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/* { dg-shouldfail "tsan" } */
/* { dg-additional-options "-ldl" } */
#include <pthread.h>
#include <unistd.h>
#include "tsan_barrier.h"
static pthread_barrier_t barrier;
int X = 0;
void MySleep() {
sleep(1);
}
void *Thread(void *p) {
barrier_wait(&barrier);
MySleep(); // Assume the main thread has done the write.
X = 42;
return 0;
}
int main() {
barrier_init(&barrier, 2);
pthread_t t;
pthread_create(&t, 0, Thread, 0);
X = 43;
barrier_wait(&barrier);
pthread_join(t, 0);
return 0;
}
/* { dg-output "WARNING: ThreadSanitizer: data race.*(\n|\r\n|\r).*} */
/* { dg-output " As if synchronized via sleep:(\n|\r\n|\r)} */
/* { dg-output " #0 sleep.*"*} */
/* { dg-output " #1 MySleep.*"*} */
/* { dg-output " #2 Thread.*"*} */
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