glibc/sysdeps/unix/sysv/sysv4/bits/sigaction.h
Andreas Jaeger 41bdb6e20c Update to LGPL v2.1.
2001-07-06  Paul Eggert  <eggert@twinsun.com>

	* manual/argp.texi: Remove ignored LGPL copyright notice; it's
	not appropriate for documentation anyway.
	* manual/libc-texinfo.sh: "Library General Public License" ->
	"Lesser General Public License".

2001-07-06  Andreas Jaeger  <aj@suse.de>

	* All files under GPL/LGPL version 2: Place under LGPL version
	2.1.
2001-07-06 04:58:11 +00:00

56 lines
2.1 KiB
C

/* The proper definitions for SVR4's sigaction.
Copyright (C) 1993, 1994, 1996, 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#ifndef _SIGNAL_H
# error "Never include <bits/sigaction.h> directly; use <signal.h> instead."
#endif
/* Structure describing the action to be taken when a signal arrives. */
struct sigaction
{
/* Special flags. */
int sa_flags;
/* Signal handler. */
__sighandler_t sa_handler;
/* Additional set of signals to be blocked. */
__sigset_t sa_mask;
/* Padding. */
int sa_resv[2];
};
/* Bits in `sa_flags'. */
#ifdef __USE_MISC
# define SA_ONSTACK 0x1 /* Take signal on signal stack. */
# define SA_RESETHAND 0x2 /* Reset to SIG_DFL on entry to handler. */
# define SA_RESTART 0x4 /* Restart syscall on signal return. */
# define SA_SIGINFO 0x8 /* Provide additional info to the handler. */
# define SA_NODEFER 0x10 /* Don't automatically block the signal when
its handler is being executed. */
# define SA_NOCLDWAIT 0x10000 /* Don't save zombie processes. */
#endif
#define SA_NOCLDSTOP 0x20000 /* Don't send SIGCHLD when children stop. */
/* Values for the HOW argument to `sigprocmask'. */
#define SIG_BLOCK 1 /* Block signals. */
#define SIG_UNBLOCK 2 /* Unblock signals. */
#define SIG_SETMASK 3 /* Set the set of blocked signals. */