コード例 #1
0
int
main()
{
  pthread_t t[NUMTHREADS];
  struct timespec abstime = { 0, 0 };
  PTW32_STRUCT_TIMEB currSysTime;
  const DWORD NANOSEC_PER_MILLISEC = 1000000;

  cvthing.shared = 0;

  assert((t[0] = pthread_self()).p != NULL);

  assert(cvthing.notbusy == PTHREAD_COND_INITIALIZER);

  assert(cvthing.lock == PTHREAD_MUTEX_INITIALIZER);

  assert(pthread_mutex_lock(&cvthing.lock) == 0);

  assert(cvthing.lock != PTHREAD_MUTEX_INITIALIZER);

  /* get current system time */
  PTW32_FTIME(&currSysTime);

  abstime.tv_sec = (long)currSysTime.time;
  abstime.tv_nsec = NANOSEC_PER_MILLISEC * currSysTime.millitm;

  abstime.tv_sec += 5;

  assert(pthread_cond_timedwait(&cvthing.notbusy, &cvthing.lock, &abstime) == ETIMEDOUT);
  
  assert(cvthing.notbusy != PTHREAD_COND_INITIALIZER);

  assert(pthread_create(&t[1], NULL, mythread, (void *) 1) == 0);

  PTW32_FTIME(&currSysTime);

  abstime.tv_sec = (long)currSysTime.time;
  abstime.tv_nsec = NANOSEC_PER_MILLISEC * currSysTime.millitm;

  abstime.tv_sec += 5;

  while (! (cvthing.shared > 0))
    assert(pthread_cond_timedwait(&cvthing.notbusy, &cvthing.lock, &abstime) == 0);

  assert(cvthing.shared > 0);

  assert(pthread_mutex_unlock(&cvthing.lock) == 0);

  assert(pthread_join(t[1], NULL) == 0);

  assert(pthread_mutex_destroy(&cvthing.lock) == 0);

  assert(cvthing.lock == NULL);

  assert(pthread_cond_destroy(&cvthing.notbusy) == 0);

  assert(cvthing.notbusy == NULL);

  return 0;
}
コード例 #2
0
int
main()
{
  pthread_t t;
  struct timespec abstime = { 0, 0 };
  PTW32_STRUCT_TIMEB currSysTime;
  const DWORD NANOSEC_PER_MILLISEC = 1000000;

  PTW32_FTIME(&currSysTime);

  abstime.tv_sec = (long)currSysTime.time;
  abstime.tv_nsec = NANOSEC_PER_MILLISEC * currSysTime.millitm;

  abstime.tv_sec += 1;

  assert(pthread_rwlock_timedrdlock(&rwlock1, &abstime) == 0);

  assert(pthread_create(&t, NULL, func, NULL) == 0);

  Sleep(2000);

  assert(pthread_rwlock_unlock(&rwlock1) == 0);

  assert(washere == 1);

  return 0;
}
コード例 #3
0
ファイル: stress1.c プロジェクト: VFR-maniac/pthreads-win32
/*
 * Returns abstime 'milliseconds' from 'now'.
 *
 * Works for: -INT_MAX <= millisecs <= INT_MAX
 */
struct timespec *
millisecondsFromNow (struct timespec * time, int millisecs)
{
#if (defined(__MINGW64__) || defined(__MINGW32__)) && __MSVCRT_VERSION__ >= 0x0601
  struct __timeb64 currSysTime;
#else
  struct _timeb currSysTime;
#endif
  int64_t nanosecs, secs;
  const int64_t NANOSEC_PER_MILLISEC = 1000000;
  const int64_t NANOSEC_PER_SEC = 1000000000;

