kProfiler2/dllmain-win.cpp

   1 /* $Id$ */
   2 /** @file
   3  * kProfiler Mark 2 - The Windows DllMain for the profiler DLL.
   4  */
   5
   6 /*
   7  * Copyright (c) 2006-2007 Knut St. Osmundsen <bird-kStuff-spamix@anduin.net>
   8  *
   9  * Permission is hereby granted, free of charge, to any person
  10  * obtaining a copy of this software and associated documentation
  11  * files (the "Software"), to deal in the Software without
  12  * restriction, including without limitation the rights to use,
  13  * copy, modify, merge, publish, distribute, sublicense, and/or sell
  14  * copies of the Software, and to permit persons to whom the
  15  * Software is furnished to do so, subject to the following
  16  * conditions:
  17  *
  18  * The above copyright notice and this permission notice shall be
  19  * included in all copies or substantial portions of the Software.
  20  *
  21  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  22  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  23  * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  24  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  25  * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  26  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  27  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  28  * OTHER DEALINGS IN THE SOFTWARE.
  29  */
  30
  31 /*******************************************************************************
  32 *   Header Files                                                               *
  33 *******************************************************************************/
  34 #include <Windows.h>
  35 #include "kProfileR3.h"
  36
  37
  38 /**
  39  * The DLL Main for the kPrf DLL.
  40  *
  41  * This is required because we need to initialize the profiler at some point
  42  * and because we need to know when threads terminate. (We don't care about
  43  * when threads get created, we simply pick them up when we see them the
  44  * first time.)
  45  *
  46  * @returns Success indicator.
  47  * @param   hInstDll        The instance handle of the DLL. (i.e. the module handle)
  48  * @param   fdwReason       The reason why we're here. This is a 'flag' for reasons of
  49  *                          tradition, it's really a kind of enum.
  50  * @param   pReserved       Reserved / undocumented something.
  51  */
  52 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, PVOID pReserved)
  53 {
  54     switch (fdwReason)
  55     {
  56         case DLL_PROCESS_ATTACH:
  57             if (kPrfInitialize())
  58                 return FALSE;
  59             break;
  60
  61         case DLL_PROCESS_DETACH:
  62             kPrfTerminate();
  63             break;
  64
  65         case DLL_THREAD_ATTACH:
  66             break;
  67
  68         case DLL_THREAD_DETACH:
  69             kPrfTerminateThread();
  70             break;
  71     }
  72
  73     return TRUE;
  74 }
  75