GMutex *ev_document_get_doc_mutex (void);
void ev_document_doc_mutex_lock (void);
void ev_document_doc_mutex_unlock (void);
+gboolean ev_document_doc_mutex_trylock(void);
/* FontConfig mutex */
GMutex *ev_document_get_fc_mutex (void);
void ev_document_fc_mutex_lock (void);
void ev_document_fc_mutex_unlock (void);
+gboolean ev_document_fc_mutex_trylock (void);
EvDocumentInfo *ev_document_get_info (EvDocument *document);
gboolean ev_document_load (EvDocument *document,