winpr/libwinpr/thread/test/TestThreadExitThread.c

   1 // Copyright © 2015 Hewlett-Packard Development Company, L.P.
   2
   3 #include <winpr/file.h>
   4 #include <winpr/synch.h>
   5 #include <winpr/thread.h>
   6
   7 static void* thread_func(void* arg)
   8 {
   9         /* exists of the thread the quickest as possible */
  10         ExitThread(0);
  11         return NULL;
  12 }
  13
  14 int TestThreadExitThread(int argc, char* argv[])
  15 {
  16         HANDLE thread;
  17         DWORD waitResult;
  18         int i;
  19
  20         /* FIXME: create some noise to better guaranty the test validity and
  21          * decrease the number of loops */
  22         for (i=0; i<50000; i++)
  23         {
  24                 thread = CreateThread(NULL,
  25                                 0,
  26                                 (LPTHREAD_START_ROUTINE)thread_func,
  27                                 NULL,
  28                                 0,
  29                                 NULL);
  30
  31                 if (thread == INVALID_HANDLE_VALUE)
  32                 {
  33                         fprintf(stderr, "Got an invalid thread!\n");
  34                         return -1;
  35                 }
  36
  37                 waitResult = WaitForSingleObject(thread, 1000);
  38                 if (waitResult != WAIT_OBJECT_0)
  39                 {
  40                         /* When the thread exits before the internal thread_list
  41                          * was updated, ExitThread() is not able to retrieve the
  42                          * related WINPR_THREAD object and is not able to signal
  43                          * the end of the thread. Therefore WaitForSingleObject
  44                          * never get the signal.
  45                          */
  46                         fprintf(stderr, "1 second should have been enough for the thread to be in a signaled state\n");
  47                         return -1;
  48                 }
  49
  50                 CloseHandle(thread);
  51         }
  52         return 0;
  53 }