-(define-alien-routine ("protect_control_stack_guard_page"
- %protect-control-stack-guard-page)
- sb!alien:void
- (thread-sap system-area-pointer)
- (protect-p sb!alien:int))
-(defun protect-control-stack-guard-page (n)
- (%protect-control-stack-guard-page
- (sb!thread::thread-%sap sb!thread:*current-thread*) (if n 1 0)))