  /* get current system time and add millisecs */
  PTW32_FTIME(&currSysTime);

  secs = (int64_t)(currSysTime.time) + (millisecs / 1000);
  nanosecs = ((int64_t) (millisecs%1000 + currSysTime.millitm)) * NANOSEC_PER_MILLISEC;
  if (nanosecs >= NANOSEC_PER_SEC)
    {
      secs++;
      nanosecs -= NANOSEC_PER_SEC;
    }
  else if (nanosecs < 0)
    {
      secs--;
      nanosecs += NANOSEC_PER_SEC;
    }

  time->tv_nsec = (long)nanosecs;
  time->tv_sec = (long)secs;

  return time;
}
コード例 #4
0
ファイル: rwlock6_t.c プロジェクト: DMDZYP/pthread-win32
static void * rdfunc(void * arg)
{
  int ba = -1;
  struct timespec abstime = { 0, 0 };
  PTW32_STRUCT_TIMEB currSysTime;
  const DWORD NANOSEC_PER_MILLISEC = 1000000;

  PTW32_FTIME(&currSysTime);

  abstime.tv_sec = (long)currSysTime.time;
  abstime.tv_nsec = NANOSEC_PER_MILLISEC * currSysTime.millitm;


  if ((int) (size_t)arg == 1)
    {
      abstime.tv_sec += 1;
      assert(pthread_rwlock_timedrdlock(&rwlock1, &abstime) == ETIMEDOUT);
      ba = 0;
    }
  else if ((int) (size_t)arg == 2)
    {
      abstime.tv_sec += 3;
      assert(pthread_rwlock_timedrdlock(&rwlock1, &abstime) == 0);
      ba = bankAccount;
      assert(pthread_rwlock_unlock(&rwlock1) == 0);
    }

  return ((void *)(size_t)ba);
}
コード例 #5
0
/*
 * Returns abstime 'milliseconds' from 'now'.
 *
 * Works for: -INT_MAX <= millisecs <= INT_MAX
 */
struct timespec *
millisecondsFromNow (struct timespec * time, int millisecs)
{
  PTW32_STRUCT_TIMEB currSysTime;
  int64_t nanosecs, secs;
  const int64_t NANOSEC_PER_MILLISEC = 1000000;
  const int64_t NANOSEC_PER_SEC = 1000000000;

  /* get current system time and add millisecs */
  PTW32_FTIME(&currSysTime);

  secs = (int64_t)(currSysTime.time) + (millisecs / 1000);
  nanosecs = ((int64_t) (millisecs%1000 + currSysTime.millitm)) * NANOSEC_PER_MILLISEC;
  if (nanosecs >= NANOSEC_PER_SEC)
    {
      secs++;
      nanosecs -= NANOSEC_PER_SEC;
    }
  else if (nanosecs < 0)
    {
      secs--;
      nanosecs += NANOSEC_PER_SEC;
    }

  time->tv_nsec = (long)nanosecs;
  time->tv_sec = (long)secs;

  return time;
}
コード例 #6
0
int _tmain(int argc, _TCHAR* argv[])
//int
//main()
{
  int i;
  pthread_t t[NUMTHREADS + 1];
  void* result = (void*)0;
  PTW32_STRUCT_TIMEB currSysTime;
  const DWORD NANOSEC_PER_MILLISEC = 1000000;

  assert(pthread_cond_init(&cv, NULL) == 0);

  assert(pthread_mutex_init(&mutex, NULL) == 0);

  /* get current system time */
  PTW32_FTIME(&currSysTime);

  abstime.tv_sec = (long)currSysTime.time;
  abstime.tv_nsec = NANOSEC_PER_MILLISEC * currSysTime.millitm;

  abstime.tv_sec += 5;

  assert(pthread_mutex_lock(&mutex) == 0);

  for (i = 1; i <= NUMTHREADS; i++)
    {
      assert(pthread_create(&t[i], NULL, mythread, (void *)(size_t)i) == 0);
    }

  assert(pthread_mutex_unlock(&mutex) == 0);

  for (i = 1; i <= NUMTHREADS; i++)
    {
      assert(pthread_join(t[i], &result) == 0);
	assert((int)(size_t)result == i);
    }

