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-rw-r--r--lib/tsan/output_tests/static_init3.cc46
1 files changed, 46 insertions, 0 deletions
diff --git a/lib/tsan/output_tests/static_init3.cc b/lib/tsan/output_tests/static_init3.cc
new file mode 100644
index 000000000000..718f811d0df4
--- /dev/null
+++ b/lib/tsan/output_tests/static_init3.cc
@@ -0,0 +1,46 @@
+#include <pthread.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <sched.h>
+
+struct Cache {
+ int x;
+};
+
+Cache g_cache;
+
+Cache *CreateCache() {
+ g_cache.x = rand();
+ return &g_cache;
+}
+
+_Atomic(Cache*) queue;
+
+void *Thread1(void *x) {
+ static Cache *c = CreateCache();
+ __c11_atomic_store(&queue, c, 0);
+ return 0;
+}
+
+void *Thread2(void *x) {
+ Cache *c = 0;
+ for (;;) {
+ c = __c11_atomic_load(&queue, 0);
+ if (c)
+ break;
+ sched_yield();
+ }
+ if (c->x >= RAND_MAX)
+ exit(1);
+ return 0;
+}
+
+int main() {
+ pthread_t t[2];
+ pthread_create(&t[0], 0, Thread1, 0);
+ pthread_create(&t[1], 0, Thread2, 0);
+ pthread_join(t[0], 0);
+ pthread_join(t[1], 0);
+}
+
+// CHECK: WARNING: ThreadSanitizer: data race