 @@ -1,239 +1,241 @@
-/*	$NetBSD: signal.h,v 1.65 2009/12/09 20:26:12 drochner Exp $	*/
+/*	$NetBSD: signal.h,v 1.66 2011/01/10 04:38:37 christos Exp $	*/
 /*
  * Copyright (c) 1982, 1986, 1989, 1991, 1993
  *	The Regents of the University of California.  All rights reserved.
  * (c) UNIX System Laboratories, Inc.
  * All or some portions of this file are derived from material licensed
  * to the University of California by American Telephone and Telegraph
  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
  * the permission of UNIX System Laboratories, Inc.
+ *
  * 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. 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	8.4 (Berkeley) 5/4/95
  */
 #ifndef	_SYS_SIGNAL_H_
 #define	_SYS_SIGNAL_H_
 #include <sys/featuretest.h>
 #include <sys/sigtypes.h>
 #define _NSIG		64
 #if defined(_NETBSD_SOURCE)
 #define NSIG _NSIG
 #endif /* _NETBSD_SOURCE */
 #define	SIGHUP		1	/* hangup */
 #define	SIGINT		2	/* interrupt */
 #define	SIGQUIT		3	/* quit */
 #define	SIGILL		4	/* illegal instruction (not reset when caught) */
 #define	SIGTRAP		5	/* trace trap (not reset when caught) */
 #define	SIGABRT		6	/* abort() */
 #define	SIGIOT		SIGABRT	/* compatibility */
 #define	SIGEMT		7	/* EMT instruction */
 #define	SIGFPE		8	/* floating point exception */
 #define	SIGKILL		9	/* kill (cannot be caught or ignored) */
 #define	SIGBUS		10	/* bus error */
 #define	SIGSEGV		11	/* segmentation violation */
 #define	SIGSYS		12	/* bad argument to system call */
 #define	SIGPIPE		13	/* write on a pipe with no one to read it */
 #define	SIGALRM		14	/* alarm clock */
 #define	SIGTERM		15	/* software termination signal from kill */
 #define	SIGURG		16	/* urgent condition on IO channel */
 #define	SIGSTOP		17	/* sendable stop signal not from tty */
 #define	SIGTSTP		18	/* stop signal from tty */
 #define	SIGCONT		19	/* continue a stopped process */
 #define	SIGCHLD		20	/* to parent on child stop or exit */
 #define	SIGTTIN		21	/* to readers pgrp upon background tty read */
 #define	SIGTTOU		22	/* like TTIN for output if (tp->t_local&LTOSTOP) */
 #define	SIGIO		23	/* input/output possible signal */
 #define	SIGXCPU		24	/* exceeded CPU time limit */
 #define	SIGXFSZ		25	/* exceeded file size limit */
 #define	SIGVTALRM	26	/* virtual time alarm */
 #define	SIGPROF		27	/* profiling time alarm */
 #define	SIGWINCH	28	/* window size changes */
 #define	SIGINFO		29	/* information request */
 #define	SIGUSR1		30	/* user defined signal 1 */
 #define	SIGUSR2		31	/* user defined signal 2 */
 #define	SIGPWR		32	/* power fail/restart (not reset when caught) */
 #ifdef _KERNEL
 #define	SIGRTMIN	33	/* Kernel only; not exposed to userland yet */
 #define	SIGRTMAX	63	/* Kernel only; not exposed to userland yet */
 #endif
 #ifndef _KERNEL
 #include <sys/cdefs.h>
 #endif
 #define	SIG_DFL		((void (*)(int))  0)
 #define	SIG_IGN		((void (*)(int))  1)
 #define	SIG_ERR		((void (*)(int)) -1)
 #define	SIG_HOLD	((void (*)(int))  3)
 #if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \
     defined(_NETBSD_SOURCE)
 #ifdef _KERNEL
 #define	sigaddset(s, n)		__sigaddset(s, n)
 #define	sigdelset(s, n)		__sigdelset(s, n)
 #define	sigismember(s, n)	__sigismember(s, n)
 #define	sigemptyset(s)		__sigemptyset(s)
 #define	sigfillset(s)		__sigfillset(s)
 #define sigplusset(s, t)	__sigplusset(s, t)
 #define sigminusset(s, t)	__sigminusset(s, t)
 #endif /* _KERNEL */
 #if (_POSIX_C_SOURCE - 0) >= 199309L || (_XOPEN_SOURCE - 0) >= 500 || \
     defined(_NETBSD_SOURCE)
 #include <sys/siginfo.h>
 #endif
 #if (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \
     (_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE)
 #include <sys/ucontext.h>
 #endif /* _XOPEN_SOURCE_EXTENDED || _XOPEN_SOURCE >= 500 || _NETBSD_SOURCE */
 /*
  * Signal vector "template" used in sigaction call.
