(symbol-address unsigned)))
(dladdr (function unsigned unsigned (* (struct dl-info)))
:extern "dladdr"))
- (let ((err (alien-funcall dladdr addr (addr info))))
+ (let ((err (without-gcing
+ ;; On eg. Darwin GC can could otherwise interrupt
+ ;; the call while dladdr is holding a lock.
+ (alien-funcall dladdr addr (addr info)))))
(if (zerop err)
nil
(slot info 'symbol))))