aboutsummaryrefslogtreecommitdiff
path: root/test/tsan/atomic_free3.cc
diff options
context:
space:
mode:
Diffstat (limited to 'test/tsan/atomic_free3.cc')
-rw-r--r--test/tsan/atomic_free3.cc28
1 files changed, 28 insertions, 0 deletions
diff --git a/test/tsan/atomic_free3.cc b/test/tsan/atomic_free3.cc
new file mode 100644
index 000000000000..f2875aeb656f
--- /dev/null
+++ b/test/tsan/atomic_free3.cc
@@ -0,0 +1,28 @@
+// RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
+#include "test.h"
+
+// Test for https://github.com/google/sanitizers/issues/602
+
+void *Thread(void *a) {
+ __atomic_store_n((int*)a, 1, __ATOMIC_RELAXED);
+ return 0;
+}
+
+int main() {
+ int *a = new int(0);
+ pthread_t t;
+ pthread_create(&t, 0, Thread, a);
+ while (__atomic_load_n(a, __ATOMIC_RELAXED) == 0)
+ sched_yield();
+ delete a;
+ pthread_join(t, 0);
+}
+
+// CHECK: WARNING: ThreadSanitizer: data race
+// CHECK: Write
+// CHECK: #0 operator delete
+// CHECK: #1 main
+
+// CHECK: Previous atomic write
+// CHECK: #0 __tsan_atomic32_store
+// CHECK: #1 Thread