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authorzautrix <zautrix>2004-07-08 00:16:46 (UTC)
committer zautrix <zautrix>2004-07-08 00:16:46 (UTC)
commite8628e6e3e98f2276fb69bbc545866cc9a022228 (patch) (side-by-side diff)
tree798f61100c1ec3dab71a00ba63ac0d99fbd643b1 /microkde
parent5030b0bd32b1e526f28ce0339d4b4854492393ae (diff)
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Compile fixes for windows
Diffstat (limited to 'microkde') (more/less context) (ignore whitespace changes)
-rw-r--r--microkde/kdecore/klibloader.cpp7
1 files changed, 7 insertions, 0 deletions
diff --git a/microkde/kdecore/klibloader.cpp b/microkde/kdecore/klibloader.cpp
index 9eee912..1394154 100644
--- a/microkde/kdecore/klibloader.cpp
+++ b/microkde/kdecore/klibloader.cpp
@@ -1,654 +1,661 @@
/* This file is part of the KDE libraries
Copyright (C) 1999 Torben Weis <weis@kde.org>
Copyright (C) 2000 Michael Matz <matz@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License version 2 as published by the Free Software Foundation.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
//US #include <config.h>
#include <qclipboard.h>
#include <qfile.h>
#include <qtimer.h>
#include <qobjectdict.h>
#include <qwidgetlist.h>
#include <qwidget.h>
#include "kapplication.h"
#include "klibloader.h"
#include "kstandarddirs.h"
#include "kdebug.h"
#include "klocale.h"
/*US
#ifndef NDEBUG
#include "ltdl.h"
#endif
*/
//US do everything through qlibrary
#ifndef DESKTOP_VERSION
#include <qpe/qpeapplication.h>
#include <qtopia/qlibrary.h>
#else
#include <qlibrary.h>
#endif
template class QAsciiDict<KLibrary>;
#include <stdlib.h> //getenv
/*US
#if HAVE_DLFCN_H
# include <dlfcn.h>
#endif
#ifdef RTLD_GLOBAL
# define LT_GLOBAL RTLD_GLOBAL
#else
# ifdef DL_GLOBAL
# define LT_GLOBAL DL_GLOBAL
# endif
#endif
#ifndef LT_GLOBAL
# define LT_GLOBAL 0
#endif
*/
/*US
extern "C" {
extern int lt_dlopen_flag;
}
*/
KLibFactory::KLibFactory( QObject* parent, const char* name )
: QObject( parent, name )
{
}
KLibFactory::~KLibFactory()
{
// kdDebug(150) << "Deleting KLibFactory " << this << endl;
}
QObject* KLibFactory::create( QObject* parent, const char* name, const char* classname, const QStringList &args )
{
QObject* obj = createObject( parent, name, classname, args );
if ( obj )
emit objectCreated( obj );
return obj;
}
QObject* KLibFactory::createObject( QObject*, const char*, const char*, const QStringList &)
{
return 0;
}
// -----------------------------------------------
//US KLibrary::KLibrary( const QString& libname, const QString& filename, void * handle )
KLibrary::KLibrary( const QString& libname, const QString& filename, QLibrary* handle )
{
/* Make sure, we have a KLibLoader */
(void) KLibLoader::self();
m_libname = libname;
m_filename = filename;
m_handle = handle;
m_factory = 0;
m_timer = 0;
}
KLibrary::~KLibrary()
{
// kdDebug(150) << "Deleting KLibrary " << this << " " << m_libname << endl;
if ( m_timer && m_timer->isActive() )
m_timer->stop();
// If any object is remaining, delete
if ( m_objs.count() > 0 )
{
