1 files changed, 55 insertions, 0 deletions
diff --git a/usr/src/lib/libc/port/sys/siginterrupt.c b/usr/src/lib/libc/port/sys/siginterrupt.c
new file mode 100644
index 0000000000..3f82478de8
--- /dev/null
+++ b/usr/src/lib/libc/port/sys/siginterrupt.c
@@ -0,0 +1,55 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+#pragma weak siginterrupt = _siginterrupt
+
+#include "synonyms.h"
+#include <sys/types.h>
+#include <errno.h>
+#include <signal.h>
+
+int
+siginterrupt(int sig, int flag)
+{
+	struct sigaction act;
+
+	/*
+	 * Check for valid signal number
+	 */
+	if (sig <= 0 || sig >= NSIG) {
+		errno = EINVAL;
+		return (-1);
+	}
+
+	(void) sigaction(sig, NULL, &act);
+	if (flag)
+		act.sa_flags &= ~SA_RESTART;
+	else
+		act.sa_flags |= SA_RESTART;
+	return (sigaction(sig, &act, NULL));
+}