Take the thread mutex for the GUI toolkit, if one exists. (This method is implemented by the toolkit ATK implementation layer; for instance, for GTK+, GAIL implements this via GDK_THREADS_ENTER).
Deprecated: Since 2.12.
1.13
See Implementation
Take the thread mutex for the GUI toolkit, if one exists. (This method is implemented by the toolkit ATK implementation layer; for instance, for GTK+, GAIL implements this via GDK_THREADS_ENTER).