This function marks the beginning of a critical section in which
GDK and GTK+ functions can be called safely and without causing race
conditions. Only one thread at a time can be in such a critial
section.
Returns void
Deprecated
since 3.6: All GDK and GTK+ calls should be made from the main thread
This function marks the beginning of a critical section in which GDK and GTK+ functions can be called safely and without causing race conditions. Only one thread at a time can be in such a critial section.