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Diffstat (limited to 'test/tsan/libdispatch/data.c')
-rw-r--r-- | test/tsan/libdispatch/data.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/test/tsan/libdispatch/data.c b/test/tsan/libdispatch/data.c new file mode 100644 index 000000000..70c503bda --- /dev/null +++ b/test/tsan/libdispatch/data.c @@ -0,0 +1,38 @@ +// RUN: %clang_tsan %s -o %t +// RUN: %run %t 2>&1 | FileCheck %s --implicit-check-not='ThreadSanitizer' + +#include <dispatch/dispatch.h> + +#include <stdio.h> +#include <string.h> + +long global = 42; + +int main(int argc, const char *argv[]) { + fprintf(stderr, "Hello world.\n"); + + dispatch_queue_t q = dispatch_queue_create("my.queue", DISPATCH_QUEUE_SERIAL); + dispatch_semaphore_t sem = dispatch_semaphore_create(0); + + const char *buffer = "buffer"; + size_t size = strlen(buffer); + + dispatch_data_t data = dispatch_data_create(buffer, size, q, ^{ + fprintf(stderr, "Data destructor.\n"); + global++; + + dispatch_semaphore_signal(sem); + }); + dispatch_release(data); + + dispatch_semaphore_wait(sem, DISPATCH_TIME_FOREVER); + + data = dispatch_data_create(buffer, size, q, DISPATCH_DATA_DESTRUCTOR_DEFAULT); + dispatch_release(data); + + fprintf(stderr, "Done.\n"); +} + +// CHECK: Hello world. +// CHECK: Data destructor. +// CHECK: Done. |