QPtrListIterator<QObject> it( m_objs );
for ( ; it.current() ; ++it )
{
kdDebug(150) << "Factory still has object " << it.current() << " " << it.current()->name () << " Library = " << m_libname << endl;
disconnect( it.current(), SIGNAL( destroyed() ),
this, SLOT( slotObjectDestroyed() ) );
}
m_objs.setAutoDelete(true);
m_objs.clear();
}
if ( m_factory ) {
// kdDebug(150) << " ... deleting the factory " << m_factory << endl;
delete m_factory;
}
}
QString KLibrary::name() const
{
return m_libname;
}
QString KLibrary::fileName() const
{
return m_filename;
}
KLibFactory* KLibrary::factory()
{
if ( m_factory )
return m_factory;
QCString symname;
symname.sprintf("init_%s", name().latin1() );
void* sym = symbol( symname );
if ( !sym )
{
qDebug("KLibrary: The library %s does not offer an %s function", name().latin1(), symname.data());
#ifndef NDEBUG
//US qDebug("KLibrary: errorcode: %s", lt_dlerror());
#endif
kdWarning(150) << "KLibrary: The library " << name().latin1() << " does not offer an init_" << name().latin1() << " function" << endl;
return 0;
}
typedef KLibFactory* (*t_func)();
t_func func = (t_func)sym;
m_factory = func();
if( !m_factory )
{
kdWarning(150) << "KLibrary: The library " << name() << " does not offer a KDE compatible factory" << endl;
return 0;
}
connect( m_factory, SIGNAL( objectCreated( QObject * ) ),
this, SLOT( slotObjectCreated( QObject * ) ) );
return m_factory;
}
void* KLibrary::symbol( const char* symname ) const
{
//US void* sym = lt_dlsym( (lt_dlhandle) m_handle, symname );
void* sym = m_handle->resolve( symname );
if ( !sym )
{
//US kdWarning(150) << "KLibrary: " << lt_dlerror() << endl;
return 0;
}
return sym;
}
bool KLibrary::hasSymbol( const char* symname ) const
{
//US void* sym = lt_dlsym( (lt_dlhandle) m_handle, symname );
void* sym = m_handle->resolve( symname );
return (sym != 0L );
}
void KLibrary::unload() const
{
if (KLibLoader::s_self)
KLibLoader::s_self->unloadLibrary(QFile::encodeName(name()));
}
void KLibrary::slotObjectCreated( QObject *obj )
{
if ( !obj )
return;
if ( m_timer && m_timer->isActive() )
m_timer->stop();
if ( m_objs.containsRef( obj ) )
return; // we know this object already
connect( obj, SIGNAL( destroyed() ),
this, SLOT( slotObjectDestroyed() ) );
m_objs.append( obj );
}
void KLibrary::slotObjectDestroyed()
{
m_objs.removeRef( sender() );
if ( m_objs.count() == 0 )
{
// kdDebug(150) << "KLibrary: shutdown timer for " << name() << " started!"
// << endl;
if ( !m_timer )
{
m_timer = new QTimer( this, "klibrary_shutdown_timer" );
connect( m_timer, SIGNAL( timeout() ),
this, SLOT( slotTimeout() ) );
}
// as long as it's not stable make the timeout short, for debugging
// pleasure (matz)
//m_timer->start( 1000*60, true );
m_timer->start( 1000*10, true );
}
}
void KLibrary::slotTimeout()
{
if ( m_objs.count() != 0 )
return;
/* Don't go through KLibLoader::unloadLibrary(), because that uses the
ref counter, but this timeout means to unconditionally close this library
The destroyed() signal will take care to remove us from all lists.
