74 lines
1.7 KiB
C++
74 lines
1.7 KiB
C++
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/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License (the "License").
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* You may not use this file except in compliance with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or http://www.opensolaris.org/os/licensing.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/*
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* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
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* Use is subject to license terms.
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*/
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#include <signal.h>
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#include <bsd/bsd.h>
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/* External references.
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*/
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/* Forward references.
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*/
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/* Static data.
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*/
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extern SIG_PF
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bsd_signal (int Signal, SIG_PF Handler)
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{
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auto SIG_PF previous_handler;
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#ifdef sun
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previous_handler = sigset (Signal, Handler);
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#else
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auto struct sigaction new_action;
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auto struct sigaction old_action;
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new_action.sa_flags = SA_SIGINFO;
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new_action.sa_handler = (void (*) ()) Handler;
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(void) sigemptyset (&new_action.sa_mask);
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(void) sigaddset (&new_action.sa_mask, Signal);
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(void) sigaction (Signal, &new_action, &old_action);
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previous_handler = (SIG_PF) old_action.sa_handler;
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#endif
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return previous_handler;
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}
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extern void
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bsd_signals (void)
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{
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static int initialized = 0;
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if (initialized == 0)
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{
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initialized = 1;
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}
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return;
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}
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