| 1 | // Check that we don't crash when dispatch_main calls pthread_exit which |
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| 2 | // quits the main thread. |
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| 3 | |
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| 4 | // RUN: %clang_tsan %s -o %t |
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| 5 | // RUN: %run %t 2>&1 | FileCheck %s --implicit-check-not='ThreadSanitizer' |
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| 6 | |
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| 7 | #include <dispatch/dispatch.h> |
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| 8 | |
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| 9 | #include <stdio.h> |
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| 10 | #include <stdlib.h> |
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| 11 | |
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| 12 | int main() { |
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| 13 | fprintf(stderr,format: "Hello world" ); |
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| 14 | |
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| 15 | dispatch_queue_t q = dispatch_queue_create("my.queue" , DISPATCH_QUEUE_SERIAL); |
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| 16 | |
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| 17 | dispatch_async(q, ^{ |
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| 18 | fprintf(stderr,format: "1" ); |
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| 19 | }); |
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| 20 | |
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| 21 | dispatch_async(q, ^{ |
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| 22 | fprintf(stderr,format: "2" ); |
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| 23 | }); |
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| 24 | |
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| 25 | dispatch_async(q, ^{ |
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| 26 | fprintf(stderr,format: "3" ); |
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| 27 | |
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| 28 | dispatch_async(dispatch_get_main_queue(), ^{ |
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| 29 | fprintf(stderr,format: "Done." ); |
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| 30 | sleep(1); |
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| 31 | exit(status: 0); |
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| 32 | }); |
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| 33 | }); |
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| 34 | |
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| 35 | dispatch_main(); |
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| 36 | } |
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| 37 | |
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| 38 | // CHECK: Hello world |
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| 39 | // CHECK: 123 |
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| 40 | // CHECK: Done. |
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| 41 | |
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