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Diffstat (limited to 'test/tsan/libdispatch/after.c')
-rw-r--r-- | test/tsan/libdispatch/after.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/test/tsan/libdispatch/after.c b/test/tsan/libdispatch/after.c new file mode 100644 index 000000000..59281e76d --- /dev/null +++ b/test/tsan/libdispatch/after.c @@ -0,0 +1,42 @@ +// RUN: %clang_tsan %s -o %t +// RUN: %run %t 2>&1 | FileCheck %s + +#include "dispatch/dispatch.h" + +#include <stdio.h> + +long my_global; +long my_global2; +dispatch_semaphore_t done; + +void callback(void *context) { + my_global2 = 42; + + dispatch_semaphore_signal(done); +} + +int main(int argc, const char *argv[]) { + fprintf(stderr, "start\n"); + done = dispatch_semaphore_create(0); + + dispatch_queue_t q = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0); + + my_global = 10; + dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(10 * NSEC_PER_MSEC)), q, ^{ + my_global = 42; + + dispatch_semaphore_signal(done); + }); + + my_global2 = 10; + dispatch_after_f(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(10 * NSEC_PER_MSEC)), q, NULL, &callback); + + dispatch_semaphore_wait(done, DISPATCH_TIME_FOREVER); + dispatch_semaphore_wait(done, DISPATCH_TIME_FOREVER); + fprintf(stderr, "done\n"); + return 0; +} + +// CHECK: start +// CHECK: done +// CHECK-NOT: WARNING: ThreadSanitizer |