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-rw-r--r--test/tsan/Darwin/gcd-groups-destructor.mm43
1 files changed, 43 insertions, 0 deletions
diff --git a/test/tsan/Darwin/gcd-groups-destructor.mm b/test/tsan/Darwin/gcd-groups-destructor.mm
new file mode 100644
index 000000000000..19c2c9bd147f
--- /dev/null
+++ b/test/tsan/Darwin/gcd-groups-destructor.mm
@@ -0,0 +1,43 @@
+// RUN: %clangxx_tsan %s -o %t -framework Foundation
+// RUN: %env_tsan_opts=ignore_interceptors_accesses=1 %run %t 2>&1 | FileCheck %s
+
+#import <Foundation/Foundation.h>
+
+#import <memory>
+#import <stdatomic.h>
+
+_Atomic(long) destructor_counter = 0;
+
+struct MyStruct {
+ virtual ~MyStruct() {
+ usleep(10000);
+ atomic_fetch_add_explicit(&destructor_counter, 1, memory_order_relaxed);
+ }
+};
+
+int main(int argc, const char *argv[]) {
+ fprintf(stderr, "Hello world.\n");
+
+ dispatch_queue_t q = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);
+ dispatch_group_t g = dispatch_group_create();
+
+ for (int i = 0; i < 100; i++) {
+ std::shared_ptr<MyStruct> shared(new MyStruct());
+
+ dispatch_group_async(g, q, ^{
+ shared.get(); // just to make sure the object is captured by the block
+ });
+ }
+
+ dispatch_group_wait(g, DISPATCH_TIME_FOREVER);
+
+ if (destructor_counter != 100) {
+ abort();
+ }
+
+ fprintf(stderr, "Done.\n");
+}
+
+// CHECK: Hello world.
+// CHECK-NOT: WARNING: ThreadSanitizer
+// CHECK: Done.