mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-02 17:50:20 +00:00
57 lines
2.2 KiB
C
57 lines
2.2 KiB
C
/* The proper definitions for Linux/Alpha sigaction.
|
|
Copyright (C) 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 Library General Public License as
|
|
published by the Free Software Foundation; either version 2 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
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with the GNU C Library; see the file COPYING.LIB. 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
|
|
{
|
|
/* Signal handler. */
|
|
__sighandler_t sa_handler;
|
|
|
|
/* Additional set of signals to be blocked. */
|
|
__sigset_t sa_mask;
|
|
|
|
/* Special flags. */
|
|
unsigned int sa_flags;
|
|
};
|
|
|
|
/* Bits in `sa_flags'. */
|
|
#define SA_NOCLDSTOP 0x00000004 /* Don't send SIGCHLD when children stop. */
|
|
#ifdef __USE_MISC
|
|
# define SA_ONSTACK 0x00000001 /* Use signal stack by using `sa_restorer'. */
|
|
# define SA_RESTART 0x00000002 /* Restart syscall on signal return. */
|
|
# define SA_INTERRUPT 0x20000000 /* Historical no-op. */
|
|
# define SA_NOMASK 0x00000008 /* Don't automatically block the signal
|
|
when its handler is being executed. */
|
|
# define SA_ONESHOT 0x00000010 /* Reset to SIG_DFL on entry to handler. */
|
|
|
|
/* Some aliases for the SA_ constants. */
|
|
# define SA_NODEFER SA_NOMASK
|
|
# define SA_RESETHAND SA_ONESHOT
|
|
# 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. */
|