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32 lines
789 B
32 lines
789 B
4 months ago
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// RUN: %clangxx_tsan %s -o %t -framework Foundation -fobjc-arc
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// RUN: not %run %t 2>&1 | FileCheck %s
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// RUN: %env_tsan_opts=detect_deadlocks=1 not %run %t 2>&1 | FileCheck %s
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// RUN: %env_tsan_opts=detect_deadlocks=0 %run %t 2>&1 | FileCheck %s --check-prefix=DISABLED
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#import <Foundation/Foundation.h>
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int main() {
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@autoreleasepool {
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NSObject* obj1 = [NSObject new];
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NSObject* obj2 = [NSObject new];
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// obj1 -> obj2
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@synchronized(obj1) {
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@synchronized(obj2) {
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}
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}
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// obj1 -> obj1
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@synchronized(obj2) {
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@synchronized(obj1) {
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// CHECK: ThreadSanitizer: lock-order-inversion (potential deadlock)
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}
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}
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}
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NSLog(@"PASS");
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// DISABLED-NOT: ThreadSanitizer
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// DISABLED: PASS
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return 0;
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}
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