  {
  int result = pthread_cond_destroy(&cv);
  if (result != 0)
    {
      fprintf(stderr, "Result = %s\n", error_string[result]);
	fprintf(stderr, "\tWaitersBlocked = %ld\n", cv->nWaitersBlocked);
	fprintf(stderr, "\tWaitersGone = %ld\n", cv->nWaitersGone);
	fprintf(stderr, "\tWaitersToUnblock = %ld\n", cv->nWaitersToUnblock);
	fflush(stderr);
    }
  assert(result == 0);
  }

  return 0;
}
コード例 #7
0
int main()
{
   int rc;

   struct timespec abstime = { 0, 0 };
   PTW32_STRUCT_TIMEB currSysTime;
   const DWORD NANOSEC_PER_MILLISEC = 1000000;

   assert(pthread_cond_init(&cnd, 0) == 0);
   assert(pthread_mutex_init(&mtx, 0) == 0);

   /* get current system time */
   PTW32_FTIME(&currSysTime);

   abstime.tv_sec = (long)currSysTime.time;
   abstime.tv_nsec = NANOSEC_PER_MILLISEC * currSysTime.millitm;
   abstime.tv_sec += 1;

   /* Here pthread_cond_timedwait should time out after one second. */

   assert(pthread_mutex_lock(&mtx) == 0);

   assert((rc = pthread_cond_timedwait(&cnd, &mtx, &abstime)) == ETIMEDOUT);

   assert(pthread_mutex_unlock(&mtx) == 0);

   /* Here, the condition variable is signaled, but there are no
      threads waiting on it. The signal should be lost and
      the next pthread_cond_timedwait should time out too. */

//   assert(pthread_mutex_lock(&mtx) == 0);

   assert((rc = pthread_cond_signal(&cnd)) == 0);

//   assert(pthread_mutex_unlock(&mtx) == 0);

   assert(pthread_mutex_lock(&mtx) == 0);

   abstime.tv_sec = (long)currSysTime.time;
   abstime.tv_nsec = NANOSEC_PER_MILLISEC * currSysTime.millitm;
   abstime.tv_sec += 1;

   assert((rc = pthread_cond_timedwait(&cnd, &mtx, &abstime)) == ETIMEDOUT);

   assert(pthread_mutex_unlock(&mtx) == 0);

   return 0;
}
コード例 #8
0
ファイル: mutex8e.c プロジェクト: AhmedAbdulSalam5/obs-studio
void * locker(void * arg)
{
  struct timespec abstime = { 0, 0 };
  PTW32_STRUCT_TIMEB currSysTime;
  const DWORD NANOSEC_PER_MILLISEC = 1000000;

  PTW32_FTIME(&currSysTime);

  abstime.tv_sec = (long)currSysTime.time;
  abstime.tv_nsec = NANOSEC_PER_MILLISEC * currSysTime.millitm;

  abstime.tv_sec += 1;

  assert(pthread_mutex_timedlock(&mutex, &abstime) == ETIMEDOUT);

  lockCount++;

  return 0;
}
コード例 #9
0
ファイル: condvar2.c プロジェクト: dudymas/pthread-win32
int
test_condvar2(void)
#endif
{
  struct timespec abstime = { 0, 0 };
  PTW32_STRUCT_TIMEB currSysTime;
  const DWORD NANOSEC_PER_MILLISEC = 1000000;

  assert(pthread_cond_init(&cv, NULL) == 0);

  assert(pthread_mutex_init(&mutex, NULL) == 0);

  assert(pthread_mutex_lock(&mutex) == 0);

