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/* { dg-shouldfail "tsan" } */
#include <pthread.h>
#include <unistd.h>
int Global;
void *Thread1(void *x) {
sleep(1);
__atomic_fetch_add(&Global, 1, __ATOMIC_RELAXED);
return NULL;
}
void *Thread2(void *x) {
Global++;
return NULL;
}
int main() {
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);
return 0;
}
/* { dg-output "WARNING: ThreadSanitizer: data race.*(\n|\r\n|\r)" } */
/* { dg-output " Atomic write of size 4.*" } */
/* { dg-output " #0 __tsan_atomic32_fetch_add.*" } */
/* { dg-output " #1 Thread1.*" } */
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