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54 lines
1.1 KiB
54 lines
1.1 KiB
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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#import "../test.h"
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long global;
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int main() {
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NSLog(@"Hello world.");
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NSLog(@"addr=%p\n", &global);
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dispatch_queue_t q = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);
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global = 42;
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dispatch_group_t g = dispatch_group_create();
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dispatch_group_async(g, q, ^{
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global = 43;
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});
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dispatch_group_wait(g, DISPATCH_TIME_FOREVER);
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global = 44;
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dispatch_group_enter(g);
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dispatch_async(q, ^{
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global = 45;
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dispatch_group_leave(g);
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});
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dispatch_group_wait(g, DISPATCH_TIME_FOREVER);
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global = 46;
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dispatch_group_enter(g);
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dispatch_async(q, ^{
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global = 47;
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dispatch_group_leave(g);
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});
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dispatch_group_notify(g, q, ^{
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global = 48;
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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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CFRunLoopRun();
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NSLog(@"Done.");
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}
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// CHECK: Hello world.
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// CHECK: Done.
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// CHECK-NOT: WARNING: ThreadSanitizer
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