Imported gcc-4.4.3

[msp430-gcc.git] / libgomp / testsuite / libgomp.c / barrier-1.c

diff --git a/libgomp/testsuite/libgomp.c/barrier-1.c b/libgomp/testsuite/libgomp.c/barrier-1.c
new file mode 100644 (file)
index 0000000..1f8d1f0
--- /dev/null
+++ b/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;
+}