/*

 * CDDL HEADER START

 *

 * The contents of this file are subject to the terms of the

 * Common Development and Distribution License, Version 1.0 only

 * (the "License").  You may not use this file except in compliance

 * with the License.

 *

 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE

 * or http://www.opensolaris.org/os/licensing.

 * See the License for the specific language governing permissions

 * and limitations under the License.

 *

 * When distributing Covered Code, include this CDDL HEADER in each

 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.

 * If applicable, add the following below this CDDL HEADER, with the

 * fields enclosed by brackets "[]" replaced with your own identifying

 * information: Portions Copyright [yyyy] [name of copyright owner]

 *

 * CDDL HEADER END

 */

/*	Copyright (c) 1988 AT&T	*/

/*	  All Rights Reserved  	*/

/*

 * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.

 * Use is subject to license terms.

 */

#ifndef _SIGNAL_H

#define	_SIGNAL_H

#pragma ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.5.3.4 */

#include <sys/feature_tests.h>

#if defined(__EXTENSIONS__) || !defined(_STRICT_STDC) || \

	defined(__XOPEN_OR_POSIX)

#include <sys/types.h>	/* need pid_t/uid_t/size_t/clock_t/caddr_t/pthread_t */

#endif

#include <iso/signal_iso.h>

#include <sys/signal.h>

/*

 * Allow global visibility for symbols defined in

 * C++ "std" namespace in <iso/signal_iso.h>.

 */

#if __cplusplus >= 199711L

using std::sig_atomic_t;

using std::signal;

using std::raise;

#endif

#ifdef	__cplusplus

extern "C" {

#endif

#if defined(__STDC__)

extern const char	**_sys_siglistp;	/* signal descriptions */

extern const int	_sys_siglistn;		/* # of signal descriptions */

#if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX)

#define	_sys_siglist	_sys_siglistp

#define	_sys_nsig	_sys_siglistn

#endif

#if defined(__EXTENSIONS__) || !defined(_STRICT_STDC) || \

	defined(__XOPEN_OR_POSIX)

extern int kill(pid_t, int);

extern int sigaction(int, const struct sigaction *_RESTRICT_KYWD,

	struct sigaction *_RESTRICT_KYWD);

#ifndef	_KERNEL

extern int sigaddset(sigset_t *, int);

extern int sigdelset(sigset_t *, int);

extern int sigemptyset(sigset_t *);

extern int sigfillset(sigset_t *);

extern int sigismember(const sigset_t *, int);

#endif

extern int sigpending(sigset_t *);

extern int sigprocmask(int, const sigset_t *_RESTRICT_KYWD,

	sigset_t *_RESTRICT_KYWD);

extern int sigsuspend(const sigset_t *);

#endif /* defined(__EXTENSIONS__) || !defined(_STRICT_STDC)... */

#if defined(__EXTENSIONS__) || (!defined(_STRICT_STDC) && \

	!defined(__XOPEN_OR_POSIX))

#include <sys/procset.h>

extern int gsignal(int);

extern int (*ssignal(int, int (*)(int)))(int);

extern int sigsend(idtype_t, id_t, int);

extern int sigsendset(const procset_t *, int);

extern int sig2str(int, char *);

extern int str2sig(const char *, int *);

#define	SIG2STR_MAX	32

#endif /* defined(__EXTENSIONS__) || (!defined(_STRICT_STDC)... */

#if defined(__EXTENSIONS__) || (!defined(_STRICT_STDC) && \

	!defined(__XOPEN_OR_POSIX)) || defined(_XPG4_2)

extern void (*bsd_signal(int, void (*)(int)))(int);

extern int killpg(pid_t, int);

extern int siginterrupt(int, int);

extern int sigaltstack(const stack_t *_RESTRICT_KYWD, stack_t *_RESTRICT_KYWD);

extern int sighold(int);

extern int sigignore(int);

extern int sigpause(int);

extern int sigrelse(int);

extern void (*sigset(int, void (*)(int)))(int);

#endif /* defined(__EXTENSIONS__) || (!defined(_STRICT_STDC) && ... */

/* Marked as LEGACY in SUSv2 and removed in SUSv3 */

#if defined(__EXTENSIONS__) || \

	(!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \

	(defined(_XPG4_2) && !defined(_XPG6))

extern int sigstack(struct sigstack *, struct sigstack *);

#endif

#if defined(__EXTENSIONS__) || (!defined(_STRICT_STDC) && \

	!defined(__XOPEN_OR_POSIX)) || (_POSIX_C_SOURCE > 2)

#include <sys/siginfo.h>

#include <time.h>

extern int pthread_kill(pthread_t, int);

extern int pthread_sigmask(int, const sigset_t *_RESTRICT_KYWD,

	sigset_t *_RESTRICT_KYWD);

extern int sigwaitinfo(const sigset_t *_RESTRICT_KYWD,

	siginfo_t *_RESTRICT_KYWD);

extern int sigtimedwait(const sigset_t *_RESTRICT_KYWD,

	siginfo_t *_RESTRICT_KYWD, const struct timespec *_RESTRICT_KYWD);

extern int sigqueue(pid_t, int, const union sigval);

