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| // RUN: %clang_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
#define _GNU_SOURCE
#include "../test.h"
#include <errno.h>
int var;
void *Thread(void *x) {
barrier_wait(&barrier);
var = 1;
return 0;
}
static void check(int res) {
if (res != EBUSY) {
fprintf(stderr, "Unexpected result of pthread_tryjoin_np: %d\n", res);
exit(1);
}
}
int main() {
barrier_init(&barrier, 2);
pthread_t t;
pthread_create(&t, 0, Thread, 0);
check(pthread_tryjoin_np(t, 0));
barrier_wait(&barrier);
for (;;) {
int res = pthread_tryjoin_np(t, 0);
if (!res)
break;
check(res);
pthread_yield();
}
var = 2;
fprintf(stderr, "PASS\n");
return 0;
}
// CHECK-NOT: WARNING: ThreadSanitizer: data race
// CHECK-NOT: WARNING: ThreadSanitizer: thread leak
// CHECK: PASS
|