1/* { dg-shouldfail "tsan" } */ 2/* { dg-additional-options "-ldl" } */ 3 4#include <pthread.h> 5#include "tsan_barrier.h" 6 7static pthread_barrier_t barrier; 8int Global; 9pthread_mutex_t mtx; 10 11void *Thread1(void *x) { 12 barrier_wait(&barrier); 13 pthread_mutex_lock(&mtx); 14 Global++; 15 pthread_mutex_unlock(&mtx); 16 return NULL; 17} 18 19void *Thread2(void *x) { 20 Global--; 21 barrier_wait(&barrier); 22 return NULL;/* { dg-output ".*" } */ 23 24} 25 26int main() { 27 barrier_init(&barrier, 2); 28 pthread_mutex_init(&mtx, 0); 29 pthread_t t[2]; 30 pthread_create(&t[0], NULL, Thread1, NULL); 31 pthread_create(&t[1], NULL, Thread2, NULL); 32 pthread_join(t[0], NULL); 33 pthread_join(t[1], NULL); 34 pthread_mutex_destroy(&mtx); 35 return 0; 36} 37 38/* { dg-output "WARNING: ThreadSanitizer: data race.*(\n|\r\n|\r)" } */ 39/* { dg-output " Read of size 4 at 0x\[0-9a-f\]+ by thread T1 \\(mutexes: write M\[0-9\]\\):.*" } */ 40/* { dg-output " Previous write of size 4 at 0x\[0-9a-f\]+ by thread T2:.*" } */ 41/* { dg-output " Mutex M\[0-9\] \\(0x.*\\) created at:.*" } */ 42/* { dg-output " #0 pthread_mutex_init.*" } */ 43/* { dg-output " #1 main (.*mutexset1.c|\\?{2}):\[0-9]+.*" } */ 44