diff options
Diffstat (limited to 'test/tsan/Darwin/gcd-groups-destructor.mm')
-rw-r--r-- | test/tsan/Darwin/gcd-groups-destructor.mm | 43 |
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. |