(sb!thread:make-mutex :name "GC lock") "ID of thread running SUB-GC")
(defun sub-gc (&key (gen 0))
- (unless (eql (sb!thread:current-thread-id)
- (sb!thread::mutex-value *already-in-gc*))
+ (unless (eq sb!thread:*current-thread*
+ (sb!thread::mutex-value *already-in-gc*))
+ ;; With gencgc, unless *NEED-TO-COLLECT-GARBAGE* every allocation
+ ;; in this function triggers another gc, potentially exceeding
+ ;; maximum interrupt nesting.
(setf *need-to-collect-garbage* t)
(when (zerop *gc-inhibit*)
(sb!thread:with-mutex (*already-in-gc*)
;; current belief is that it is part of the normal order
;; of things and not a bug.
(when (plusp freed)
- (incf *n-bytes-freed-or-purified* freed)))
- (sb!thread::reap-dead-threads)))
- ;; Outside the mutex, these may cause another GC.
+ (incf *n-bytes-freed-or-purified* freed)))))
+ ;; Outside the mutex, these may cause another GC. FIXME: it can
+ ;; potentially exceed maximum interrupt nesting by triggering
+ ;; GCs.
(run-pending-finalizers)
(dolist (hook *after-gc-hooks*)
(handler-case
"Disable the garbage collector."
(setq *gc-inhibit* 1)
nil)
-