  /* get current system time */
  PTW32_FTIME(&currSysTime);

  abstime.tv_sec = (long)currSysTime.time;
  abstime.tv_nsec = NANOSEC_PER_MILLISEC * currSysTime.millitm;

  abstime.tv_sec += 1;

  assert(pthread_cond_timedwait(&cv, &mutex, &abstime) == ETIMEDOUT);

  assert(pthread_mutex_unlock(&mutex) == 0);

  {
  int result = pthread_cond_destroy(&cv);
  if (result != 0)
    {
      fprintf(stderr, "Result = %s\n", error_string[result]);
      fprintf(stderr, "\tWaitersBlocked = %ld\n", cv->nWaitersBlocked);
      fprintf(stderr, "\tWaitersGone = %ld\n", cv->nWaitersGone);
      fprintf(stderr, "\tWaitersToUnblock = %ld\n", cv->nWaitersToUnblock);
      fflush(stderr);
    }
  assert(result == 0);
  }

  return 0;
}
コード例 #10
0
int
main()
{
  pthread_t wrt1;
  pthread_t wrt2;
  pthread_t rdt;
  void* wr1Result = (void*)0;
  void* wr2Result = (void*)0;
  void* rdResult = (void*)0;
#if (defined(__MINGW64__) || defined(__MINGW32__)) && __MSVCRT_VERSION__ >= 0x0601
  struct __timeb64 currSysTime;
#else
  struct _timeb currSysTime;
#endif
  const DWORD NANOSEC_PER_MILLISEC = 1000000;

  PTW32_FTIME(&currSysTime);

  abstime.tv_sec = (long)currSysTime.time;
  abstime.tv_nsec = NANOSEC_PER_MILLISEC * currSysTime.millitm;

  abstime.tv_sec += 1;

  bankAccount = 0;

  assert(pthread_create(&wrt1, NULL, wrfunc, (void *)(size_t)1) == 0);
  Sleep(100);
  assert(pthread_create(&rdt, NULL, rdfunc, NULL) == 0);
  Sleep(100);
  assert(pthread_create(&wrt2, NULL, wrfunc, (void *)(size_t)2) == 0);

  assert(pthread_join(wrt1, &wr1Result) == 0);
  assert(pthread_join(rdt, &rdResult) == 0);
  assert(pthread_join(wrt2, &wr2Result) == 0);

  assert((int)(size_t)wr1Result == 10);
  assert((int)(size_t)rdResult == 0);
  assert((int)(size_t)wr2Result == 100);

  return 0;
}
コード例 #11
0
ファイル: join4.c プロジェクト: erdincay/vcxsrv-linux2windows
int
main(int argc, char * argv[])
{
        pthread_t id;
        struct timespec abstime;
        void* result = (void*)-1;
        PTW32_STRUCT_TIMEB currSysTime;
        const DWORD NANOSEC_PER_MILLISEC = 1000000;

        assert(pthread_create(&id, NULL, func, (void *)(size_t)999) == 0);

        /*
         * Let thread start before we attempt to join it.
         */
        Sleep(100);

        PTW32_FTIME(&currSysTime);

        abstime.tv_sec = (long)currSysTime.time;
        abstime.tv_nsec = NANOSEC_PER_MILLISEC * currSysTime.millitm;

        /* Test for pthread_timedjoin_np timeout */
        abstime.tv_sec += 1;
        assert(pthread_timedjoin_np(id, &result, &abstime) == ETIMEDOUT);
        assert((int)(size_t)result == -1);

        /* Test for pthread_tryjoin_np behaviour before thread has exited */
        assert(pthread_tryjoin_np(id, &result) == EBUSY);
        assert((int)(size_t)result == -1);

        Sleep(500);

        /* Test for pthread_tryjoin_np behaviour after thread has exited */
        assert(pthread_tryjoin_np(id, &result) == 0);
        assert((int)(size_t)result == 999);

