278 commits

Author	SHA1	Message	Date
daan	baf08e8d54	fix size check on overflow when padding is enabled in debug mode	2020-02-17 09:59:34 -08:00
daan	9749c83ca0	fix build with debug and secure both enabled, issue #203	2020-02-13 09:16:41 -08:00
daan	aa68b8cbc7	improve encoding of padding canary and buffer overflow detection	2020-02-01 12:16:37 -08:00
daan	68112a2751	better padding implementation, more precise statistics	2020-01-31 20:34:24 -08:00
daan	d221a4b904	merge from dev-exp	2020-01-27 23:36:53 -08:00
daan	b3dae128de	Merge branch 'dev' into dev-exp	2020-01-27 23:15:37 -08:00
daan	9c166d88f0	increase retire page size	2020-01-27 23:15:24 -08:00
daan	54e206a0a1	increase retire page size	2020-01-27 22:41:24 -08:00
daan	b50bec463d	merge from dev-exp; better abandoned reclamation	2020-01-27 22:12:23 -08:00
daan	e628fc7067	cleanup reclaim logic	2020-01-26 12:39:11 -08:00
daan	4a2a0c2d50	initial abandon based on fine-grained reclamation	2020-01-23 19:50:35 -08:00
daan	66818bf632	use atomic yield on delayed-freeing; clarify code	2020-01-23 09:57:55 -08:00
daan	e226ebcc97	Merge branch 'dev' into dev-arena	2020-01-22 20:39:33 -08:00
daan	3bbbe6c686	enable atomic yield when delayed_freeing is encountered	2020-01-22 20:12:42 -08:00
daan	e3b16fe4ef	reduce type casts in atomic operations	2020-01-22 19:44:54 -08:00
Daan Leijen	caa5e51a67	align size of page_t, increase slices per segment	2020-01-22 11:29:32 -08:00
daan	0028272cf4	small fixes, reduced segment size, fix merge conflicts	2020-01-20 22:33:29 -08:00
daan	394a7a92ab	merge from dev	2020-01-20 19:06:08 -08:00
daan	b77be05e40	only collect retired at fresh page allocation	2020-01-20 12:14:34 -08:00
daan	dc58388968	Add ability to register custom error function called on various error conditions; including ENOMEM	2020-01-17 19:59:55 -08:00
daan	c6037ac8f2	fix assertion index	2020-01-16 16:56:02 -08:00
daan	ad32eb1dfb	eager collect on page reclamation	2020-01-15 17:57:19 -08:00
daan	0099707af9	use delayed free for all pages; reduce size of the page structure for improved address calculation	2020-01-15 17:19:01 -08:00
daan	0956a05bf6	add argument pointer to the register deferred free callback	2020-01-15 10:21:32 -08:00
daan	4a27ea1643	merge from dev	2020-01-13 18:01:34 -08:00
daan	12ef2816ed	fix bug exposed by commit 59fa286 where reclaimed pages could be stuck to NEVER_DELAYED	2020-01-08 19:00:03 -08:00
daan	45582d1fb5	revert a2a9230 (remove empty page removal on search): this is not generally valid when concurrent frees do not always add to thread_delayed_free.	2020-01-05 13:58:49 -08:00
daan	59fa286294	fix bug where continue would wrongly exit the do-while loop for delayed freeing	2020-01-05 13:52:07 -08:00
daan	a2a9230ad6	remove empty page removal on page search (no longer needed with retired collection and delayed freeing)	2020-01-03 22:52:52 -08:00
daan	2b108c8748	increase retire expiration to 4	2020-01-03 21:39:18 -08:00
daan	eeb623e6af	increase retire limit, collect retired pages	2020-01-03 17:06:41 -08:00
daan	77134e1ad0	update free list encoding to stronger formula with addition last	2019-12-28 15:17:49 -08:00
daan	e3391d9a53	stronger encoding of free lists using two keys per page	2019-12-28 00:57:42 -08:00
daan	ba87a39d9f	updated random cookie generation using OS primitives and chacha20	2019-12-22 19:37:49 -08:00
daan	b5fbdb7180	merge from dev	2019-11-25 11:16:39 -08:00
daan	c6df7a199c	experimental eager page commit option	2019-11-24 22:02:40 -08:00
daan	1066be1594	merge from dev-exp	2019-11-21 17:03:30 -08:00
daan	6568059cc6	merge from dev	2019-11-21 16:28:28 -08:00
daan	74dbfc30be	improved security by encoding NULL values; double free mitigation on by default; more precise free list corruption detection	2019-11-21 15:21:23 -08:00
Daan Leijen	211f1aa519	remove reset delay slots; add reset tracking per page and segment	2019-11-20 14:55:12 -08:00
Daan Leijen	56b9fac4bf	merge from dev	2019-11-20 13:31:04 -08:00
Daan Leijen	4d4a2885f5	use atomic read/write on the page->heap field where concurrent interaction is possible	2019-11-20 13:19:17 -08:00
Daan Leijen	fed0068dac	merge from dev-exp; bitmap based arena	2019-11-10 07:56:40 -08:00
daan	6ccfb5a93e	merge from dev	2019-11-07 11:00:50 -08:00
daan	9b65388807	fix space leak in secure mode where a non-null free list would be discarded	2019-11-07 10:59:19 -08:00
daan	36090dee5c	Merge branch 'dev' into dev-exp	2019-11-07 10:34:06 -08:00
daan	31d11f64d5	fix secure free list extension where a non-empty initial free list was discarded	2019-11-07 10:33:45 -08:00
daan	378716c467	refactor and improve atomic bitmap usage	2019-11-07 10:26:52 -08:00
daan	2b005addd3	merge from dev-exp	2019-11-03 13:37:03 -08:00
daan	9d6a5acb22	fix unix build warnings	2019-11-03 13:34:54 -08:00