| 1 | // RUN: %clangxx_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s |
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| 2 | #include "test.h" |
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| 3 | #include <sys/types.h> |
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| 4 | #include <sys/stat.h> |
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| 5 | #include <fcntl.h> |
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| 6 | |
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| 7 | void *Thread1(void *x) { |
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| 8 | int f = open(file: "/dev/random" , O_RDONLY); |
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| 9 | close(fd: f); |
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| 10 | barrier_wait(barrier: &barrier); |
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| 11 | return NULL; |
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| 12 | } |
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| 13 | |
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| 14 | void *Thread2(void *x) { |
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| 15 | barrier_wait(barrier: &barrier); |
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| 16 | int f = open(file: "/dev/random" , O_RDONLY); |
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| 17 | close(fd: f); |
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| 18 | return NULL; |
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| 19 | } |
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| 20 | |
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| 21 | int main() { |
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| 22 | barrier_init(barrier: &barrier, count: 2); |
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| 23 | pthread_t t[2]; |
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| 24 | pthread_create(newthread: &t[0], NULL, start_routine: Thread1, NULL); |
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| 25 | pthread_create(newthread: &t[1], NULL, start_routine: Thread2, NULL); |
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| 26 | pthread_join(th: t[0], NULL); |
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| 27 | pthread_join(th: t[1], NULL); |
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| 28 | fprintf(stderr, format: "OK\n" ); |
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| 29 | } |
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| 30 | |
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| 31 | // CHECK-NOT: WARNING: ThreadSanitizer: data race |
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| 32 | |
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| 33 | |
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| 34 | |
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