        /* Success. */
        return 0;
}
コード例 #12
0
ファイル: rwlock6_t2.c プロジェクト: DMDZYP/pthread-win32
int
test_rwlock6_t2(void)
#endif
{
  pthread_t wrt1;
  pthread_t wrt2;
  pthread_t rdt;
  void* wr1Result = (void*)0;
  void* wr2Result = (void*)0;
  void* rdResult = (void*)0;
  PTW32_STRUCT_TIMEB currSysTime;
  const DWORD NANOSEC_PER_MILLISEC = 1000000;

  PTW32_FTIME(&currSysTime);

  abstime.tv_sec = (long)currSysTime.time;
  abstime.tv_nsec = NANOSEC_PER_MILLISEC * currSysTime.millitm;

  abstime.tv_sec += 1;

  bankAccount = 0;

  assert(pthread_create(&wrt1, NULL, wrfunc, (void *)(size_t)1) == 0);
  Sleep(100);
  assert(pthread_create(&rdt, NULL, rdfunc, NULL) == 0);
  Sleep(100);
  assert(pthread_create(&wrt2, NULL, wrfunc, (void *)(size_t)2) == 0);

  assert(pthread_join(wrt1, &wr1Result) == 0);
  assert(pthread_join(rdt, &rdResult) == 0);
  assert(pthread_join(wrt2, &wr2Result) == 0);

  assert((int)(size_t)wr1Result == 10);
  assert((int)(size_t)rdResult == 0);
  assert((int)(size_t)wr2Result == 100);

  return 0;
}
コード例 #13
0
ファイル: condvar8.c プロジェクト: VFR-maniac/pthreads-win32
int
main()
{
  int failed = 0;
  int i;
  int first, last;
  pthread_t t[NUMTHREADS + 1];

#if (defined(__MINGW64__) || defined(__MINGW32__)) && __MSVCRT_VERSION__ >= 0x0601
  struct __timeb64 currSysTime;
#else
  struct _timeb currSysTime;
#endif
  const DWORD NANOSEC_PER_MILLISEC = 1000000;

  assert((t[0] = pthread_self()).p != NULL);

  assert(cvthing.notbusy == PTHREAD_COND_INITIALIZER);

  assert(cvthing.lock == PTHREAD_MUTEX_INITIALIZER);

  PTW32_FTIME(&currSysTime);

  abstime.tv_sec = (long)currSysTime.time;
  abstime.tv_nsec = NANOSEC_PER_MILLISEC * currSysTime.millitm;

  abstime.tv_sec += 10;

  assert((t[0] = pthread_self()).p != NULL);

  awoken = 0;

  for (first = 1, last = NUMTHREADS / 2;
       first < NUMTHREADS;
       first = last + 1, last = NUMTHREADS)
    {
      assert(pthread_mutex_lock(&start_flag) == 0);

      for (i = first; i <= last; i++)
	{
	  threadbag[i].started = 0;
	  threadbag[i].threadnum = i;
	  assert(pthread_create(&t[i], NULL, mythread, (void *) &threadbag[i]) == 0);
	}

      /*
       * Code to control or munipulate child threads should probably go here.
       */
      cvthing.shared = 0;

      assert(pthread_mutex_unlock(&start_flag) == 0);

      /*
       * Give threads time to start.
       */
      Sleep(100);

      assert(pthread_mutex_lock(&cvthing.lock) == 0);
      cvthing.shared++;
      assert(pthread_mutex_unlock(&cvthing.lock) == 0);

      assert(pthread_cond_broadcast(&cvthing.notbusy) == 0);

      /*
       * Give threads time to complete.
       */
      for (i = first; i <= last; i++)
	{
	  assert(pthread_join(t[i], NULL) == 0);
	}

      assert(awoken == (i - 1));
    }


  /*
   * Standard check that all threads started.
   */
  for (i = 1; i <= NUMTHREADS; i++)
    { 
      failed = !threadbag[i].started;

      if (failed)
	{
	  fprintf(stderr, "Thread %d: started %d\n", i, threadbag[i].started);
	}
    }

