214 lines
3.4 KiB
C
214 lines
3.4 KiB
C
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//---------------------------------------------------------------------------
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//
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// Copyright (c) Microsoft Corporation 1993-1995
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//
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// File: dll.c
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//
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// This file contains the library entry points
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//
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// History:
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// 12-23-93 ScottH Created
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// 9-22-95 ScottH Ported to NT
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//
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//---------------------------------------------------------------------------
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#include "proj.h"
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#include <rovdbg.h> // debug assertion code
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// Global data
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//
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BOOL g_bAdminUser;
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#ifdef WIN32
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CRITICAL_SECTION g_csDll = { 0 };
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#endif // WIN32
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/*----------------------------------------------------------
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Purpose: Initialize the DLL
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Returns:
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Cond: --
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*/
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BOOL PRIVATE Dll_Initialize(void)
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{
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BOOL bRet = TRUE;
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InitCommonControls();
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return bRet;
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}
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/*----------------------------------------------------------
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Purpose: Attach a process to this DLL
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Returns: --
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Cond: --
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*/
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BOOL PRIVATE Dll_ProcessAttach(HINSTANCE hDll)
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{
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BOOL bSuccess = TRUE;
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__try {
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InitializeCriticalSection(&g_csDll);
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} __except (EXCEPTION_EXECUTE_HANDLER ) {
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return FALSE;
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}
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g_bAdminUser = IsAdminUser();
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if (bSuccess)
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{
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g_hinst = hDll;
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DEBUG_MEMORY_PROCESS_ATTACH("serialui");
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#ifdef DEBUG
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// We do this simply to load the debug .ini flags
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//
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RovComm_ProcessIniFile();
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TRACE_MSG(TF_GENERAL, "Process Attach (hDll = %lx)", hDll);
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DEBUG_BREAK(BF_ONPROCESSATT);
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#endif
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bSuccess = Dll_Initialize();
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}
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return bSuccess;
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}
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/*----------------------------------------------------------
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Purpose: Detach a process from the DLL
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Returns: --
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Cond: --
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*/
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BOOL PRIVATE Dll_ProcessDetach(HINSTANCE hDll)
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{
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BOOL bSuccess = TRUE;
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ASSERT(hDll == g_hinst);
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DEBUG_CODE( TRACE_MSG(TF_GENERAL, "Process Detach (hDll = %lx)",
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hDll); )
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DEBUG_CODE( DEBUG_BREAK(BF_ONPROCESSDET); )
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DEBUG_MEMORY_PROCESS_DETACH();
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DeleteCriticalSection(&g_csDll);
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return bSuccess;
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}
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HINSTANCE g_hinst = 0;
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// **************************************************************************
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// WIN32 specific code
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// **************************************************************************
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#ifdef WIN32
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#ifdef DEBUG
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BOOL g_bExclusive=FALSE;
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#endif
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/*----------------------------------------------------------
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Purpose: Enter an exclusive section
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Returns: --
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Cond: --
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*/
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void PUBLIC Dll_EnterExclusive(void)
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{
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EnterCriticalSection(&g_csDll);
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#ifdef DEBUG
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g_bExclusive = TRUE;
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#endif
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}
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/*----------------------------------------------------------
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Purpose: Leave an exclusive section
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Returns: --
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Cond: --
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*/
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void PUBLIC Dll_LeaveExclusive(void)
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{
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#ifdef DEBUG
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g_bExclusive = FALSE;
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#endif
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LeaveCriticalSection(&g_csDll);
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}
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/*----------------------------------------------------------
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Purpose: Win32 Libmain
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Returns: --
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Cond: --
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*/
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BOOL APIENTRY LibMain(
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HANDLE hDll,
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DWORD dwReason,
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LPVOID lpReserved)
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{
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switch(dwReason)
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{
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case DLL_PROCESS_ATTACH:
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Dll_ProcessAttach(hDll);
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break;
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case DLL_PROCESS_DETACH:
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Dll_ProcessDetach(hDll);
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break;
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case DLL_THREAD_ATTACH:
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#ifdef DEBUG
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DEBUG_BREAK(BF_ONTHREADATT);
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#endif
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break;
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case DLL_THREAD_DETACH:
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#ifdef DEBUG
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DEBUG_BREAK(BF_ONTHREADDET);
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#endif
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break;
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default:
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break;
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}
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return TRUE;
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}
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#else // WIN32
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#endif // WIN32
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