reactos/lib/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:   Boudewijn Dekker
   7  * UPDATE HISTORY:
   8  *              04/03/99: Created
   9  */
  10
  11 #include "precomp.h"
  12 #include <msvcrt/process.h>
  13 #include <msvcrt/errno.h>
  14 #include <msvcrt/internal/file.h>
  15
  16
  17 /*
  18  * @implemented
  19  */
  20 int _cwait(int* pnStatus, int hProc, int nAction)
  21 {
  22     DWORD ExitCode;
  23
  24         nAction = 0;
  25         if (WaitForSingleObject((void*)hProc, INFINITE) != WAIT_OBJECT_0) {
  26                 __set_errno(ECHILD);
  27                 return -1;
  28         }
  29
  30         if (!GetExitCodeProcess((void*)hProc, &ExitCode))
  31                 return -1;
  32         if (pnStatus != NULL)
  33         *pnStatus = (int)ExitCode;
  34     CloseHandle((HANDLE)hProc);
  35     return hProc;
  36 }