1 files changed, 51 insertions, 0 deletions
diff --git a/lib/isc/mutexblock.c b/lib/isc/mutexblock.c
new file mode 100644
index 0000000..6a629e7
--- /dev/null
+++ b/lib/isc/mutexblock.c
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+
+/*! \file */
+
+#include <config.h>
+
+#include <isc/mutexblock.h>
+#include <isc/util.h>
+
+isc_result_t
+isc_mutexblock_init(isc_mutex_t *block, unsigned int count) {
+	isc_result_t result;
+	unsigned int i;
+
+	for (i = 0; i < count; i++) {
+		result = isc_mutex_init(&block[i]);
+		if (result != ISC_R_SUCCESS) {
+			while (i > 0U) {
+				i--;
+				DESTROYLOCK(&block[i]);
+			}
+			return (result);
+		}
+	}
+
+	return (ISC_R_SUCCESS);
+}
+
+isc_result_t
+isc_mutexblock_destroy(isc_mutex_t *block, unsigned int count) {
+	isc_result_t result;
+	unsigned int i;
+
+	for (i = 0; i < count; i++) {
+		result = isc_mutex_destroy(&block[i]);
+		if (result != ISC_R_SUCCESS)
+			return (result);
+	}
+
+	return (ISC_R_SUCCESS);
+}