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/* The definitions for OpenSolaris's sigaction.
Copyright (C) 1993-1999, 2000, 2008, 2009 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
#define __need_siginfo_t
#include <bits/siginfo.h>
/* Structure describing the action to be taken when a signal arrives. */
struct sigaction
{
int sa_flags;
union
{
void (*_handler)(int);
void (*_sigaction)(int, siginfo_t *, void *);
} _funcptr;
#define sa_handler _funcptr._handler
#define sa_sigaction _funcptr._sigaction
sigset_t sa_mask;
#if __WORDSIZE == 32
int sa_resv[2];
#endif
};
#ifdef _SYSCALL32
# include <sys/types32.h>
struct sigaction32
{
int32_t sa_flags;
union
{
caddr32_t _handler;
caddr32_t _sigaction;
} _funcptr;
sigset32_t sa_mask;
int32_t sa_resv[2];
};
#endif
/* Bits in `sa_flags'. */
#define SA_NOCLDSTOP 0x00020000 /* Don't send SIGCHLD when children stop. */
#define SA_NOCLDWAIT 0x00010000 /* Don't send SIGCHLD when children stop. */
#define SA_SIGINFO 0x00000008 /* Invoke signal-catching function with
three arguments instead of one. */
#if defined __USE_UNIX98 || defined __USE_MISC
#define SA_ONSTACK 0x00000001 /* Use signal stack by using `sa_restorer'. */
#define SA_RESTART 0x00000004 /* Restart syscall on signal return. */
#define SA_NODEFER 0x00000010 /* Don't automatically block the signal when
its handler is being executed. */
#define SA_RESETHAND 0x00000002
#endif
#ifdef __USE_MISC
# define SA_INTERRUPT 0 /* Historical no-op ("not SA_RESTART"). */
/* Some aliases for the SA_ constants. */
# define SA_NOMASK SA_NODEFER
# define SA_ONESHOT SA_RESETHAND
# define SA_STACK SA_ONSTACK
#endif
/* 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. */
#define SIGNO_MASK 0xFF
#define SIGDEFER 0x100
#define SIGHOLD 0x200
#define SIGRELSE 0x400
#define SIGIGNORE 0x800
#define SIGPAUSE 0x1000
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