reactos/subsys/system/services/services.c

   1 /* $Id: services.c,v 1.1 2000/12/05 02:38:08 ekohl Exp $
   2  *
   3  * service control manager
   4  *
   5  * ReactOS Operating System
   6  *
   7  * --------------------------------------------------------------------
   8  *
   9  * This software is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU General Public License as
  11  * published by the Free Software Foundation; either version 2 of the
  12  * License, or (at your option) any later version.
  13  *
  14  * This software is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Library General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this software; see the file COPYING.LIB. If not, write
  21  * to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge,
  22  * MA 02139, USA.
  23  *
  24  */
  25
  26 /* NOTE:
  27  * - Services.exe is NOT a native application, it is a GUI app.
  28  */
  29
  30 /* INCLUDES *****************************************************************/
  31
  32 #define NTOS_MODE_USER
  33 #include <ntos.h>
  34 #include <windows.h>
  35
  36 #include <services/services.h>
  37
  38 /* GLOBALS ******************************************************************/
  39
  40 HANDLE OutputHandle;
  41
  42
  43 /* FUNCTIONS *****************************************************************/
  44
  45 void PrintString (char* fmt,...)
  46 {
  47    char buffer[512];
  48    va_list ap;
  49
  50    va_start(ap, fmt);
  51    vsprintf(buffer, fmt, ap);
  52    va_end(ap);
  53
  54    WriteConsoleA(OutputHandle, buffer, strlen(buffer), NULL, NULL);
  55 }
  56
  57
  58 BOOL ScmCreateStartEvent(PHANDLE StartEvent)
  59 {
  60    HANDLE hEvent;
  61
  62    hEvent = CreateEvent(NULL,
  63                         TRUE,
  64                         FALSE,
  65                         _T("SvcctrlStartEvent_A3725DX"));
  66    if (hEvent == NULL)
  67      {
  68         if (GetLastError() == ERROR_ALREADY_EXISTS)
  69           {
  70              hEvent = OpenEvent(EVENT_ALL_ACCESS,
  71                                 FALSE,
  72                                 _T("SvcctrlStartEvent_A3725DX"));
  73              if (hEvent == NULL)
  74                {
  75                   return FALSE;
  76                }
  77           }
  78         else
  79           {
  80              return FALSE;
  81           }
  82      }
  83
  84    *StartEvent = hEvent;
  85
  86    return TRUE;
  87 }
  88
  89
  90 //int main (int argc, char *argv[])
  91 int STDCALL
  92 WinMain(HINSTANCE hInstance,
  93         HINSTANCE hPrevInstance,
  94         LPSTR lpCmdLine,
  95         int nShowCmd)
  96 {
  97    HANDLE hScmStartEvent;
  98
  99    AllocConsole();
 100    OutputHandle = GetStdHandle(STD_OUTPUT_HANDLE);
 101
 102    PrintString("Service Control Manager\n");
 103
 104    /* Create start event */
 105    if (!ScmCreateStartEvent(&hScmStartEvent))
 106      {
 107         PrintString("SERVICES: Failed to create start event\n");
 108         ExitThread(0);
 109      }
 110
 111
 112
 113
 114    /* FIXME: more initialization */
 115
 116
 117
 118
 119    PrintString("SERVICES: Initialized.\n");
 120
 121    /* Signal start event */
 122    SetEvent(hScmStartEvent);
 123
 124
 125    /* FIXME: more to do ? */
 126
 127
 128    PrintString("SERVICES: Running.\n");
 129
 130    ExitThread (0);
 131    return 0;
 132 }
 133
 134 /* EOF */