1 files changed, 57 insertions, 0 deletions
diff --git a/usr.sbin/bind/lib/isc/mutexblock.c b/usr.sbin/bind/lib/isc/mutexblock.c
new file mode 100644
index 00000000000..605414df58b
--- /dev/null
+++ b/usr.sbin/bind/lib/isc/mutexblock.c
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 1999-2001  Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM
+ * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
+ * INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
+ * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
+ * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
+ * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $ISC: mutexblock.c,v 1.14 2001/01/09 21:56:17 bwelling Exp $ */
+
+#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) {
+			i--;
+			while (i > 0) {
+				DESTROYLOCK(&block[i]);
+				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);
+}