Adding upstream version 2.4.57+dfsg.upstream/2.4.57+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 41 insertions, 0 deletions

diff --git a/libraries/liblutil/signal.c b/libraries/liblutil/signal.c
new file mode 100644
index 0000000..a73e311
--- /dev/null
+++ b/libraries/liblutil/signal.c
@@ -0,0 +1,41 @@
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2021 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+
+#include "portable.h"
+
+#ifdef HAVE_SIGACTION
+#include <ac/string.h>
+#include <ac/signal.h>
+
+lutil_sig_t
+lutil_sigaction(int sig, lutil_sig_t func)
+{
+	struct sigaction action, oaction;
+
+	memset( &action, '\0', sizeof(action) );
+
+	action.sa_handler = func;
+	sigemptyset( &action.sa_mask );
+#ifdef SA_RESTART
+	action.sa_flags |= SA_RESTART;
+#endif
+	
+	if( sigaction( sig, &action, &oaction ) != 0 ) {
+		return NULL;
+	}
+
+	return oaction.sa_handler;
+}
+#endif