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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 fds[2];
void *Thread1(void *x) {
write(fds[1], "a", 1);
barrier_wait(&barrier);
return NULL;
}
void *Thread2(void *x) {
barrier_wait(&barrier);
close(fds[0]);
close(fds[1]);
return NULL;
}
int main() {
barrier_init(&barrier, 2);
pipe(fds);
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" } */
/* { dg-output " Write of size 8.*\n" } */
/* { dg-output " #0 close.*\n" } */
/* { dg-output " #1 Thread2.*\n" } */
/* { dg-output " Previous read of size 8.*\n" } */
/* { dg-output " #0 write.*\n" } */
/* { dg-output " #1 Thread1.*\n" } */
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