minix/lib/nbsd_libc/compat/arch/sh3/sys/compat_sigprocmask.S
Gianluca Guida b6cbf7203b Import unmodified NetBSD libc in trunk
This patch imports the unmodified current version of NetBSD libc.
The NetBSD includes are in /nbsd_include, while the libc code itself is 
split between lib/nbsd_libc and common/lib/libc.
2011-02-14 19:36:03 +00:00

74 lines
2.6 KiB
ArmAsm

/* $NetBSD: compat_sigprocmask.S,v 1.3 2006/01/06 04:08:47 uwe Exp $ */
/*-
* Copyright (c) 1990 The Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* William Jolitz.
*
* 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.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
*
* from: @(#)sigprocmask.s 5.2 (Berkeley) 12/17/90
*/
#include <machine/asm.h>
#if defined(SYSLIBC_SCCS) && !defined(lint)
RCSID("$NetBSD: compat_sigprocmask.S,v 1.3 2006/01/06 04:08:47 uwe Exp $")
#endif /* SYSLIBC_SCCS and not lint */
#include "SYS.h"
WARN_REFERENCES(sigprocmask, \
"warning: reference to compatibility sigprocmask(); include <signal.h> for correct reference")
/*
* int
* sigprocmask(int how, const sigset_t * restrict set,
* sigset_t * restrict oset);
*/
ENTRY(sigprocmask)
tst r5, r5 /* set == NULL? */
bf 1f
bra 2f /* r5 (new mask) is already zero */
mov #1, r4 /* how = SIG_BLOCK */
1: mov.l @r5, r5 /* fetch new mask */
2: mov #SYS_compat_13_sigprocmask13, r0
trapa #0x80
bf err
tst r6, r6 /* oset == NULL? */
bt 3f
mov.l r0, @r6 /* store old mask */
3: rts
mov #0, r0
err:
JUMP_CERROR
SET_ENTRY_SIZE(sigprocmask)