1 files changed, 59 insertions, 0 deletions
diff --git a/contrib/bind9/lib/isc/mutexblock.c b/contrib/bind9/lib/isc/mutexblock.c
new file mode 100644
index 0000000..d45ad0e
--- /dev/null
+++ b/contrib/bind9/lib/isc/mutexblock.c
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 1999-2001  Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and/or 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 ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC 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.
+ */
+
+/* $Id: mutexblock.c,v 1.20 2007/06/19 23:47:17 tbox Exp $ */
+
+/*! \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) {
+			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);
+}