Sets the thread local variable key to have the value value in the current thread.
This function differs from Private.set in the following way: if the previous value was non-NULL then the GDestroyNotify handler for key is run on it.
the new value
2.32
Sets the thread local variable key to have the value value in the current thread.
This function differs from Private.set in the following way: if the previous value was non-NULL then the GDestroyNotify handler for key is run on it.