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Diffstat (limited to 'cppu/source/threadpool/current.cxx')
| -rw-r--r-- | cppu/source/threadpool/current.cxx | 300 |
1 files changed, 300 insertions, 0 deletions
diff --git a/cppu/source/threadpool/current.cxx b/cppu/source/threadpool/current.cxx new file mode 100644 index 000000000000..2ffabcbff014 --- /dev/null +++ b/cppu/source/threadpool/current.cxx @@ -0,0 +1,300 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_cppu.hxx" + +#include "rtl/uuid.h" +#include "osl/thread.h" +#include "osl/mutex.hxx" + +#include "uno/environment.hxx" +#include "uno/mapping.hxx" +#include "uno/lbnames.h" +#include "typelib/typedescription.h" + +#include "current.hxx" + + +using namespace ::osl; +using namespace ::rtl; +using namespace ::cppu; +using namespace ::com::sun::star::uno; + +namespace cppu +{ + +//-------------------------------------------------------------------------------------------------- +class SAL_NO_VTABLE XInterface +{ +public: + virtual void SAL_CALL slot_queryInterface() = 0; + virtual void SAL_CALL acquire() throw () = 0; + virtual void SAL_CALL release() throw () = 0; +}; +//-------------------------------------------------------------------------------------------------- +static typelib_InterfaceTypeDescription * get_type_XCurrentContext() +{ + static typelib_InterfaceTypeDescription * s_type_XCurrentContext = 0; + if (0 == s_type_XCurrentContext) + { + ::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex() ); + if (0 == s_type_XCurrentContext) + { + OUString sTypeName( RTL_CONSTASCII_USTRINGPARAM("com.sun.star.uno.XCurrentContext") ); + typelib_InterfaceTypeDescription * pTD = 0; + typelib_TypeDescriptionReference * pMembers[1] = { 0 }; + OUString sMethodName0( + RTL_CONSTASCII_USTRINGPARAM("com.sun.star.uno.XCurrentContext::getValueByName") ); + typelib_typedescriptionreference_new( + &pMembers[0], + typelib_TypeClass_INTERFACE_METHOD, + sMethodName0.pData ); + typelib_typedescription_newInterface( + &pTD, + sTypeName.pData, 0x00000000, 0x0000, 0x0000, 0x00000000, 0x00000000, + * typelib_static_type_getByTypeClass( typelib_TypeClass_INTERFACE ), + 1, + pMembers ); + + typelib_typedescription_register( (typelib_TypeDescription**)&pTD ); + typelib_typedescriptionreference_release( pMembers[0] ); + + typelib_InterfaceMethodTypeDescription * pMethod = 0; + typelib_Parameter_Init aParameters[1]; + OUString sParamName0( RTL_CONSTASCII_USTRINGPARAM("Name") ); + OUString sParamType0( RTL_CONSTASCII_USTRINGPARAM("string") ); + aParameters[0].pParamName = sParamName0.pData; + aParameters[0].eTypeClass = typelib_TypeClass_STRING; + aParameters[0].pTypeName = sParamType0.pData; + aParameters[0].bIn = sal_True; + aParameters[0].bOut = sal_False; + rtl_uString * pExceptions[1]; + OUString sExceptionName0( + RTL_CONSTASCII_USTRINGPARAM("com.sun.star.uno.RuntimeException") ); + pExceptions[0] = sExceptionName0.pData; + OUString sReturnType0( RTL_CONSTASCII_USTRINGPARAM("any") ); + typelib_typedescription_newInterfaceMethod( + &pMethod, + 3, sal_False, + sMethodName0.pData, + typelib_TypeClass_ANY, sReturnType0.pData, + 1, aParameters, 1, pExceptions ); + typelib_typedescription_register( (typelib_TypeDescription**)&pMethod ); + typelib_typedescription_release( (typelib_TypeDescription*)pMethod ); + // another static ref: + ++reinterpret_cast< typelib_TypeDescription * >( pTD )-> + nStaticRefCount; + s_type_XCurrentContext = pTD; + } + } + return s_type_XCurrentContext; +} + +//################################################################################################## + +//================================================================================================== +class ThreadKey +{ + sal_Bool _bInit; + oslThreadKey _hThreadKey; + oslThreadKeyCallbackFunction _pCallback; + +public: + inline oslThreadKey getThreadKey() SAL_THROW( () ); + + inline ThreadKey( oslThreadKeyCallbackFunction pCallback ) SAL_THROW( () ); + inline ~ThreadKey() SAL_THROW( () ); +}; +//__________________________________________________________________________________________________ +inline ThreadKey::ThreadKey( oslThreadKeyCallbackFunction pCallback ) SAL_THROW( () ) + : _bInit( sal_False ) + , _pCallback( pCallback ) +{ +} +//__________________________________________________________________________________________________ +inline ThreadKey::~ThreadKey() SAL_THROW( () ) +{ + if (_bInit) + { + ::osl_destroyThreadKey( _hThreadKey ); + } +} +//__________________________________________________________________________________________________ +inline oslThreadKey ThreadKey::getThreadKey() SAL_THROW( () ) +{ + if (! _bInit) + { + MutexGuard aGuard( Mutex::getGlobalMutex() ); + if (! _bInit) + { + _hThreadKey = ::osl_createThreadKey( _pCallback ); + _bInit = sal_True; + } + } + return _hThreadKey; +} + +//================================================================================================== +extern "C" void SAL_CALL delete_IdContainer( void * p ) +{ + if (p) + { + IdContainer * pId = reinterpret_cast< IdContainer * >( p ); + if (pId->pCurrentContext) + { + (*pId->pCurrentContextEnv->releaseInterface)( + pId->pCurrentContextEnv, pId->pCurrentContext ); + (*((uno_Environment *)pId->pCurrentContextEnv)->release)( + (uno_Environment *)pId->pCurrentContextEnv ); + } + if (pId->bInit) + { + ::rtl_byte_sequence_release( pId->pLocalThreadId ); + ::rtl_byte_sequence_release( pId->pCurrentId ); + } + delete pId; + } +} +//================================================================================================== +IdContainer * getIdContainer() SAL_THROW( () ) +{ + static ThreadKey s_key( delete_IdContainer ); + oslThreadKey aKey = s_key.getThreadKey(); + + IdContainer * pId = reinterpret_cast< IdContainer * >( ::osl_getThreadKeyData( aKey ) ); + if (! pId) + { + pId = new IdContainer(); + pId->pCurrentContext = 0; + pId->pCurrentContextEnv = 0; + pId->bInit = sal_False; + ::osl_setThreadKeyData( aKey, pId ); + } + return pId; +} + +} + +//################################################################################################## +extern "C" sal_Bool SAL_CALL uno_setCurrentContext( + void * pCurrentContext, + rtl_uString * pEnvTypeName, void * pEnvContext ) + SAL_THROW_EXTERN_C() +{ + IdContainer * pId = getIdContainer(); + OSL_ASSERT( pId ); + + // free old one + if (pId->pCurrentContext) + { + (*pId->pCurrentContextEnv->releaseInterface)( + pId->pCurrentContextEnv, pId->pCurrentContext ); + (*((uno_Environment *)pId->pCurrentContextEnv)->release)( + (uno_Environment *)pId->pCurrentContextEnv ); + pId->pCurrentContextEnv = 0; + + pId->pCurrentContext = 0; + } + + if (pCurrentContext) + { + uno_Environment * pEnv = 0; + ::uno_getEnvironment( &pEnv, pEnvTypeName, pEnvContext ); + OSL_ASSERT( pEnv && pEnv->pExtEnv ); + if (pEnv) + { + if (pEnv->pExtEnv) + { + pId->pCurrentContextEnv = pEnv->pExtEnv; + (*pId->pCurrentContextEnv->acquireInterface)( + pId->pCurrentContextEnv, pCurrentContext ); + pId->pCurrentContext = pCurrentContext; + } + else + { + (*pEnv->release)( pEnv ); + return sal_False; + } + } + else + { + return sal_False; + } + } + return sal_True; +} +//################################################################################################## +extern "C" sal_Bool SAL_CALL uno_getCurrentContext( + void ** ppCurrentContext, rtl_uString * pEnvTypeName, void * pEnvContext ) + SAL_THROW_EXTERN_C() +{ + IdContainer * pId = getIdContainer(); + OSL_ASSERT( pId ); + + Environment target_env; + + // release inout parameter + if (*ppCurrentContext) + { + target_env = Environment(rtl::OUString(pEnvTypeName), pEnvContext); + OSL_ASSERT( target_env.is() ); + if (! target_env.is()) + return sal_False; + uno_ExtEnvironment * pEnv = target_env.get()->pExtEnv; + OSL_ASSERT( 0 != pEnv ); + if (0 == pEnv) + return sal_False; + (*pEnv->releaseInterface)( pEnv, *ppCurrentContext ); + + *ppCurrentContext = 0; + } + + // case: null-ref + if (0 == pId->pCurrentContext) + return sal_True; + + if (! target_env.is()) + { + target_env = Environment(rtl::OUString(pEnvTypeName), pEnvContext); + OSL_ASSERT( target_env.is() ); + if (! target_env.is()) + return sal_False; + } + + Mapping mapping((uno_Environment *) pId->pCurrentContextEnv, target_env.get()); + OSL_ASSERT( mapping.is() ); + if (! mapping.is()) + return sal_False; + + mapping.mapInterface(ppCurrentContext, pId->pCurrentContext, ::cppu::get_type_XCurrentContext() ); + + return sal_True; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |