| -rw-r--r-- | qmake/tools/qcomlibrary.cpp | 43 |
1 files changed, 20 insertions, 23 deletions
diff --git a/qmake/tools/qcomlibrary.cpp b/qmake/tools/qcomlibrary.cpp index a7162fc..2a1b75a 100644 --- a/qmake/tools/qcomlibrary.cpp +++ b/qmake/tools/qcomlibrary.cpp @@ -34,64 +34,68 @@ **********************************************************************/ #include "qcomlibrary_p.h" #ifndef QT_NO_COMPONENT #include <qapplication.h> #include <qsettings.h> #include <qfileinfo.h> #include <qdatetime.h> #include <qcleanuphandler.h> #include <errno.h> #ifdef QT_THREAD_SUPPORT # include "qmutexpool_p.h" #endif // QT_THREAD_SUPPORT #ifndef QT_DEBUG_COMPONENT # if defined(QT_DEBUG) # define QT_DEBUG_COMPONENT 1 # endif #endif QComLibrary::QComLibrary( const QString &filename ) : QLibrary( filename ), entry( 0 ), libiface( 0 ), qt_version( 0 ) { } QComLibrary::~QComLibrary() { if ( autoUnload() ) unload(); + if ( libiface ) + libiface->release(); + if ( entry ) + entry->release(); } bool QComLibrary::unload() { if ( libiface ) { libiface->cleanup(); if ( !libiface->canUnload() ) return FALSE; libiface->release(); libiface = 0; } int refs = entry ? entry->release() : 0; if ( refs ) return FALSE; entry = 0; return QLibrary::unload(); } static bool qt_verify( const QString& library, uint version, uint flags, const QCString &key, bool warn ) { uint our_flags = 1; #if defined(QT_THREAD_SUPPORT) our_flags |= 2; #endif if ( (flags & 1) == 0 ) { if ( warn ) qWarning( "Conflict in %s:\n" " Plugin cannot be queried successfully!", @@ -362,139 +366,132 @@ static bool qt_unix_query( const QString &library, uint *version, uint *flags, if ( mapaddr != MAP_FAILED && munmap(mapaddr, maplen) != 0 ) { qWarning( "munmap: %s", strerror( errno ) ); } #endif // USE_MMAP file.close(); return ret; } #endif // Q_OS_UNIX static QSettings *cache = 0; static QSingleCleanupHandler<QSettings> cleanup_cache; void QComLibrary::createInstanceInternal() { if ( library().isEmpty() ) return; QFileInfo fileinfo( library() ); QString lastModified = fileinfo.lastModified().toString(); QString regkey = QString("/Qt Plugins %1.%2/%3") .arg( ( QT_VERSION & 0xff0000 ) >> 16 ) .arg( ( QT_VERSION & 0xff00 ) >> 8 ) .arg( library() ); QStringList reg; uint flags = 0; QCString key; bool query_done = FALSE; bool warn_mismatch = TRUE; - if ( ! query_done ) { - #ifdef QT_THREAD_SUPPORT - QMutexLocker locker( qt_global_mutexpool->get( &cache ) ); + QMutexLocker locker( qt_global_mutexpool ? + qt_global_mutexpool->get( &cache ) : 0 ); #endif // QT_THREAD_SUPPORT - if ( ! cache ) { - cache = new QSettings; - cache->insertSearchPath( QSettings::Windows, "/Trolltech" ); - cleanup_cache.set( &cache ); - } + if ( ! cache ) { + cache = new QSettings; + cache->insertSearchPath( QSettings::Windows, "/Trolltech" ); + cleanup_cache.set( &cache ); + } - reg = cache->readListEntry( regkey ); - if ( reg.count() == 4 ) { - // check timestamp - if ( lastModified == reg[3] ) { - qt_version = reg[0].toUInt(0, 16); - flags = reg[1].toUInt(0, 16); - key = reg[2].latin1(); + reg = cache->readListEntry( regkey ); + if ( reg.count() == 4 ) { + // check timestamp + if ( lastModified == reg[3] ) { + qt_version = reg[0].toUInt(0, 16); + flags = reg[1].toUInt(0, 16); + key = reg[2].latin1(); - query_done = TRUE; - warn_mismatch = FALSE; - } + query_done = TRUE; + warn_mismatch = FALSE; } } #if defined(Q_OS_UNIX) if ( ! query_done ) { // get the query information directly from the plugin without loading if ( qt_unix_query( library(), &qt_version, &flags, &key ) ) { // info read succesfully from library query_done = TRUE; } } #else // !Q_OS_UNIX if ( ! query_done ) { // get the query information by loading the plugin if ( !isLoaded() ) { Q_ASSERT( entry == 0 ); if ( !load() ) return; } # ifdef Q_CC_BOR typedef const char * __stdcall (*UCMQueryVerificationDataProc)(); # else typedef const char * (*UCMQueryVerificationDataProc)(); # endif UCMQueryVerificationDataProc ucmQueryVerificationdataProc; ucmQueryVerificationdataProc = (UCMQueryVerificationDataProc) resolve( "qt_ucm_query_verification_data" ); if ( !ucmQueryVerificationdataProc || !qt_parse_pattern( ucmQueryVerificationdataProc(), &qt_version, &flags, &key ) ) { qt_version = flags = 0; key = "unknown"; } else { query_done = TRUE; } } #endif // Q_OS_UNIX QStringList queried; queried << QString::number( qt_version,16 ) << QString::number( flags, 16 ) << key << lastModified; if ( queried != reg ) { - -#ifdef QT_THREAD_SUPPORT - QMutexLocker locker( qt_global_mutexpool->get( &cache ) ); -#endif // QT_THREAD_SUPPORT - cache->writeEntry( regkey, queried ); // delete the cache, which forces the settings to be written delete cache; cache = 0; } if ( ! query_done ) { if ( warn_mismatch ) { qWarning( "Conflict in %s:\n Plugin cannot be queried successfully!", (const char*) QFile::encodeName( library() ) ); } unload(); return; } if ( ! qt_verify( library(), qt_version, flags, key, warn_mismatch ) ) { unload(); return; } else if ( !isLoaded() ) { Q_ASSERT( entry == 0 ); if ( !load() ) return; } #ifdef Q_CC_BOR typedef QUnknownInterface* __stdcall (*UCMInstanceProc)(); #else typedef QUnknownInterface* (*UCMInstanceProc)(); #endif UCMInstanceProc ucmInstanceProc; ucmInstanceProc = (UCMInstanceProc) resolve( "ucm_instantiate" ); #if defined(QT_DEBUG_COMPONENT) |