#endif /* defined(__EXTENSIONS__) || (!defined(_STRICT_STDC) && */

#else	/* __STDC__ */

extern char	**_sys_siglistp;	/* signal descriptions */

extern int	_sys_siglistn;		/* # of signal descriptions */

#if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX)

#define	_sys_siglist	_sys_siglistp

#define	_sys_nsig	_sys_siglistn

#endif

#if defined(__EXTENSIONS__) || defined(__XOPEN_OR_POSIX)

extern int kill();

extern int sigaction();

#ifndef	_KERNEL

extern int sigaddset();

extern int sigdelset();

extern int sigemptyset();

extern int sigfillset();

extern int sigismember();

#endif

extern int sigpending();

extern int sigprocmask();

extern int sigsuspend();

#endif /* defined(__EXTENSIONS__)... */

#if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) || \

	defined(_XPG4_2)

extern void (*bsd_signal())();

extern int killpg();

extern int siginterrupt();

#endif /* defined(__EXTENSIONS__) ... */

#if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) || \

	(defined(_XPG4_2) && !defined(_XPG6))

extern int sigstack();

#endif

#if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX)

extern int gsignal();

extern int (*ssignal)();

extern int sigsend();

extern int sigsendset();

extern int sig2str();

extern int str2sig();

#define	SIG2STR_MAX	32

#endif

#if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) || \

	defined(_XPG4_2)

extern int sigaltstack();

extern int sighold();

extern int sigignore();

extern int sigpause();

extern int sigrelse();

extern void (*sigset())();

#endif

#if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) || \

	(_POSIX_C_SOURCE > 2)

#include <sys/siginfo.h>

#include <sys/time.h>

extern int pthread_kill();

extern int pthread_sigmask();

extern int sigwaitinfo();

extern int sigtimedwait();

extern int sigqueue();

#endif

#endif	/* __STDC__ */

/*

 * sigwait() prototype is defined here.

 */

#if	defined(__EXTENSIONS__) || (!defined(_STRICT_STDC) && \

	!defined(__XOPEN_OR_POSIX)) || (_POSIX_C_SOURCE - 0 >= 199506L) || \

	defined(_POSIX_PTHREAD_SEMANTICS)

#if	defined(__STDC__)

#if	(_POSIX_C_SOURCE - 0 >= 199506L) || defined(_POSIX_PTHREAD_SEMANTICS)

#ifdef __PRAGMA_REDEFINE_EXTNAME

#pragma redefine_extname sigwait __posix_sigwait

extern int sigwait(const sigset_t *_RESTRICT_KYWD, int *_RESTRICT_KYWD);

#else  /* __PRAGMA_REDEFINE_EXTNAME */

extern int __posix_sigwait(const sigset_t *_RESTRICT_KYWD,

    int *_RESTRICT_KYWD);

#ifdef	__lint

#define	sigwait __posix_sigwait

#else	/* !__lint */

static int

sigwait(const sigset_t *_RESTRICT_KYWD __setp, int *_RESTRICT_KYWD __signo)

{

	return (__posix_sigwait(__setp, __signo));

}

#endif /* !__lint */

#endif /* __PRAGMA_REDEFINE_EXTNAME */

#else  /* (_POSIX_C_SOURCE - 0 >= 199506L) || ... */

extern int sigwait(sigset_t *);

#endif  /* (_POSIX_C_SOURCE - 0 >= 199506L) || ... */

#else  /* __STDC__ */

#if	(_POSIX_C_SOURCE - 0 >= 199506L) || defined(_POSIX_PTHREAD_SEMANTICS)

#ifdef __PRAGMA_REDEFINE_EXTNAME

#pragma redefine_extname sigwait __posix_sigwait

extern int sigwait();

#else  /* __PRAGMA_REDEFINE_EXTNAME */

extern int __posix_sigwait();

#ifdef	__lint

#define	sigwait __posix_sigwait

#else	/* !__lint */

static int

sigwait(__setp, __signo)

	sigset_t *__setp;

	int *__signo;

{

	return (__posix_sigwait(__setp, __signo));

}

#endif /* !__lint */

#endif /* __PRAGMA_REDEFINE_EXTNAME */

#else  /* (_POSIX_C_SOURCE - 0 >= 199506L) || ... */

extern int sigwait();

#endif /* (_POSIX_C_SOURCE - 0 >= 199506L) || ... */

#endif /* __STDC__ */

#endif /* defined(__EXTENSIONS__) || (!defined(_STRICT_STDC) ... */

#ifdef	__cplusplus

}

#endif

#endif	/* _SIGNAL_H */