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New attempt to fix Pavel's crash, this modifies r40206.
The global list of cloned buffers was a bad idea. We don't have multiple export threads, but we can have multiple autosave threads. So now we keep more than one of these lists at the same time, and each cloned buffer has a pointer to the relevant list. Note that this would make multiple export possible, if we wanted to do that at some time. git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/branches/BRANCH_2_0_X@40229 a592a061-630c-0410-9148-cb99ea01b6c8
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@ -140,13 +140,13 @@ void showPrintError(string const & name)
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Alert::error(_("Print document failed"), str);
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}
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/// a list of Buffers we cloned
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set<Buffer *> cloned_buffer_list;
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} // namespace anon
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// A storehouse for the cloned buffers.
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list<CloneList> cloned_buffers;
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class Buffer::Impl
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{
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public:
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@ -298,6 +298,8 @@ public:
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/// If non zero, this buffer is a clone of existing buffer \p cloned_buffer_
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/// This one is useful for preview detached in a thread.
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Buffer const * cloned_buffer_;
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///
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CloneList * clone_list_;
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/// are we in the process of exporting this buffer?
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mutable bool doing_export;
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@ -333,8 +335,8 @@ Buffer::Impl::Impl(Buffer * owner, FileName const & file, bool readonly_,
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read_only(readonly_), filename(file), file_fully_loaded(false),
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toc_backend(owner), macro_lock(false), timestamp_(0),
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checksum_(0), wa_(0), gui_(0), undo_(*owner), bibinfo_cache_valid_(false),
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bibfile_cache_valid_(false), cloned_buffer_(cloned_buffer),
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doing_export(false), parent_buffer(0)
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bibfile_cache_valid_(false), cloned_buffer_(cloned_buffer),
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clone_list_(0), doing_export(false), parent_buffer(0)
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{
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if (!cloned_buffer_) {
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temppath = createBufferTmpDir();
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@ -393,13 +395,13 @@ Buffer::~Buffer()
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if (isClone()) {
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// this is in case of recursive includes: we won't try to delete
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// ourselves as a child.
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cloned_buffer_list.erase(this);
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d->clone_list_->erase(this);
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// loop over children
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Impl::BufferPositionMap::iterator it = d->children_positions.begin();
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Impl::BufferPositionMap::iterator end = d->children_positions.end();
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for (; it != end; ++it) {
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Buffer * child = const_cast<Buffer *>(it->first);
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if (cloned_buffer_list.erase(child))
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if (d->clone_list_->erase(child))
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delete child;
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}
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// FIXME Do we really need to do this right before we delete d?
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@ -442,25 +444,21 @@ Buffer::~Buffer()
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Buffer * Buffer::clone() const
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{
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BufferMap bufmap;
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masterBuffer()->clone(bufmap);
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cloned_buffers.push_back(CloneList());
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CloneList * clones = &cloned_buffers.back();
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masterBuffer()->clone(bufmap, clones);
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// make sure we got cloned
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BufferMap::const_iterator bit = bufmap.find(this);
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LASSERT(bit != bufmap.end(), return 0);
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Buffer * cloned_buffer = bit->second;
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// record the list of cloned buffers
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cloned_buffer_list.clear();
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BufferMap::iterator it = bufmap.begin();
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BufferMap::iterator en = bufmap.end();
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for (; it != en; ++it)
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cloned_buffer_list.insert(it->second);
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return cloned_buffer;
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}
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void Buffer::clone(BufferMap & bufmap) const
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void Buffer::clone(BufferMap & bufmap, CloneList * clones) const
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{
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// have we already been cloned?
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if (bufmap.find(this) != bufmap.end())
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@ -468,6 +466,8 @@ void Buffer::clone(BufferMap & bufmap) const
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Buffer * buffer_clone = new Buffer(fileName().absFileName(), false, this);
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bufmap[this] = buffer_clone;
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clones->insert(buffer_clone);
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buffer_clone->d->clone_list_ = clones;
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buffer_clone->d->macro_lock = true;
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buffer_clone->d->children_positions.clear();
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// FIXME (Abdel 09/01/2010): this is too complicated. The whole children_positions and
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@ -481,7 +481,7 @@ void Buffer::clone(BufferMap & bufmap) const
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dit.setBuffer(buffer_clone);
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Buffer * child = const_cast<Buffer *>(it->second.second);
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child->clone(bufmap);
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child->clone(bufmap, clones);
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BufferMap::iterator it = bufmap.find(child);
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LASSERT(it != bufmap.end(), continue);
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Buffer * child_clone = it->second;
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@ -75,6 +75,8 @@ class FileNameList;
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class Buffer;
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typedef std::list<Buffer *> ListOfBuffers;
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/// a list of Buffers we cloned
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typedef std::set<Buffer *> CloneList;
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/** The buffer object.
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@ -214,7 +216,7 @@ private:
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///
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typedef std::map<Buffer const *, Buffer *> BufferMap;
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///
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void clone(BufferMap &) const;
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void clone(BufferMap &, CloneList *) const;
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/// save timestamp and checksum of the given file.
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void saveCheckSum() const;
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/// read a new file
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