reactos/subsys/csrss/csrss.c

   1 /* $Id$
   2  *
   3  * csrss.c - Client/Server Runtime subsystem
   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  *      19990417 (Emanuele Aliberti)
  27  *              Do nothing native application skeleton
  28  *      19990528 (Emanuele Aliberti)
  29  *              Compiled successfully with egcs 1.1.2
  30  *      19990605 (Emanuele Aliberti)
  31  *              First standalone run under ReactOS (it
  32  *              actually does nothing but running).
  33  */
  34 #include <ddk/ntddk.h>
  35 #include <ntdll/rtl.h>
  36 #include <csrss/csrss.h>
  37 #include <rosrtl/string.h>
  38
  39 #include "api.h"
  40
  41 /* Native process' entry point */
  42
  43 VOID STDCALL NtProcessStartup(PPEB Peb)
  44 {
  45    PRTL_USER_PROCESS_PARAMETERS ProcParams;
  46    PWSTR ArgBuffer;
  47    PWSTR *argv;
  48    ULONG argc = 0;
  49    int i = 0;
  50    int afterlastspace = 0;
  51    OBJECT_ATTRIBUTES ObjectAttributes;
  52    HANDLE CsrssInitEvent;
  53    UNICODE_STRING UnicodeString;
  54    NTSTATUS Status;
  55
  56    ProcParams = RtlNormalizeProcessParams (Peb->ProcessParameters);
  57
  58    argv = (PWSTR *)RtlAllocateHeap (Peb->ProcessHeap,
  59                                     0, 512 * sizeof(PWSTR));
  60    ArgBuffer = (PWSTR)RtlAllocateHeap (Peb->ProcessHeap,
  61                                        0,
  62                                        ProcParams->CommandLine.Length + sizeof(WCHAR));
  63    memcpy (ArgBuffer,
  64            ProcParams->CommandLine.Buffer,
  65            ProcParams->CommandLine.Length + sizeof(WCHAR));
  66
  67    while (ArgBuffer[i])
  68      {
  69         if (ArgBuffer[i] == L' ')
  70           {
  71              argc++;
  72              ArgBuffer[i] = L'\0';
  73              argv[argc-1] = &(ArgBuffer[afterlastspace]);
  74              i++;
  75              while (ArgBuffer[i] == L' ')
  76                 i++;
  77              afterlastspace = i;
  78           }
  79         else
  80           {
  81              i++;
  82           }
  83      }
  84
  85    if (ArgBuffer[afterlastspace] != L'\0')
  86      {
  87         argc++;
  88         ArgBuffer[i] = L'\0';
  89         argv[argc-1] = &(ArgBuffer[afterlastspace]);
  90      }
  91
  92    RtlRosInitUnicodeStringFromLiteral(&UnicodeString,
  93                         L"\\CsrssInitDone");
  94    InitializeObjectAttributes(&ObjectAttributes,
  95                               &UnicodeString,
  96                               EVENT_ALL_ACCESS,
  97                               0,
  98                               NULL);
  99    Status = NtOpenEvent(&CsrssInitEvent,
 100                         EVENT_ALL_ACCESS,
 101                         &ObjectAttributes);
 102    if (!NT_SUCCESS(Status))
 103      {
 104         DbgPrint("CSR: Failed to open csrss notification event\n");
 105      }
 106    if (CsrServerInitialization (argc, argv) == TRUE)
 107      {
 108
 109         NtSetEvent(CsrssInitEvent,
 110                    NULL);
 111
 112         RtlFreeHeap (Peb->ProcessHeap,
 113                      0, argv);
 114         RtlFreeHeap (Peb->ProcessHeap,
 115                      0,
 116                      ArgBuffer);
 117
 118         /* terminate the current thread only */
 119         NtTerminateThread( NtCurrentThread(), 0 );
 120      }
 121    else
 122      {
 123         DisplayString( L"CSR: Subsystem initialization failed.\n" );
 124
 125         RtlFreeHeap (Peb->ProcessHeap,
 126                      0, argv);
 127         RtlFreeHeap (Peb->ProcessHeap,
 128                      0,
 129                      ArgBuffer);
 130
 131         /*
 132          * Tell SM we failed.
 133          */
 134         NtTerminateProcess( NtCurrentProcess(), 0 );
 135      }
 136 }
 137
 138 /* EOF */