  /* 
   * Cleanup the CV.
   */
  
  assert(pthread_mutex_destroy(&cvthing.lock) == 0);

  assert(cvthing.lock == NULL);

  assert(pthread_cond_destroy(&cvthing.notbusy) == 0);

  assert(cvthing.notbusy == NULL);

  assert(!failed);

  /*
   * Check any results here.
   */

  assert(awoken == NUMTHREADS);

  /*
   * Success.
   */
  return 0;
}
コード例 #14
0
int
main()
{
  int i;
  pthread_t t[NUMTHREADS + 1];
  void* result = (void*)0;
  PTW32_STRUCT_TIMEB currSysTime;
  const DWORD NANOSEC_PER_MILLISEC = 1000000;

  assert(pthread_cond_init(&cv, NULL) == 0);
  assert(pthread_cond_init(&cv1, NULL) == 0);

  assert(pthread_mutex_init(&mutex, NULL) == 0);
  assert(pthread_mutex_init(&mutex1, NULL) == 0);

  /* get current system time */
  PTW32_FTIME(&currSysTime);

  abstime.tv_sec = (long)currSysTime.time;
  abstime.tv_nsec = NANOSEC_PER_MILLISEC * currSysTime.millitm;

  abstime.tv_sec += 5;

  assert(pthread_mutex_lock(&mutex1) == 0);

  for (i = 1; i <= NUMTHREADS; i++)
    {
      assert(pthread_create(&t[i], NULL, mythread, (void *)(size_t)i) == 0);
    }

  do {
    assert(pthread_cond_wait(&cv1,&mutex1) == 0);
  } while ( NUMTHREADS > waiting );

  assert(pthread_mutex_unlock(&mutex1) == 0);

  for (i = NUMTHREADS/3; i <= 2*NUMTHREADS/3; i++)
    {
//      assert(pthread_mutex_lock(&mutex) == 0);
      assert(pthread_cond_signal(&cv) == 0);
//      assert(pthread_mutex_unlock(&mutex) == 0);

      signaled++;
    }

  for (i = 1; i <= NUMTHREADS; i++)
    {
      assert(pthread_join(t[i], &result) == 0);
        assert((int)(size_t)result == i);
    }

      fprintf(stderr, "awk = %d\n", awoken);
      fprintf(stderr, "sig = %d\n", signaled);
      fprintf(stderr, "tot = %d\n", timedout);

  assert(signaled == awoken);
  assert(timedout == NUMTHREADS - signaled);

  assert(pthread_cond_destroy(&cv1) == 0);

  {
  int result = pthread_cond_destroy(&cv);
  if (result != 0)
    {
      fprintf(stderr, "Result = %s\n", error_string[result]);
        fprintf(stderr, "\tWaitersBlocked = %ld\n", cv->nWaitersBlocked);
        fprintf(stderr, "\tWaitersGone = %ld\n", cv->nWaitersGone);
        fprintf(stderr, "\tWaitersToUnblock = %ld\n", cv->nWaitersToUnblock);
        fflush(stderr);
    }
  assert(result == 0);
  }

  assert(pthread_mutex_destroy(&mutex1) == 0);
  assert(pthread_mutex_destroy(&mutex) == 0);

  return 0;
}
コード例 #15
0
int
main()
{
  int failed = 0;
  int i;
  pthread_t t[NUMTHREADS + 1];

  PTW32_STRUCT_TIMEB currSysTime;
  const DWORD NANOSEC_PER_MILLISEC = 1000000;

  cvthing.shared = 0;

  assert((t[0] = pthread_self()).p != NULL);

  assert(cvthing.notbusy == PTHREAD_COND_INITIALIZER);

  assert(cvthing.lock == PTHREAD_MUTEX_INITIALIZER);

  assert(pthread_mutex_lock(&start_flag) == 0);

