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authorJörg Frings-Fürst <debian@jff.email>2018-07-08 23:15:22 +0200
committerJörg Frings-Fürst <debian@jff.email>2018-07-08 23:15:22 +0200
commit853c9cf3718db7c9f6d723e45031016231e1cbd1 (patch)
treee6a5cafe819de3d14665da32bfd87259b089ec02 /tests/test-once.c
parent7b350538dddb27a4513158cb6b6405b85f175ad1 (diff)
parent10bd216b0099d2ae8cb22c664fb725165096f95c (diff)
Merge branch 'release/debian/0.9.10-1'debian/0.9.10-1
Diffstat (limited to 'tests/test-once.c')
-rw-r--r--tests/test-once.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/tests/test-once.c b/tests/test-once.c
new file mode 100644
index 0000000..48e18a7
--- /dev/null
+++ b/tests/test-once.c
@@ -0,0 +1,43 @@
+/* Test of once-only execution in multithreaded situations.
+ Copyright (C) 2018 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <https://www.gnu.org/licenses/>. */
+
+/* Written by Bruno Haible <bruno@clisp.org>, 2018. */
+
+#include <config.h>
+
+#include "glthread/lock.h"
+
+#include "macros.h"
+
+gl_once_define(static, a_once)
+
+static int a;
+
+static void
+a_init (void)
+{
+ a = 42;
+}
+
+int
+main ()
+{
+ gl_once (a_once, a_init);
+
+ ASSERT (a == 42);
+
+ return 0;
+}