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by brian
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/* Copyright (C) 2000-2004 MySQL AB
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation.
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There are special exceptions to the terms and conditions of the GPL as it
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is applied to this software. View the full text of the exception in file
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EXCEPTIONS-CLIENT in the directory of this software distribution.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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/*
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** Handling initialization of the dll library
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*/
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#include <my_global.h> |
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#include <my_sys.h> |
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#include <my_pthread.h> |
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static my_bool libmysql_inited=0; |
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void libmysql_init(void) |
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{
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if (libmysql_inited) |
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return; |
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libmysql_inited=1; |
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my_init(); |
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{
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DBUG_ENTER("libmysql_init"); |
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#ifdef LOG_ALL
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DBUG_PUSH("d:t:S:O,c::\\tmp\\libmysql.log"); |
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#else
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if (getenv("LIBMYSQL_LOG") != NULL) |
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DBUG_PUSH(getenv("LIBMYSQL_LOG")); |
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#endif
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DBUG_VOID_RETURN; |
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}
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}
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#ifdef __WIN__
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static int inited=0,threads=0; |
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HINSTANCE NEAR s_hModule; /* Saved module handle */ |
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DWORD main_thread; |
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BOOL APIENTRY LibMain(HANDLE hInst,DWORD ul_reason_being_called, |
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LPVOID lpReserved) |
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{
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switch (ul_reason_being_called) { |
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case DLL_PROCESS_ATTACH: /* case of libentry call in win 3.x */ |
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if (!inited++) |
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{
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s_hModule=hInst; |
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libmysql_init(); |
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main_thread=GetCurrentThreadId(); |
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}
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break; |
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case DLL_THREAD_ATTACH: |
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threads++; |
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my_thread_init(); |
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break; |
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case DLL_PROCESS_DETACH: /* case of wep call in win 3.x */ |
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if (!--inited) /* Safety */ |
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{
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/* my_thread_init() */ /* This may give extra safety */ |
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my_end(0); |
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}
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break; |
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case DLL_THREAD_DETACH: |
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/* Main thread will free by my_end() */
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threads--; |
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if (main_thread != GetCurrentThreadId()) |
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my_thread_end(); |
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break; |
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default: |
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break; |
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} /* switch */ |
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return TRUE; |
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UNREFERENCED_PARAMETER(lpReserved); |
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} /* LibMain */ |
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int __stdcall DllMain(HANDLE hInst,DWORD ul_reason_being_called,LPVOID lpReserved) |
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{
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return LibMain(hInst,ul_reason_being_called,lpReserved); |
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}
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#elif defined(WINDOWS)
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/****************************************************************************
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** This routine is called by LIBSTART.ASM at module load time. All it
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** does in this sample is remember the DLL module handle. The module
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** handle is needed if you want to do things like load stuff from the
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** resource file (for instance string resources).
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****************************************************************************/
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int _export FAR PASCAL libmain(HANDLE hModule,short cbHeapSize, |
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UCHAR FAR *lszCmdLine) |
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{
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s_hModule = hModule; |
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libmysql_init(); |
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return TRUE; |
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}
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#endif
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