initial import of NetBSD tree

1 files changed, 67 insertions, 0 deletions

diff --git a/lib/libc/arch/sparc/sys/sigprocmask.S b/lib/libc/arch/sparc/sys/sigprocmask.S
new file mode 100644
index 00000000000..69d452731cd
--- /dev/null
+++ b/lib/libc/arch/sparc/sys/sigprocmask.S
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 1992, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This software was developed by the Computer Systems Engineering group
+ * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
+ * contributed to Berkeley.
+ *
+ * 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. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. 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: Header: sigprocmask.s,v 1.1 91/07/06 13:06:01 torek Exp
+ * $Id: sigprocmask.S,v 1.1 1995/10/18 08:41:42 deraadt Exp $
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+	.asciz "@(#)sigprocmask.s	8.1 (Berkeley) 6/4/93"
+#endif /* LIBC_SCCS and not lint */
+
+#include "SYS.h"
+
+/*
+ * sigprocmask(int how, sigset_t *set, sigset_t *oset)
+ */
+ENTRY(sigprocmask)
+	tst	%o1		! set == NULL?
+	bne,a	1f		! if not,
+	 ld	[%o1], %o1	!    replace it in %o1 with *set
+!	clr	%o1		! else block no signals ...
+	mov	1, %o0		! ... using sigprocmask(SIG_BLOCK)
+1:
+	mov	SYS_sigprocmask, %g1
+	t	ST_SYSCALL
+	bcc	2f		! if success,
+	 tst	%o2		!    check to see if oset requested
+	ERROR()
+2:
+	bne,a	3f		! if oset != NULL,
+	 st	%o0, [%o2]	!    *oset = oldmask
+3:
+	retl			! in any case, return 0
+	 clr	%o0