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