Decrements the reference count of @file by one. If the reference count drops to 0, unmaps the buffer of @file and frees it.
It is safe to call this function from any thread.
Since 2.22
See Implementation
Decrements the reference count of @file by one. If the reference count drops to 0, unmaps the buffer of @file and frees it.
It is safe to call this function from any thread.
Since 2.22