TestSynchWaitableTimer.c

 
#include <winpr/crt.h>
#include <winpr/synch.h>
 
int TestSynchWaitableTimer(int argc, char* argv[])
{
  DWORD status = 0;
  HANDLE timer = NULL;
  LONG period = 0;
  LARGE_INTEGER due = { 0 };
  int result = -1;
  WINPR_UNUSED(argc);
  WINPR_UNUSED(argv);
  timer = CreateWaitableTimer(NULL, FALSE, NULL);
 
  if (!timer)
  {
    printf("CreateWaitableTimer failure\n");
    goto out;
  }
 
  due.QuadPart = -1500000LL; /* 0.15 seconds */
 
  if (!SetWaitableTimer(timer, &due, 0, NULL, NULL, 0))
  {
    printf("SetWaitableTimer failure\n");
    goto out;
  }
 
  status = WaitForSingleObject(timer, INFINITE);
 
  if (status != WAIT_OBJECT_0)
  {
    printf("WaitForSingleObject(timer, INFINITE) failure\n");
    goto out;
  }
 
  printf("Timer Signaled\n");
  status = WaitForSingleObject(timer, 200);
 
  if (status != WAIT_TIMEOUT)
  {
    printf("WaitForSingleObject(timer, 200) failure: Actual: 0x%08" PRIX32
           ", Expected: 0x%08X\n",
           status, WAIT_TIMEOUT);
    goto out;
  }
 
  due.QuadPart = 0;
  period = 120; /* 0.12 seconds */
 
  if (!SetWaitableTimer(timer, &due, period, NULL, NULL, 0))
  {
    printf("SetWaitableTimer failure\n");
    goto out;
  }
 
  if (WaitForSingleObject(timer, INFINITE) != WAIT_OBJECT_0)
  {
    printf("WaitForSingleObject(timer, INFINITE) failure\n");
    goto out;
  }
 
  printf("Timer Signaled\n");
 
  if (!SetWaitableTimer(timer, &due, period, NULL, NULL, 0))
  {
    printf("SetWaitableTimer failure\n");
    goto out;
  }
 
  if (WaitForMultipleObjects(1, &timer, FALSE, INFINITE) != WAIT_OBJECT_0)
  {
    printf("WaitForMultipleObjects(timer, INFINITE) failure\n");
    goto out;
  }
 
  printf("Timer Signaled\n");
  result = 0;
out:
  (void)CloseHandle(timer);
  return result;
}