| /* { dg-shouldfail "tsan" } */ |
| |
| #include <pthread.h> |
| #include <stdio.h> |
| #include <unistd.h> |
| |
| int Global; |
| pthread_mutex_t mtx; |
| |
| void *Thread1(void *x) { |
| sleep(1); |
| pthread_mutex_lock(&mtx); |
| Global++; |
| pthread_mutex_unlock(&mtx); |
| return NULL; |
| } |
| |
| void *Thread2(void *x) { |
| Global--; |
| return NULL;/* { dg-output ".*" } */ |
| |
| } |
| |
| int main() { |
| pthread_mutex_init(&mtx, 0); |
| 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 " Read of size 4 at 0x\[0-9a-f\]+ by thread T1 \\(mutexes: write M\[0-9\]\\):.*" } */ |
| /* { dg-output " Previous write of size 4 at 0x\[0-9a-f\]+ by thread T2:.*" } */ |
| /* { dg-output " Mutex M\[0-9\] created at:.*" } */ |
| /* { dg-output " #0 pthread_mutex_init.*" } */ |
| /* { dg-output " #1 main (.*mutexset1.c|\\?{2}):\[0-9]+.*" } */ |