Imported gcc-4.4.3

[msp430-gcc.git] / libgomp / testsuite / libgomp.c / icv-2.c

diff --git a/libgomp/testsuite/libgomp.c/icv-2.c b/libgomp/testsuite/libgomp.c/icv-2.c
new file mode 100644 (file)
index 0000000..326f8eb
--- /dev/null
+++ b/libgomp/testsuite/libgomp.c/icv-2.c
@@ -0,0 +1,46 @@
+/* { dg-do run { target *-*-linux* } } */
+
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE 1
+#endif
+#include <pthread.h>
+#include <omp.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+pthread_barrier_t bar;
+
+void *tf (void *p)
+{
+  int l;
+  if (p)
+    omp_set_num_threads (3);
+  pthread_barrier_wait (&bar);
+  if (!p)
+    omp_set_num_threads (6);
+  pthread_barrier_wait (&bar);
+  omp_set_dynamic (0);
+  if (omp_get_max_threads () != (p ? 3 : 6))
+    abort ();
+  l = 0;
+  #pragma omp parallel num_threads (6) reduction (|:l)
+    {
+      l |= omp_get_max_threads () != (p ? 3 : 6);
+      omp_set_num_threads ((p ? 3 : 6) + omp_get_thread_num ());
+      l |= omp_get_max_threads () != ((p ? 3 : 6) + omp_get_thread_num ());
+    }
+  if (l)
+    abort ();
+  return NULL;
+}
+
+int
+main (void)
+{
+  pthread_t th;
+  pthread_barrier_init (&bar, NULL, 2);
+  pthread_create (&th, NULL, tf, NULL);
+  tf ("");
+  pthread_join (th, NULL);
+  return 0;
+}