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Diffstat (limited to 'test/tsan/libdispatch/source-cancel2.c')
-rw-r--r-- | test/tsan/libdispatch/source-cancel2.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/test/tsan/libdispatch/source-cancel2.c b/test/tsan/libdispatch/source-cancel2.c new file mode 100644 index 000000000..8ec2732dc --- /dev/null +++ b/test/tsan/libdispatch/source-cancel2.c @@ -0,0 +1,41 @@ +// RUN: %clang_tsan %s -o %t +// RUN: %run %t 2>&1 | FileCheck %s + +#include "dispatch/dispatch.h" + +#include <stdio.h> + +long global; +dispatch_semaphore_t done; + +void handler(void *arg) { + fprintf(stderr, "global = %ld\n", global); + + dispatch_semaphore_signal(done); +} + +int main(int argc, const char *argv[]) { + done = dispatch_semaphore_create(0); + + dispatch_queue_t queue = + dispatch_queue_create("my.queue", DISPATCH_QUEUE_CONCURRENT); + + dispatch_source_t source = + dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, queue); + + dispatch_source_set_timer(source, dispatch_walltime(NULL, 0), 1e9, 5); + + global = 42; + + dispatch_source_set_cancel_handler_f(source, &handler); + + dispatch_resume(source); + dispatch_cancel(source); + + dispatch_semaphore_wait(done, DISPATCH_TIME_FOREVER); + + return 0; +} + +// CHECK: global = 42 +// CHECK-NOT: WARNING: ThreadSanitizer |