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authorJing Yu <jingyu@google.com>2011-12-19 16:56:54 -0800
committerJing Yu <jingyu@google.com>2011-12-19 16:56:54 -0800
commit40d7cd0fd78fe2004e2a53c4618c148339b02733 (patch)
tree5874557a6c86a1f564a03e5f28b266e31bc3759c /gcc-4.6/libgomp/testsuite/libgomp.c/barrier-1.c
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Add gcc-4.6. Synced to @180989
Change-Id: Ie3676586e1d8e3c8cd9f07d022f450d05fa08439 svn://gcc.gnu.org/svn/gcc/branches/google/gcc-4_6-mobile
Diffstat (limited to 'gcc-4.6/libgomp/testsuite/libgomp.c/barrier-1.c')
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diff --git a/gcc-4.6/libgomp/testsuite/libgomp.c/barrier-1.c b/gcc-4.6/libgomp/testsuite/libgomp.c/barrier-1.c
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--- /dev/null
+++ b/gcc-4.6/libgomp/testsuite/libgomp.c/barrier-1.c
@@ -0,0 +1,50 @@
+/* Trivial test of barrier. */
+
+#include <omp.h>
+#include <sys/time.h>
+#include <unistd.h>
+#include <assert.h>
+#include "libgomp_g.h"
+
+
+struct timeval stamps[3][3];
+
+static void function(void *dummy)
+{
+ int iam = omp_get_thread_num ();
+
+ gettimeofday (&stamps[iam][0], NULL);
+ if (iam == 0)
+ usleep (10);
+
+ GOMP_barrier ();
+
+ if (iam == 0)
+ {
+ gettimeofday (&stamps[0][1], NULL);
+ usleep (10);
+ }
+
+ GOMP_barrier ();
+
+ gettimeofday (&stamps[iam][2], NULL);
+}
+
+int main()
+{
+ omp_set_dynamic (0);
+
+ GOMP_parallel_start (function, NULL, 3);
+ function (NULL);
+ GOMP_parallel_end ();
+
+ assert (!timercmp (&stamps[0][0], &stamps[0][1], >));
+ assert (!timercmp (&stamps[1][0], &stamps[0][1], >));
+ assert (!timercmp (&stamps[2][0], &stamps[0][1], >));
+
+ assert (!timercmp (&stamps[0][1], &stamps[0][2], >));
+ assert (!timercmp (&stamps[0][1], &stamps[1][2], >));
+ assert (!timercmp (&stamps[0][1], &stamps[2][2], >));
+
+ return 0;
+}