TestThreadExitThread.c

// Copyright © 2015 Hewlett-Packard Development Company, L.P.
 
#include <winpr/file.h>
#include <winpr/synch.h>
#include <winpr/thread.h>
 
static DWORD WINAPI thread_func(LPVOID arg)
{
  WINPR_UNUSED(arg);
 
  /* exists of the thread the quickest as possible */
  ExitThread(0);
  return 0;
}
 
int TestThreadExitThread(int argc, char* argv[])
{
  HANDLE thread = NULL;
  DWORD waitResult = 0;
 
  WINPR_UNUSED(argc);
  WINPR_UNUSED(argv);
 
  /* FIXME: create some noise to better guaranty the test validity and
   * decrease the number of loops */
  for (int i = 0; i < 100; i++)
  {
    thread = CreateThread(NULL, 0, thread_func, NULL, 0, NULL);
 
    if (thread == INVALID_HANDLE_VALUE)
    {
      (void)fprintf(stderr, "Got an invalid thread!\n");
      return -1;
    }
 
    waitResult = WaitForSingleObject(thread, 300);
    if (waitResult != WAIT_OBJECT_0)
    {
      /* When the thread exits before the internal thread_list
       * was updated, ExitThread() is not able to retrieve the
       * related WINPR_THREAD object and is not able to signal
       * the end of the thread. Therefore WaitForSingleObject
       * never get the signal.
       */
      (void)fprintf(
          stderr, "300ms should have been enough for the thread to be in a signaled state\n");
      return -1;
    }
 
    (void)CloseHandle(thread);
  }
  return 0;
}