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authorBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
committerBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
commit1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch)
treec607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/libgomp/testsuite/libgomp.c/barrier-1.c
parent283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff)
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Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/libgomp/testsuite/libgomp.c/barrier-1.c')
-rw-r--r--gcc-4.9/libgomp/testsuite/libgomp.c/barrier-1.c50
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diff --git a/gcc-4.9/libgomp/testsuite/libgomp.c/barrier-1.c b/gcc-4.9/libgomp/testsuite/libgomp.c/barrier-1.c
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index 000000000..1f8d1f0d3
--- /dev/null
+++ b/gcc-4.9/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;
+}