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// RUN: %clangxx_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
#include <pthread.h>
#include <stdio.h>
#include <unistd.h>
int pipes[2];
void *Thread(void *x) {
// wait for shutown signal
while (read(pipes[0], &x, 1) != 1) {
}
close(pipes[0]);
close(pipes[1]);
return 0;
}
int main() {
if (pipe(pipes))
return 1;
pthread_t t;
pthread_create(&t, 0, Thread, 0);
// send shutdown signal
while (write(pipes[1], &t, 1) != 1) {
}
pthread_join(t, 0);
fprintf(stderr, "OK\n");
}
// CHECK-NOT: WARNING: ThreadSanitizer: data race
// CHECK: OK
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