From ea648e70a989cca190cd7403fe892fd2dcc290b4 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 5 May 2024 20:37:14 +0200
Subject: Adding upstream version 1:9.11.5.P4+dfsg.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 lib/isc/refcount.c | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 lib/isc/refcount.c

(limited to 'lib/isc/refcount.c')

diff --git a/lib/isc/refcount.c b/lib/isc/refcount.c
new file mode 100644
index 0000000..033af7b
--- /dev/null
+++ b/lib/isc/refcount.c
@@ -0,0 +1,32 @@
+/*
+ * 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.
+ */
+
+
+#include <config.h>
+
+#include <stddef.h>
+
+#include <isc/mutex.h>
+#include <isc/refcount.h>
+#include <isc/result.h>
+#include <isc/util.h>
+
+isc_result_t
+isc_refcount_init(isc_refcount_t *ref, unsigned int n) {
+	REQUIRE(ref != NULL);
+
+	ref->refs = n;
+#if defined(ISC_PLATFORM_USETHREADS) && !defined(ISC_REFCOUNT_HAVEATOMIC)
+	return (isc_mutex_init(&ref->lock));
+#else
+	return (ISC_R_SUCCESS);
+#endif
+}
-- 
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