*/
delete this;
}
// -------------------------------------------------
/* This helper class is needed, because KLibraries can go away without
being unloaded. So we need some info about KLibraries even after its
death. */
class KLibWrapPrivate
{
public:
//US KLibWrapPrivate(KLibrary *l, lt_dlhandle h);
KLibWrapPrivate(KLibrary *l, QLibrary* h);
KLibrary *lib;
enum {UNKNOWN, UNLOAD, DONT_UNLOAD} unload_mode;
int ref_count;
//US lt_dlhandle handle;
QLibrary *handle;
QString name;
QString filename;
};
//US KLibWrapPrivate::KLibWrapPrivate(KLibrary *l, lt_dlhandle h)
KLibWrapPrivate::KLibWrapPrivate(KLibrary *l, QLibrary* h)
: lib(l), ref_count(1), handle(h), name(l->name()), filename(l->fileName())
{
unload_mode = UNKNOWN;
/*US
if (lt_dlsym(handle, "__kde_do_not_unload") != 0) {
// kdDebug(150) << "Will not unload " << name << endl;
unload_mode = DONT_UNLOAD;
} else if (lt_dlsym(handle, "__kde_do_unload") != 0) {
unload_mode = UNLOAD;
}
*/
//US use instead:
if (h->resolve("__kde_do_not_unload") != 0) {
// kdDebug(150) << "Will not unload " << name << endl;
unload_mode = DONT_UNLOAD;
} else if (h->resolve("__kde_do_unload") != 0) {
unload_mode = UNLOAD;
}
}
class KLibLoaderPrivate
{
public:
QPtrList<KLibWrapPrivate> loaded_stack;
QPtrList<KLibWrapPrivate> pending_close;
enum {UNKNOWN, UNLOAD, DONT_UNLOAD} unload_mode;
QString errorMessage;
};
KLibLoader* KLibLoader::s_self = 0;
KLibLoader* KLibLoader::self()
{
if ( !s_self )
s_self = new KLibLoader;
return s_self;
}
void KLibLoader::cleanUp()
{
if ( !s_self )
return;
delete s_self;
s_self = 0;
}
KLibLoader::KLibLoader( QObject* parent, const char* name )
: QObject( parent, name )
{
s_self = this;
d = new KLibLoaderPrivate;
//US lt_dlinit();
d->unload_mode = KLibLoaderPrivate::UNKNOWN;
if (getenv("KDE_NOUNLOAD") != 0)
d->unload_mode = KLibLoaderPrivate::DONT_UNLOAD;
else if (getenv("KDE_DOUNLOAD") != 0)
d->unload_mode = KLibLoaderPrivate::UNLOAD;
d->loaded_stack.setAutoDelete( true );
}
KLibLoader::~KLibLoader()
{
// kdDebug(150) << "Deleting KLibLoader " << this << " " << name() << endl;
QAsciiDictIterator<KLibWrapPrivate> it( m_libs );
for (; it.current(); ++it )
{
kdDebug(150) << "The KLibLoader contains the library " << it.current()->name
<< " (" << it.current()->lib << ")" << endl;
d->pending_close.append(it.current());
}
close_pending(0);
delete d;
}
//static
QString KLibLoader::findLibrary( const char * name/*US , const KInstance * instance*/ )
{
QCString libname( name );
// only append ".la" if there is no extension
// this allows to load non-libtool libraries as well
// (mhk, 20000228)
int pos = libname.findRev('/');
if (pos < 0)
pos = 0;
/*US
if (libname.find('.', pos) < 0) {
libname += ".la";
}
*/
//US in the microedition we work only with shared libraries.
+
if (libname.find('.', pos) < 0) {
+#ifdef _WIN32_
+ libname += ".dll";
+#else
libname += ".so";
+#endif
}
// only look up the file if it is not an absolute filename
// (mhk, 20000228)
QString libfile;
if (libname[0] == '/')
libfile = libname;
else
{
//US at this point the libname must exist as real filesname. No expansions will be made later
// in findResources. Because of that we prepend the lib prefix here to the name
//US I add also the "lib" prefix. I do not how could this could have worked before without it?
