48 lines · c
1// RUN: %clang_tsan -O1 %s -o %t -lrt && %run %t 2>&1 | FileCheck %s2// Test that pthread_cond is properly intercepted,3// previously there were issues with versioned symbols.4// CHECK: OK5 6// OS X doesn't have pthread_condattr_setclock.7// UNSUPPORTED: darwin8 9#include <stdio.h>10#include <stdlib.h>11#include <pthread.h>12#include <time.h>13#include <errno.h>14 15int main() {16 typedef unsigned long long u64;17 pthread_mutex_t m;18 pthread_cond_t c;19 pthread_condattr_t at;20 struct timespec ts0, ts1, ts2;21 int res;22 u64 sleep;23 24 pthread_mutex_init(&m, 0);25 pthread_condattr_init(&at);26 pthread_condattr_setclock(&at, CLOCK_MONOTONIC);27 pthread_cond_init(&c, &at);28 29 clock_gettime(CLOCK_MONOTONIC, &ts0);30 ts1 = ts0;31 ts1.tv_sec += 2;32 33 pthread_mutex_lock(&m);34 do {35 res = pthread_cond_timedwait(&c, &m, &ts1);36 } while (res == 0);37 pthread_mutex_unlock(&m);38 39 clock_gettime(CLOCK_MONOTONIC, &ts2);40 sleep = (u64)ts2.tv_sec * 1000000000 + ts2.tv_nsec -41 ((u64)ts0.tv_sec * 1000000000 + ts0.tv_nsec);42 if (res != ETIMEDOUT)43 exit(printf("bad return value %d, want %d\n", res, ETIMEDOUT));44 if (sleep < 1000000000)45 exit(printf("bad sleep duration %lluns, want %dns\n", sleep, 1000000000));46 fprintf(stderr, "OK\n");47}48