1997-06-23 21:54:51 +00:00
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/* Copyright (C) 1992, 1996, 1997 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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1997-06-21 02:52:56 +00:00
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1997-06-23 21:54:51 +00:00
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The GNU C Library is free software; you can redistribute it and/or
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2001-07-06 04:56:23 +00:00
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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1997-06-21 02:52:56 +00:00
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1997-06-23 21:54:51 +00:00
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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2001-07-06 04:56:23 +00:00
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Lesser General Public License for more details.
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1997-06-21 02:52:56 +00:00
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2001-07-06 04:56:23 +00:00
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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1997-06-21 02:52:56 +00:00
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1997-11-26 04:14:44 +00:00
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#ifndef _SIGNAL_H
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# error "Never include <bits/sigaction.h> directly; use <signal.h> instead."
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#endif
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1997-06-21 02:52:56 +00:00
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/* Structure describing the action to be taken when a signal arrives. */
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struct sigaction
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{
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/* Signal handler. */
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__sighandler_t sa_handler;
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/* Additional set of signals to be blocked. */
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__sigset_t sa_mask;
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/* Special flags. */
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int sa_flags;
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};
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/* Bits in `sa_flags'. */
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#ifdef __USE_MISC
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1997-08-14 01:53:36 +00:00
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# define SA_ONSTACK 0x1 /* Take signal on signal stack. */
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# define SA_RESETHAND 0x2 /* Reset signal handler when signal caught. */
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# define SA_NODEFER 0x4 /* Don't block signal while catching it. */
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# define SA_RESTART 0x8 /* Restart syscall on signal return. */
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# define SA_SIGINFO 0x10 /* Extended signal handling. */
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# define SA_NOCLDWAIT 0x20 /* Don't create zombies. */
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# define SA_COMPAT 0x80 /* Internal flag for old signal catchers. */
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# define SA_DISABLE 0x100 /* Disable alternate signal stack. */
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1997-06-21 02:52:56 +00:00
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#endif
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#define SA_NOCLDSTOP 0x40 /* Don't send SIGCHLD when children stop. */
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/* Values for the HOW argument to `sigprocmask'. */
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#define SIG_BLOCK 0 /* Block signals. */
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#define SIG_UNBLOCK 1 /* Unblock signals. */
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#define SIG_SETMASK 2 /* Set the set of blocked signals. */
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