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/* $OpenBSD: w_sigaction.c,v 1.1 2015/10/23 04:39:24 guenther Exp $ */
/*
* Copyright (c) 2005 Ted Unangst <tedu@openbsd.org>
* All Rights Reserved.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*
* signals
*/
#include <signal.h>
#include <errno.h>
int
WRAP(sigaction)(int sig, const struct sigaction *act, struct sigaction *oact)
{
struct sigaction sa;
if (sig == SIGTHR) {
errno = EINVAL;
return (-1);
}
if (act != NULL && sigismember(&act->sa_mask, SIGTHR)) {
sa = *act;
sigdelset(&sa.sa_mask, SIGTHR);
act = &sa;
}
return (sigaction(sig, act, oact));
}
DEF_WRAP(sigaction);
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