  PTW32_FTIME(&currSysTime);

  abstime.tv_sec = (time_t)currSysTime.time;
  abstime.tv_nsec = NANOSEC_PER_MILLISEC * currSysTime.millitm;

  abstime.tv_sec += 10;

  assert((t[0] = pthread_self()).p != NULL);

  awoken = 0;

  for (i = 1; i <= NUMTHREADS; i++)
    {
      threadbag[i].started = 0;
      threadbag[i].threadnum = i;
      assert(pthread_create(&t[i], NULL, mythread, (void *) &threadbag[i]) == 0);
    }

  /*
   * Code to control or munipulate child threads should probably go here.
   */

  assert(pthread_mutex_unlock(&start_flag) == 0);

  /*
   * Give threads time to start.
   */
  Sleep(1000);

  /*
   * Cancel one of the threads.
   */
  assert(pthread_cancel(t[1]) == 0);
  assert(pthread_join(t[1], NULL) == 0);

  assert(pthread_mutex_lock(&cvthing.lock) == 0);
  cvthing.shared++;
  assert(pthread_mutex_unlock(&cvthing.lock) == 0);

  /*
   * Signal all remaining waiting threads.
   */
  assert(pthread_cond_broadcast(&cvthing.notbusy) == 0);

  /*
   * Wait for all threads to complete.
   */
  for (i = 2; i <= NUMTHREADS; i++)
    assert(pthread_join(t[i], NULL) == 0);

  /* 
   * Cleanup the CV.
   */
  
  assert(pthread_mutex_destroy(&cvthing.lock) == 0);

  assert(cvthing.lock == NULL);

  assert(pthread_cond_destroy(&cvthing.notbusy) == 0);

  assert(cvthing.notbusy == NULL);

  /*
   * Standard check that all threads started.
   */
  for (i = 1; i <= NUMTHREADS; i++)
    { 
      failed = !threadbag[i].started;

      if (failed)
	{
	  fprintf(stderr, "Thread %d: started %d\n", i, threadbag[i].started);
	}
    }

  assert(!failed);

  /*
   * Check any results here.
   */

  assert(awoken == (NUMTHREADS - 1));

  /*
   * Success.
   */
  return 0;
}
コード例 #16
0
ファイル: rwlock8.c プロジェクト: VFR-maniac/pthreads-win32
int
main (int argc, char *argv[])
{
  int count;
  int data_count;
  int thread_updates = 0;
  int data_updates = 0;
  int seed = 1;

#if (defined(__MINGW64__) || defined(__MINGW32__)) && __MSVCRT_VERSION__ >= 0x0601
  struct __timeb64 currSysTime1;
  struct __timeb64 currSysTime2;
#else
  struct _timeb currSysTime1;
  struct _timeb currSysTime2;
#endif

  /*
   * Initialize the shared data.
   */
  for (data_count = 0; data_count < DATASIZE; data_count++)
    {
      data[data_count].data = 0;
      data[data_count].updates = 0;

      assert(pthread_rwlock_init (&data[data_count].lock, NULL) == 0);
    }

  PTW32_FTIME(&currSysTime1);

  /*
   * Create THREADS threads to access shared data.
   */
  for (count = 0; count < THREADS; count++)
    {
      threads[count].thread_num = count;
      threads[count].updates = 0;
      threads[count].reads = 0;
      threads[count].seed = 1 + rand_r (&seed) % 71;

      assert(pthread_create (&threads[count].thread_id,
                             NULL, thread_routine, (void*)(size_t)&threads[count]) == 0);
    }

