| 1 | // RUN: %clangxx_tsan %s -o %t -framework Foundation |
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| 2 | // RUN: %run %t 2>&1 | FileCheck %s |
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| 3 | |
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| 4 | #import <Foundation/Foundation.h> |
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| 5 | |
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| 6 | #import <memory> |
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| 7 | |
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| 8 | #import "../test.h" |
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| 9 | |
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| 10 | long my_global; |
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| 11 | |
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| 12 | struct MyStruct { |
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| 13 | void setGlobal() { |
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| 14 | my_global = 42; |
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| 15 | } |
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| 16 | ~MyStruct() { |
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| 17 | my_global = 43; |
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| 18 | } |
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| 19 | }; |
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| 20 | |
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| 21 | int main(int argc, const char *argv[]) { |
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| 22 | fprintf(stderr, format: "Hello world.\n" ); |
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| 23 | print_address("addr=" , 1, &my_global); |
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| 24 | barrier_init(barrier: &barrier, count: 2); |
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| 25 | |
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| 26 | std::shared_ptr<MyStruct> shared(new MyStruct()); |
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| 27 | |
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| 28 | dispatch_queue_t q = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0); |
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| 29 | |
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| 30 | std::weak_ptr<MyStruct> weak(shared); |
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| 31 | |
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| 32 | dispatch_async(q, ^{ |
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| 33 | { |
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| 34 | std::shared_ptr<MyStruct> strong = weak.lock(); |
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| 35 | if (!strong) exit(status: 1); |
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| 36 | |
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| 37 | strong->setGlobal(); |
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| 38 | } |
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| 39 | barrier_wait(barrier: &barrier); |
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| 40 | }); |
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| 41 | |
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| 42 | barrier_wait(barrier: &barrier); |
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| 43 | shared.reset(); |
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| 44 | |
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| 45 | fprintf(stderr, format: "Done.\n" ); |
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| 46 | } |
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| 47 | |
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| 48 | // CHECK: Hello world. |
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| 49 | // CHECK: Done. |
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| 50 | // CHECK-NOT: WARNING: ThreadSanitizer |
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| 51 | |
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