40 lines · c
1// RUN: %clang_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s2#define _GNU_SOURCE3#include "../test.h"4#include <errno.h>5 6int var;7 8void *Thread(void *x) {9 barrier_wait(&barrier);10 var = 1;11 return 0;12}13 14static void check(int res, int expect) {15 if (res != expect) {16 fprintf(stderr, "Unexpected result of pthread_timedjoin_np: %d\n", res);17 exit(1);18 }19}20 21int main() {22 barrier_init(&barrier, 2);23 pthread_t t;24 pthread_create(&t, 0, Thread, 0);25 struct timespec ts;26 clock_gettime(CLOCK_REALTIME, &ts);27 check(pthread_timedjoin_np(t, 0, &ts), ETIMEDOUT);28 barrier_wait(&barrier);29 clock_gettime(CLOCK_REALTIME, &ts);30 ts.tv_sec += 10000;31 check(pthread_timedjoin_np(t, 0, &ts), 0);32 var = 2;33 fprintf(stderr, "PASS\n");34 return 0;35}36 37// CHECK-NOT: WARNING: ThreadSanitizer: data race38// CHECK-NOT: WARNING: ThreadSanitizer: thread leak39// CHECK: PASS40