reactos/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 int _cwait(int* pnStatus, int hProc, int nAction)
  16 {
  17   DWORD ExitCode;
  18
  19   nAction = 0;
  20   if (WaitForSingleObject((void *)hProc,INFINITE) != WAIT_OBJECT_0)
  21     {
  22       __set_errno(ECHILD);
  23       return -1;
  24     }
  25
  26   if (!GetExitCodeProcess((void *)hProc,&ExitCode))
  27     return -1;
  28   if (pnStatus != NULL)
  29     *pnStatus = (int)ExitCode;
  30   CloseHandle((HANDLE)hProc);
  31   return hProc;
  32 }