lock_function(3) - Linux man page
Name
LOCK_FUNCTION - Locks the memory of a function used by a timer. Allegro game programming library.
Synopsis
#include <allegro.h>
Macro LOCK_FUNCTION(function_name);
Description
Due to interrupts, you are required to lock all the memory used by your timer routines. See the
description of install_int_ex() for a more detailed explanation and usage example.
See Also
install_int(3), install_int_ex(3), exkeys(3),
exscn3d(3), exsprite(3), exswitch(3), extimer(3), exupdate(3), exzbuf(3)