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      1  1.1  christos /*	$NetBSD: compat_sigprocmask.S,v 1.1 2005/10/16 04:41:34 christos Exp $	*/
      2  1.1  christos 
      3  1.1  christos /*
      4  1.1  christos  * Copyright (c) 1992, 1993
      5  1.1  christos  *	The Regents of the University of California.  All rights reserved.
      6  1.1  christos  *
      7  1.1  christos  * This software was developed by the Computer Systems Engineering group
      8  1.1  christos  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
      9  1.1  christos  * contributed to Berkeley.
     10  1.1  christos  *
     11  1.1  christos  * Redistribution and use in source and binary forms, with or without
     12  1.1  christos  * modification, are permitted provided that the following conditions
     13  1.1  christos  * are met:
     14  1.1  christos  * 1. Redistributions of source code must retain the above copyright
     15  1.1  christos  *    notice, this list of conditions and the following disclaimer.
     16  1.1  christos  * 2. Redistributions in binary form must reproduce the above copyright
     17  1.1  christos  *    notice, this list of conditions and the following disclaimer in the
     18  1.1  christos  *    documentation and/or other materials provided with the distribution.
     19  1.1  christos  * 3. Neither the name of the University nor the names of its contributors
     20  1.1  christos  *    may be used to endorse or promote products derived from this software
     21  1.1  christos  *    without specific prior written permission.
     22  1.1  christos  *
     23  1.1  christos  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  1.1  christos  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  1.1  christos  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  1.1  christos  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  1.1  christos  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  1.1  christos  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  1.1  christos  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  1.1  christos  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  1.1  christos  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  1.1  christos  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  1.1  christos  * SUCH DAMAGE.
     34  1.1  christos  *
     35  1.1  christos  * from: Header: sigprocmask.s,v 1.1 91/07/06 13:06:01 torek Exp
     36  1.1  christos  */
     37  1.1  christos 
     38  1.1  christos #include <machine/asm.h>
     39  1.1  christos #if defined(SYSLIBC_SCCS) && !defined(lint)
     40  1.1  christos #if 0
     41  1.1  christos 	.asciz "@(#)sigprocmask.s	8.1 (Berkeley) 6/4/93"
     42  1.1  christos #else
     43  1.1  christos 	RCSID("$NetBSD: compat_sigprocmask.S,v 1.1 2005/10/16 04:41:34 christos Exp $")
     44  1.1  christos #endif
     45  1.1  christos #endif /* SYSLIBC_SCCS and not lint */
     46  1.1  christos 
     47  1.1  christos #include "SYS.h"
     48  1.1  christos 
     49  1.1  christos WARN_REFERENCES(sigprocmask, \
     50  1.1  christos     "warning: reference to compatibility sigprocmask(); include <signal.h> for correct reference")
     51  1.1  christos 
     52  1.1  christos /*
     53  1.1  christos  * sigprocmask(int how, sigset_t *set, sigset_t *oset)
     54  1.1  christos  */
     55  1.1  christos ENTRY(sigprocmask)
     56  1.1  christos 	brnz,a	%o1, 1f		/* if (set != NULL) */
     57  1.1  christos 	 ld	[%o1], %o1	/*    replace it in %o1 with *set */
     58  1.1  christos #if 0
     59  1.1  christos 	clr	%o1		/* else block no signals ... */
     60  1.1  christos #endif
     61  1.1  christos 	mov	1, %o0		/* ... using sigprocmask(SIG_BLOCK) */
     62  1.1  christos 1:
     63  1.1  christos 	mov	SYS_compat_13_sigprocmask13, %g1
     64  1.1  christos 	t	ST_SYSCALL
     65  1.1  christos 	bcc	2f		/* if success, */
     66  1.1  christos 	 tst	%o2		/*    check to see if oset requested */
     67  1.1  christos 	ERROR()
     68  1.1  christos 2:
     69  1.1  christos 	bne,a	3f		/* if oset != NULL, */
     70  1.1  christos 	 st	%o0, [%o2]	/*    *oset = oldmask */
     71  1.1  christos 3:
     72  1.1  christos 	retl			/* in any case, return 0 */
     73  1.1  christos 	 clr	%o0
     74