| 1 | // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s |
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| 2 | #include "test.h" |
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| 3 | |
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| 4 | #include <fcntl.h> |
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| 5 | |
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| 6 | void *Thread(void *x) { |
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| 7 | int fd = (long)x; |
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| 8 | char buf; |
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| 9 | read(fd: fd, buf: &buf, nbytes: 1); |
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| 10 | barrier_wait(barrier: &barrier); |
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| 11 | close(fd: fd); |
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| 12 | return NULL; |
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| 13 | } |
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| 14 | |
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| 15 | int main() { |
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| 16 | barrier_init(barrier: &barrier, count: 2); |
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| 17 | int fd = open(file: "/dev/random" , O_RDONLY); |
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| 18 | pthread_t t[2]; |
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| 19 | pthread_create(newthread: &t[0], NULL, start_routine: Thread, arg: (void *)(long)fd); |
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| 20 | pthread_create(newthread: &t[1], NULL, start_routine: Thread, arg: (void *)(long)fd); |
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| 21 | |
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| 22 | pthread_join(th: t[0], NULL); |
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| 23 | pthread_join(th: t[1], NULL); |
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| 24 | } |
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| 25 | |
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| 26 | // CHECK: WARNING: ThreadSanitizer: data race |
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| 27 | // CHECK: Location is file descriptor {{[0-9]+}} {{(destroyed by thread|created by main)}} |
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| 28 | // CHECK: #0 {{close|open}} |
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| 29 | // CHECK: #1 {{Thread|main}} |
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| 30 | |
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