aboutsummaryrefslogtreecommitdiffstats
path: root/gcc-4.2.1-5666.3/libgomp/testsuite/libgomp.c/appendix-a/a.40.1.c
diff options
context:
space:
mode:
Diffstat (limited to 'gcc-4.2.1-5666.3/libgomp/testsuite/libgomp.c/appendix-a/a.40.1.c')
-rw-r--r--gcc-4.2.1-5666.3/libgomp/testsuite/libgomp.c/appendix-a/a.40.1.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/gcc-4.2.1-5666.3/libgomp/testsuite/libgomp.c/appendix-a/a.40.1.c b/gcc-4.2.1-5666.3/libgomp/testsuite/libgomp.c/appendix-a/a.40.1.c
new file mode 100644
index 000000000..aa7b88d70
--- /dev/null
+++ b/gcc-4.2.1-5666.3/libgomp/testsuite/libgomp.c/appendix-a/a.40.1.c
@@ -0,0 +1,48 @@
+/* { dg-do compile } */
+
+#include <omp.h>
+typedef struct
+{
+ int a, b;
+ omp_nest_lock_t lck;
+} pair;
+int work1 ();
+int work2 ();
+int work3 ();
+void
+incr_a (pair * p, int a)
+{
+ /* Called only from incr_pair, no need to lock. */
+ p->a += a;
+}
+
+void
+incr_b (pair * p, int b)
+{
+ /* Called both from incr_pair and elsewhere, */
+ /* so need a nestable lock. */
+ omp_set_nest_lock (&p->lck);
+ p->b += b;
+ omp_unset_nest_lock (&p->lck);
+}
+
+void
+incr_pair (pair * p, int a, int b)
+{
+ omp_set_nest_lock (&p->lck);
+ incr_a (p, a);
+ incr_b (p, b);
+ omp_unset_nest_lock (&p->lck);
+}
+
+void
+a40 (pair * p)
+{
+#pragma omp parallel sections
+ {
+#pragma omp section
+ incr_pair (p, work1 (), work2 ());
+#pragma omp section
+ incr_b (p, work3 ());
+ }
+}