+#ifndef _WIN32_
libname.insert(pos, "lib");
+#endif
//US libfile = instance->dirs()->findResource( "module", libname );
//qDebug("libname = %s ",libname.data() );
libfile = KGlobal::dirs()->findResource( "module", libname );
//qDebug("libfile = %s ",libfile.latin1() );
if ( libfile.isEmpty() )
{
//US libfile = instance->dirs()->findResource( "lib", libname );
libfile = KGlobal::dirs()->findResource( "lib", libname );
//qDebug("libfile2 = %s ",libfile.latin1() );
#ifndef NDEBUG
if ( !libfile.isEmpty() && libname.left(3) == "lib" ) // don't warn for kdeinit modules
kdDebug(150) << "library " << libname << " not found under 'module' but under 'lib'" << endl;
#endif
}
if ( libfile.isEmpty() )
{
#ifndef NDEBUG
kdDebug(150) << "library=" << libname << ": No file names " << libname.data() << " found in paths." << endl;
self()->d->errorMessage = i18n("Library files for \"%1\" not found in paths").arg(libname);
qDebug("KLibLoader::library could not find library: %s", libname.data());
#endif
}
else
self()->d->errorMessage = QString::null;
}
//qDebug("return libfile = %s ",libfile.latin1() );
return libfile;
}
KLibrary* KLibLoader::globalLibrary( const char *name )
{
KLibrary *tmp;
/*US
int olt_dlopen_flag = lt_dlopen_flag;
lt_dlopen_flag |= LT_GLOBAL;
kdDebug(150) << "Loading the next library global with flag "
<< lt_dlopen_flag
<< "." << endl;
*/
tmp = library(name);
/*US
lt_dlopen_flag = olt_dlopen_flag;
*/
return tmp;
}
KLibrary* KLibLoader::library( const char *name )
{
if (!name)
return 0;
KLibWrapPrivate* wrap = m_libs[name];
if (wrap) {
/* Nothing to do to load the library. */
wrap->ref_count++;
return wrap->lib;
}
/* Test if this library was loaded at some time, but got
unloaded meanwhile, whithout being dlclose()'ed. */
QPtrListIterator<KLibWrapPrivate> it(d->loaded_stack);
for (; it.current(); ++it) {
if (it.current()->name == name)
wrap = it.current();
}
if (wrap) {
d->pending_close.removeRef(wrap);
if (!wrap->lib) {
/* This lib only was in loaded_stack, but not in m_libs. */
wrap->lib = new KLibrary( name, wrap->filename, wrap->handle );
}
wrap->ref_count++;
} else {
QString libfile = findLibrary( name );
if ( libfile.isEmpty() )
return 0;
#ifdef DESKTOP_VERSION
QLibrary *qlib = new QLibrary( libfile.latin1() );
#else
QLibrary *qlib = new QLibrary( libfile.latin1(), QLibrary::Immediately );
#endif
//US lt_dlhandle handle = lt_dlopen( libfile.latin1() );
//US if ( !handle )
if ( !qlib )
{
//US const char* errmsg = lt_dlerror();
char* errmsg;
sprintf(errmsg, "KLibLoader::library could not load library: %s", libfile.latin1());
qDebug(errmsg);
if(errmsg)
d->errorMessage = QString::fromLatin1(errmsg);
else
d->errorMessage = QString::null;
kdWarning(150) << "library=" << name << ": file=" << libfile << ": " << d->errorMessage << endl;
return 0;
}
else
d->errorMessage = QString::null;
KLibrary *lib = new KLibrary( name, libfile, qlib );
wrap = new KLibWrapPrivate(lib, qlib);
d->loaded_stack.prepend(wrap);
}
m_libs.insert( name, wrap );
connect( wrap->lib, SIGNAL( destroyed() ),
this, SLOT( slotLibraryDestroyed() ) );
return wrap->lib;
}
QString KLibLoader::lastErrorMessage() const
{
return d->errorMessage;
}
void KLibLoader::unloadLibrary( const char *libname )
{
KLibWrapPrivate *wrap = m_libs[ libname ];
if (!wrap)
return;
if (--wrap->ref_count)
