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/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 1998-2021 The OpenLDAP Foundation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted only as authorized by the OpenLDAP
* Public License.
*
* A copy of this license is available in the file LICENSE in the
* top-level directory of the distribution or, alternatively, at
* <http://www.OpenLDAP.org/license.html>.
*/
#include "portable.h"
#ifdef HAVE_SIGACTION
#include <ac/string.h>
#include <ac/signal.h>
lutil_sig_t
lutil_sigaction(int sig, lutil_sig_t func)
{
struct sigaction action, oaction;
memset( &action, '\0', sizeof(action) );
action.sa_handler = func;
sigemptyset( &action.sa_mask );
#ifdef SA_RESTART
action.sa_flags |= SA_RESTART;
#endif
if( sigaction( sig, &action, &oaction ) != 0 ) {
return NULL;
}
return oaction.sa_handler;
}
#endif
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