  /*
   * Wait for all threads to complete, and collect
   * statistics.
   */
  for (count = 0; count < THREADS; count++)
    {
      assert(pthread_join (threads[count].thread_id, NULL) == 0);
    }

  putchar('\n');
  fflush(stdout);

  for (count = 0; count < THREADS; count++)
    {
      if (threads[count].changed > 0)
        {
          printf ("Thread %d found changed elements %d times\n",
                  count, threads[count].changed);
        }
    }

  putchar('\n');
  fflush(stdout);

  for (count = 0; count < THREADS; count++)
    {
      thread_updates += threads[count].updates;
      printf ("%02d: seed %d, updates %d, reads %d\n",
              count, threads[count].seed,
              threads[count].updates, threads[count].reads);
    }

  putchar('\n');
  fflush(stdout);

  /*
   * Collect statistics for the data.
   */
  for (data_count = 0; data_count < DATASIZE; data_count++)
    {
      data_updates += data[data_count].updates;
      printf ("data %02d: value %d, %d updates\n",
              data_count, data[data_count].data, data[data_count].updates);
      assert(pthread_rwlock_destroy (&data[data_count].lock) == 0);
    }

  printf ("%d thread updates, %d data updates\n",
          thread_updates, data_updates);

  PTW32_FTIME(&currSysTime2);

  printf( "\nstart: %ld/%d, stop: %ld/%d, duration:%ld\n",
          (long)currSysTime1.time,currSysTime1.millitm,
          (long)currSysTime2.time,currSysTime2.millitm,
          ((long)((currSysTime2.time*1000+currSysTime2.millitm) -
          (currSysTime1.time*1000+currSysTime1.millitm))));

  return 0;
}
コード例 #17
0
int
main()
{
    int i;
    pthread_t t[NUMTHREADS + 1];
    void* result = (void*)0;
#if (defined(__MINGW64__) || defined(__MINGW32__)) && __MSVCRT_VERSION__ >= 0x0601
    struct __timeb64 currSysTime;
#else
    struct _timeb currSysTime;
#endif
    const DWORD NANOSEC_PER_MILLISEC = 1000000;

    assert(pthread_cond_init(&cv, NULL) == 0);

    assert(pthread_mutex_init(&mutex, NULL) == 0);

    /* get current system time */
    PTW32_FTIME(&currSysTime);

    abstime.tv_sec = abstime2.tv_sec = (long)currSysTime.time + 5;
    abstime.tv_nsec = abstime2.tv_nsec = NANOSEC_PER_MILLISEC * currSysTime.millitm;

    assert(pthread_mutex_lock(&mutex) == 0);

    for (i = 1; i <= NUMTHREADS; i++)
    {
        assert(pthread_create(&t[i], NULL, mythread, (void *)(size_t)i) == 0);
    }

    assert(pthread_mutex_unlock(&mutex) == 0);

    for (i = 1; i <= NUMTHREADS; i++)
    {
        assert(pthread_join(t[i], &result) == 0);
        assert((int)(size_t)result == i);
        /*
         * Approximately 2/3rds of the threads are expected to time out.
         * Signal the remainder after some threads have woken up and exited
         * and while some are still waking up after timeout.
         * Also tests that redundant broadcasts don't return errors.
         */

//      assert(pthread_mutex_lock(&mutex) == 0);

        if (InterlockedExchangeAdd((LPLONG)&awoken, 0L) > NUMTHREADS/3)
        {
            assert(pthread_cond_broadcast(&cv) == 0);
        }

//      assert(pthread_mutex_unlock(&mutex) == 0);

    }

    assert(awoken == NUMTHREADS - timedout);

    {
        int result = pthread_cond_destroy(&cv);
        if (result != 0)
        {
            fprintf(stderr, "Result = %s\n", error_string[result]);
            fprintf(stderr, "\tWaitersBlocked = %ld\n", cv->nWaitersBlocked);
            fprintf(stderr, "\tWaitersGone = %ld\n", cv->nWaitersGone);
            fprintf(stderr, "\tWaitersToUnblock = %ld\n", cv->nWaitersToUnblock);
            fflush(stderr);
        }
        assert(result == 0);
    }

    assert(pthread_mutex_destroy(&mutex) == 0);

    return 0;
}