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