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/* $OpenBSD: sigsuspend.S,v 1.7 2020/11/28 19:49:30 gkoehler Exp $ */
/*
* Copyright (c) 1996 Dale Rahn
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/* int sigsuspend(int *mask) */
#include "SYS.h"
.text
SYSENTRY_HIDDEN(sigsuspend)
RETGUARD_SETUP(sigsuspend, %r11, %r12)
li %r0, SYS_sigsuspend
lwz %r3, 0(%r3) /* load the mask */
sc
cmpwi %r0, 0
beq+ .L_ret
stw %r0, R2_OFFSET_ERRNO(2)
li %r3, -1
.L_ret:
RETGUARD_CHECK(sigsuspend, %r11, %r12)
blr
SYSCALL_END_HIDDEN(sigsuspend)
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