rosapps/applications/sysutils/utils/ps/ps.c.toolhelp

   1 /*
   2  *  ReactOS ps - process list console viewer
   3  *
   4  *  ps.c
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19  */
  20
  21 #include <windows.h>
  22 #include <tlhelp32.h>
  23
  24 static char* title = "     PID   PARENT  TIME NAME\n";
  25 char buf[256];
  26
  27 int main()
  28 {
  29     DWORD r;
  30     HANDLE pl;
  31     PROCESSENTRY32 pe;
  32     HANDLE stdout = GetStdHandle(STD_OUTPUT_HANDLE);
  33
  34     WriteFile(stdout, title, lstrlen(title), &r, NULL);
  35     pl = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
  36     pe.dwSize = sizeof(PROCESSENTRY32);
  37     pe.th32ParentProcessID = 0;
  38
  39     if (Process32First(pl, &pe)) do {
  40         int hour;
  41         int minute;
  42         WORD fatdate;
  43         WORD fattime;
  44         HANDLE p = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, pe.th32ProcessID);
  45         FILETIME cr;
  46         FILETIME ex;
  47         FILETIME kt;
  48         FILETIME ut;
  49         GetProcessTimes(p, &cr, &ex, &kt, &ut);
  50         FileTimeToDosDateTime(&cr, &fatdate, &fattime);
  51         hour = (fattime & 0xf800) >> 11;
  52         minute = (fattime & 0x07e0) >> 5;
  53         wsprintf(buf,"%08X %08X %2d:%02d %s\n", pe.th32ProcessID, pe.th32ParentProcessID, hour, minute, pe.szExeFile);
  54         WriteFile(stdout, buf, lstrlen(buf), &r, NULL);
  55         CloseHandle(p);
  56         pe.th32ParentProcessID = 0;
  57   } while (Process32Next(pl, &pe));
  58
  59   CloseHandle(pl);
  60 }
  61 /*
  62 BOOL
  63 STDCALL
  64 FileTimeToDosDateTime(
  65                       CONST FILETIME *lpFileTime,
  66                       LPWORD lpFatDate,
  67                       LPWORD lpFatTime
  68                       );
  69  */