diff options
Diffstat (limited to 'test/tsan/Darwin/gcd-barrier.mm')
-rw-r--r-- | test/tsan/Darwin/gcd-barrier.mm | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/test/tsan/Darwin/gcd-barrier.mm b/test/tsan/Darwin/gcd-barrier.mm new file mode 100644 index 000000000000..6f58cae7d8f5 --- /dev/null +++ b/test/tsan/Darwin/gcd-barrier.mm @@ -0,0 +1,49 @@ +// RUN: %clang_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 "../test.h" + +long global; + +int main() { + fprintf(stderr, "Hello world.\n"); + print_address("addr=", 1, &global); + barrier_init(&barrier, 2); + + dispatch_queue_t q = dispatch_queue_create("my.queue", DISPATCH_QUEUE_CONCURRENT); + dispatch_queue_t bgq = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0); + + dispatch_async(bgq, ^{ + dispatch_sync(q, ^{ + global = 42; + }); + barrier_wait(&barrier); + }); + + dispatch_async(bgq, ^{ + barrier_wait(&barrier); + dispatch_barrier_sync(q, ^{ + global = 43; + }); + + dispatch_async(bgq, ^{ + barrier_wait(&barrier); + global = 44; + }); + + barrier_wait(&barrier); + + dispatch_sync(dispatch_get_main_queue(), ^{ + CFRunLoopStop(CFRunLoopGetCurrent()); + }); + }); + + CFRunLoopRun(); + fprintf(stderr, "Done.\n"); +} + +// CHECK: Hello world. +// CHECK: Done. +// CHECK-NOT: WARNING: ThreadSanitizer |