  */
 struct	sigaction {
 	union {
 		void (*_sa_handler)(int);
 #if (_POSIX_C_SOURCE - 0) >= 199309L || (_XOPEN_SOURCE - 0) >= 500 || \
     defined(_NETBSD_SOURCE)
 		void (*_sa_sigaction)(int, siginfo_t *, void *);
 #endif
 	} _sa_u;	/* signal handler */
 	sigset_t sa_mask;		/* signal mask to apply */
 	int	sa_flags;		/* see signal options below */
 };
 #define sa_handler _sa_u._sa_handler
 #if (_POSIX_C_SOURCE - 0) >= 199309L || (_XOPEN_SOURCE - 0) >= 500 || \
     defined(_NETBSD_SOURCE)
 #define sa_sigaction _sa_u._sa_sigaction
 #endif
 #include <machine/signal.h>	/* sigcontext; codes for SIGILL, SIGFPE */
 #if (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \
     (_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE)
 #define SA_ONSTACK	0x0001	/* take signal on signal stack */
 #define SA_RESTART	0x0002	/* restart system call on signal return */
 #define SA_RESETHAND	0x0004	/* reset to SIG_DFL when taking signal */
 #define SA_NODEFER	0x0010	/* don't mask the signal we're delivering */
 #endif /* _XOPEN_SOURCE_EXTENDED || XOPEN_SOURCE >= 500 || _NETBSD_SOURCE */
 /* Only valid for SIGCHLD. */
 #define SA_NOCLDSTOP	0x0008	/* do not generate SIGCHLD on child stop */
 #define SA_NOCLDWAIT	0x0020	/* do not generate zombies on unwaited child */
 #if (_POSIX_C_SOURCE - 0) >= 199309L || (_XOPEN_SOURCE - 0) >= 500 || \
     defined(_NETBSD_SOURCE)
 #define SA_SIGINFO	0x0040	/* take sa_sigaction handler */
 #endif /* (_POSIX_C_SOURCE - 0) >= 199309L || ... */
 #if defined(_NETBSD_SOURCE)
 #define	SA_NOKERNINFO	0x0080	/* siginfo does not print kernel info on tty */
 #endif /*_NETBSD_SOURCE */
 #ifdef _KERNEL
 #define	SA_ALLBITS	0x00ff
 #endif
 /*
  * Flags for sigprocmask():
  */
 #define	SIG_BLOCK	1	/* block specified signal set */
 #define	SIG_UNBLOCK	2	/* unblock specified signal set */
 #define	SIG_SETMASK	3	/* set specified signal set */
 #if defined(_NETBSD_SOURCE)
 typedef	void (*sig_t)(int);	/* type of signal function */
 #endif
 #if (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \
     (_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE)
 /*
  * Flags used with stack_t/struct sigaltstack.
  */
 #define SS_ONSTACK	0x0001	/* take signals on alternate stack */
 #define SS_DISABLE	0x0004	/* disable taking signals on alternate stack */
 #ifdef _KERNEL
 #define	SS_ALLBITS	0x0005
 #endif
 #define	MINSIGSTKSZ	8192			/* minimum allowable stack */
 #define	SIGSTKSZ	(MINSIGSTKSZ + 32768)	/* recommended stack size */
 #endif /* _XOPEN_SOURCE_EXTENDED || _XOPEN_SOURCE >= 500 || _NETBSD_SOURCE */
 #if (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \
     (_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE)
 /*
  * Structure used in sigstack call.
  */
 struct	sigstack {
 	void	*ss_sp;			/* signal stack pointer */
 	int	ss_onstack;		/* current status */
 };
 #endif /* _XOPEN_SOURCE_EXTENDED || _XOPEN_SOURCE >= 500 || _NETBSD_SOURCE */
 #if defined(_NETBSD_SOURCE) && !defined(_KERNEL)
 /*
  * Macro for converting signal number to a mask suitable for
  * sigblock().
  */
 #define sigmask(n)	__sigmask(n)
 #define	BADSIG		SIG_ERR
 #endif /* _NETBSD_SOURCE */
 #if (_POSIX_C_SOURCE - 0) >= 199309L || (_XOPEN_SOURCE - 0) >= 500 || \
     defined(_NETBSD_SOURCE)
 struct	sigevent {
 	int	sigev_notify;
 	int	sigev_signo;
 	union sigval	sigev_value;
 	void	(*sigev_notify_function)(union sigval);
 	void /* pthread_attr_t */	*sigev_notify_attributes;
 };
 #define SIGEV_NONE	0
 #define SIGEV_SIGNAL	1
 #define SIGEV_THREAD	2
 #if defined(_NETBSD_SOURCE)
 #define SIGEV_SA	3
 #endif
 #endif /* (_POSIX_C_SOURCE - 0) >= 199309L || ... */
 #endif	/* _POSIX_C_SOURCE || _XOPEN_SOURCE || _NETBSD_SOURCE */
 /*
  * For historical reasons; programs expect signal's return value to be
  * defined by <sys/signal.h>.
  */
 __BEGIN_DECLS
 void	(*signal(int, void (*)(int)))(int);
 int	sigqueue(pid_t, int, const union sigval);
 int	sigqueueinfo(pid_t, const siginfo_t *);
 __END_DECLS
 #endif	/* !_SYS_SIGNAL_H_ */