddset __P((sigset_t *, int));
int     sigdelset __P((sigset_t *, int));
int     sigemptyset __P((sigset_t *));
int     sigfillset __P((sigset_t *));
int     sigismember __P((const sigset_t *, int));
int     sigpending __P((sigset_t *));
int     sigprocmask __P((int, const sigset_t *, sigset_t *));
int     sigsuspend __P((const sigset_t *));
#ifndef _POSIX_SOURCE
int     killpg __P((pid_t, int));
int     sigblock __P((int));
int     siginterrupt __P((int, int));
int     sigpause __P((int));
int     sigreturn __P((struct sigcontext *));
int     sigsetmask __P((int));
int     sigstack __P((const struct sigstack *, struct sigstack *));
int     sigvec __P((int, struct sigvec *, struct sigvec *));
void    psignal __P((unsigned int, const char *));
#endif  /* !_POSIX_SOURCE */
#endif  /* !_ANSI_SOURCE */
__END_DECLS

/* List definitions after function declarations, or Reiser cpp gets upset. */
#define sigaddset(set, signo)   (*(set) |= 1 << ((signo) - 1), 0)
#define sigdelset(set, signo)   (*(set) &= ~(1 << ((signo) - 1)), 0)
#define sigemptyset(set)        (*(set) = 0)
#define sigfillset(set)         (*(set) = ~(sigset_t)0, 0)
#define sigismember(set, signo) ((*(set) & (1 << ((signo) - 1))) != 0)

#endif  /* !_USER_SIGNAL_H */