reactos/lib/sdk/crt/process/_cwait.c

   1 /*
   2  * COPYRIGHT:   See COPYING in the top level directory
   3  * PROJECT:     ReactOS system libraries
   4  * FILE:        lib/msvcrt/process/cwait.c
   5  * PURPOSE:     Waits for a process to exit
   6  * PROGRAMER:   Ariadne
   7  * UPDATE HISTORY:
   8  *              04/03/99: Created
   9  */
  10
  11 #include <precomp.h>
  12
  13 /*
  14  * @implemented
  15  */
  16 int _cwait(int* pnStatus, int hProc, int nAction)
  17 {
  18     DWORD ExitCode;
  19
  20         nAction = 0;
  21         if (WaitForSingleObject((void*)ULongToPtr(hProc), INFINITE) != WAIT_OBJECT_0) {
  22                 __set_errno(ECHILD);
  23                 return -1;
  24         }
  25
  26         if (!GetExitCodeProcess((void*)ULongToPtr(hProc), &ExitCode))
  27                 return -1;
  28         if (pnStatus != NULL)
  29         *pnStatus = (int)ExitCode;
  30     CloseHandle((HANDLE)ULongToPtr(hProc));
  31     return hProc;
  32 }