return;
// kdDebug(150) << "closing library " << libname << endl;
m_libs.remove( libname );
disconnect( wrap->lib, SIGNAL( destroyed() ),
this, SLOT( slotLibraryDestroyed() ) );
close_pending( wrap );
}
KLibFactory* KLibLoader::factory( const char* name )
{
KLibrary* lib = library( name );
if ( !lib )
return 0;
return lib->factory();
}
void KLibLoader::slotLibraryDestroyed()
{
const KLibrary *lib = static_cast<const KLibrary *>( sender() );
QAsciiDictIterator<KLibWrapPrivate> it( m_libs );
for (; it.current(); ++it )
if ( it.current()->lib == lib )
{
KLibWrapPrivate *wrap = it.current();
wrap->lib = 0; /* the KLibrary object is already away */
m_libs.remove( it.currentKey() );
close_pending( wrap );
return;
}
}
void KLibLoader::close_pending(KLibWrapPrivate *wrap)
{
if (wrap && !d->pending_close.containsRef( wrap ))
d->pending_close.append( wrap );
/* First delete all KLibrary objects in pending_close, but _don't_ unload
the DSO behind it. */
QPtrListIterator<KLibWrapPrivate> it(d->pending_close);
for (; it.current(); ++it) {
wrap = it.current();
if (wrap->lib) {
disconnect( wrap->lib, SIGNAL( destroyed() ),
this, SLOT( slotLibraryDestroyed() ) );
delete wrap->lib;
wrap->lib = 0;
}
}
if (d->unload_mode == KLibLoaderPrivate::DONT_UNLOAD) return;
bool deleted_one = false;
while ((wrap = d->loaded_stack.first())) {
/* Let's first see, if we want to try to unload this lib.
If the env. var KDE_DOUNLOAD is set, we try to unload every lib.
If not, we look at the lib itself, and unload it only, if it exports
the symbol __kde_do_unload. */
if (d->unload_mode != KLibLoaderPrivate::UNLOAD
&& wrap->unload_mode != KLibWrapPrivate::UNLOAD)
break;
/* Now ensure, that the libs are only unloaded in the reverse direction
they were loaded. */
if (!d->pending_close.containsRef( wrap )) {
if (!deleted_one)
/* Only diagnose, if we really haven't deleted anything. */
// kdDebug(150) << "try to dlclose " << wrap->name << ": not yet" << endl;
break;
}
// kdDebug(150) << "try to dlclose " << wrap->name << ": yes, done." << endl;
#if 0
#ifndef Q_WS_QWS
if ( !deleted_one ) {
/* Only do the hack once in this loop.
WABA: *HACK*
We need to make sure to clear the clipboard before unloading a DSO
because the DSO could have defined an object derived from QMimeSource
and placed that on the clipboard. */
/*kapp->clipboard()->clear();*/
/* Well.. let's do something more subtle... convert the clipboard context
to text. That should be safe as it only uses objects defined by Qt. */
QWidgetList *widgetlist = QApplication::topLevelWidgets();
QWidget *co = widgetlist->first();
while (co) {
if (qstrcmp(co->name(), "internal clipboard owner") == 0) {
if (XGetSelectionOwner(co->x11Display(), XA_PRIMARY) == co->winId())
kapp->clipboard()->setText(kapp->clipboard()->text());
break;
}
co = widgetlist->next();
}
delete widgetlist;
}
#else
// FIXME(E): Implement in Qt Embedded
#endif
#endif // 0
deleted_one = true;
//US lt_dlclose(wrap->handle);
wrap->handle->unload();
d->pending_close.removeRef(wrap);
/* loaded_stack is AutoDelete, so wrap is freed */
d->loaded_stack.remove();
}
}
void KLibLoader::virtual_hook( int, void* )
{ /*BASE::virtual_hook( id, data );*/ }
void KLibFactory::virtual_hook( int, void* )
{ /*BASE::virtual_hook( id, data );*/ }
//US #include "klibloader.moc"