Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1 | // RUN: %clang_tsan -O1 %s -o %t -lrt && %run %t 2>&1 | FileCheck %s |
| 2 | // Test that pthread_cond is properly intercepted, |
| 3 | // previously there were issues with versioned symbols. |
| 4 | // CHECK: OK |
| 5 | |
| 6 | #include <stdio.h> |
| 7 | #include <stdlib.h> |
| 8 | #include <pthread.h> |
| 9 | #include <time.h> |
| 10 | #include <errno.h> |
| 11 | |
| 12 | int main() { |
| 13 | typedef unsigned long long u64; |
| 14 | pthread_mutex_t m; |
| 15 | pthread_cond_t c; |
| 16 | pthread_condattr_t at; |
| 17 | struct timespec ts0, ts1, ts2; |
| 18 | int res; |
| 19 | u64 sleep; |
| 20 | |
| 21 | pthread_mutex_init(&m, 0); |
| 22 | pthread_condattr_init(&at); |
| 23 | pthread_condattr_setclock(&at, CLOCK_MONOTONIC); |
| 24 | pthread_cond_init(&c, &at); |
| 25 | |
| 26 | clock_gettime(CLOCK_MONOTONIC, &ts0); |
| 27 | ts1 = ts0; |
| 28 | ts1.tv_sec += 2; |
| 29 | |
| 30 | pthread_mutex_lock(&m); |
| 31 | do { |
| 32 | res = pthread_cond_timedwait(&c, &m, &ts1); |
| 33 | } while (res == 0); |
| 34 | pthread_mutex_unlock(&m); |
| 35 | |
| 36 | clock_gettime(CLOCK_MONOTONIC, &ts2); |
| 37 | sleep = (u64)ts2.tv_sec * 1000000000 + ts2.tv_nsec - |
| 38 | ((u64)ts0.tv_sec * 1000000000 + ts0.tv_nsec); |
| 39 | if (res != ETIMEDOUT) |
| 40 | exit(printf("bad return value %d, want %d\n", res, ETIMEDOUT)); |
| 41 | if (sleep < 1000000000) |
| 42 | exit(printf("bad sleep duration %lluns, want %dns\n", sleep, 1000000000)); |
| 43 | fprintf(stderr, "OK\n"); |
| 44 | } |