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36 lines
836 B
36 lines
836 B
4 months ago
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// RUN: %clang_tsan %s -o %t -framework Foundation
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// RUN: %env_tsan_opts=ignore_interceptors_accesses=1 %run %t 2>&1 | FileCheck %s
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#import <Foundation/Foundation.h>
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long global;
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int main(int argc, const char *argv[]) {
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dispatch_queue_t queue =
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dispatch_queue_create("my.queue", DISPATCH_QUEUE_CONCURRENT);
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dispatch_source_t source =
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dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, queue);
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dispatch_source_set_timer(source, dispatch_walltime(NULL, 0), 1e9, 5);
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global = 42;
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dispatch_source_set_event_handler(source, ^{
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fprintf(stderr, "global = %ld\n", global);
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dispatch_sync(dispatch_get_main_queue(), ^{
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CFRunLoopStop(CFRunLoopGetCurrent());
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});
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});
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dispatch_resume(source);
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CFRunLoopRun();
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return 0;
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}
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// CHECK: global = 42
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// CHECK-NOT: WARNING: ThreadSanitizer
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