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NetBSD/lib/libc/arch/alpha/sys/sigprocmask.S

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fix up NetBSD RCS Ids to match the standard, and the leading comment as to match as well. No functional changes.
2000-06-14 10:48:47 +04:00
/* $NetBSD: sigprocmask.S,v 1.5 2000/06/14 06:49:03 cgd Exp $ */
libc support for the alpha. more functions should be written in assembler, but that's optimization. 8-)
1995-02-10 20:49:48 +03:00
/*
* Copyright (c) 1994, 1995 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Chris G. Demetriou
*
* Permission to use, copy, modify and distribute this software and
* its documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*/
#include "SYS.h"
Warn about references to the compatibility() sigaction(), sigpending(), sigprocmask(), sigreturn(), and sigsuspend(), and direct the user to include <signal.h> to generate the correct reference.
1998-12-02 04:01:03 +03:00
WARN_REFERENCES(sigprocmask, \
"warning: reference to compatibility sigprocmask(); include <signal.h> for correct reference")
libc support for the alpha. more functions should be written in assembler, but that's optimization. 8-)
1995-02-10 20:49:48 +03:00
LEAF(sigprocmask, 3)
mov a2, a5 /* safe */
cmoveq a1, 1, a0 /* if set == NULL, how = SIG_BLOCK */
beq a1, Ldoit /* and set = 0, and do it. */
ldl a1, 0(a1) /* load the set from *set */
Signal changes for Alpha.
1998-09-29 07:01:37 +04:00
Ldoit: CALLSYS_ERROR(compat_13_sigprocmask13)
libc support for the alpha. more functions should be written in assembler, but that's optimization. 8-)
1995-02-10 20:49:48 +03:00
beq a5, Lret /* if they don't want old mask, done */
stl v0, 0(a5) /* otherwise, give it to them. */
Lret: mov zero, v0
RET
END(sigprocmask)