Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/c-c++-common/tsan/race_on_mutex.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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/* { dg-shouldfail "tsan" } */ /* { dg-additional-options "-ldl" } */ #include <pthread.h> #include "tsan_barrier.h" static pthread_barrier_t barrier; pthread_mutex_t Mtx; int Global; void *Thread1(void *x) { pthread_mutex_init(&Mtx, 0); pthread_mutex_lock(&Mtx); Global = 42; pthread_mutex_unlock(&Mtx); barrier_wait(&barrier); return NULL; } void *Thread2(void *x) { barrier_wait(&barrier); pthread_mutex_lock(&Mtx); Global = 43; pthread_mutex_unlock(&Mtx); return NULL; } int main() { barrier_init(&barrier, 2); pthread_t t[2]; pthread_create(&t[0], NULL, Thread1, NULL); pthread_create(&t[1], NULL, Thread2, NULL); pthread_join(t[0], NULL); pthread_join(t[1], NULL); pthread_mutex_destroy(&Mtx); return 0; } /* { dg-output "WARNING: ThreadSanitizer: data race.*(\n|\r\n|\r)" } */ /* { dg-output " Atomic read of size \[0-9]\+ at .* by thread T2:(\n|\r\n|\r)" } */ /* { dg-output " #0 pthread_mutex_lock.*" } */ /* { dg-output " #1 Thread2.* .*(race_on_mutex.c:22|\\?{2}:0) (.*)" } */ /* { dg-output " Previous write of size \[0-9]\+ at .* by thread T1:(\n|\r\n|\r)" } */ /* { dg-output "( #0 \[^\n\r\]*(\n|\r\n|\r))?" } */ /* { dg-output " #\[01\] ((__GI_)?__)?pthread_mutex_init \[^\n\r\]* (.)*" } */ /* { dg-output " #\[12\] Thread1.* .*(race_on_mutex.c:12|\\?{2}:0) .*" } */