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 // OS X doesn't have pthread_condattr_setclock.
7 // UNSUPPORTED: darwin
8
9 #include <stdio.h>
10 #include <stdlib.h>
11 #include <pthread.h>
12 #include <time.h>
13 #include <errno.h>
14
main()15 int 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