48 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			48 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
// RUN: %clang_tsan -O1 %s -o %t -lrt && %run %t 2>&1 | FileCheck %s
 | 
						|
// Test that pthread_cond is properly intercepted,
 | 
						|
// previously there were issues with versioned symbols.
 | 
						|
// CHECK: OK
 | 
						|
 | 
						|
// OS X doesn't have pthread_condattr_setclock.
 | 
						|
// UNSUPPORTED: darwin
 | 
						|
 | 
						|
#include <stdio.h>
 | 
						|
#include <stdlib.h>
 | 
						|
#include <pthread.h>
 | 
						|
#include <time.h>
 | 
						|
#include <errno.h>
 | 
						|
 | 
						|
int main() {
 | 
						|
  typedef unsigned long long u64;
 | 
						|
  pthread_mutex_t m;
 | 
						|
  pthread_cond_t c;
 | 
						|
  pthread_condattr_t at;
 | 
						|
  struct timespec ts0, ts1, ts2;
 | 
						|
  int res;
 | 
						|
  u64 sleep;
 | 
						|
 | 
						|
  pthread_mutex_init(&m, 0);
 | 
						|
  pthread_condattr_init(&at);
 | 
						|
  pthread_condattr_setclock(&at, CLOCK_MONOTONIC);
 | 
						|
  pthread_cond_init(&c, &at);
 | 
						|
 | 
						|
  clock_gettime(CLOCK_MONOTONIC, &ts0);
 | 
						|
  ts1 = ts0;
 | 
						|
  ts1.tv_sec += 2;
 | 
						|
 | 
						|
  pthread_mutex_lock(&m);
 | 
						|
  do {
 | 
						|
    res = pthread_cond_timedwait(&c, &m, &ts1);
 | 
						|
  } while (res == 0);
 | 
						|
  pthread_mutex_unlock(&m);
 | 
						|
 | 
						|
  clock_gettime(CLOCK_MONOTONIC, &ts2);
 | 
						|
  sleep = (u64)ts2.tv_sec * 1000000000 + ts2.tv_nsec -
 | 
						|
      ((u64)ts0.tv_sec * 1000000000 + ts0.tv_nsec);
 | 
						|
  if (res != ETIMEDOUT)
 | 
						|
    exit(printf("bad return value %d, want %d\n", res, ETIMEDOUT));
 | 
						|
  if (sleep < 1000000000)
 | 
						|
    exit(printf("bad sleep duration %lluns, want %dns\n", sleep, 1000000000));
 | 
						|
  fprintf(stderr, "OK\n");
 | 
						|
}
 |