openbsd/src/lib/libc/stdlib/malloc.c, branch pre_openssl_0_9_8h A mirror of https://github.com/libressl/openbsd.git https://git.lua4.win/openbsd/atom?h=pre_openssl_0_9_8h 2008-07-28T23:44:12+00:00 This commit was manufactured by cvs2git to create tag 'pre_openssl_0_9_8h'. 2008-07-28T23:44:12+00:00 cvs2svn admin@example.com 2008-07-28T23:44:12+00:00 urn:sha1:daac2f633f49a45baa8412c5e4e71e594236e7b8 Almost complete rewrite of malloc, to have a more efficient data 2008-07-28T04:56:38+00:00 otto 2008-07-28T04:56:38+00:00 urn:sha1:b27d6e846482338e09c058638005f2b0c06b1832 structure of tracking pages returned by mmap(). Lots of testing by lots of people, thanks to you all. ok djm@ (for a slighly earlier version) deraadt@ remove _MALLOC_LOCK_INIT; major bump; ok deraadt@ 2008-06-13T21:18:42+00:00 otto 2008-06-13T21:18:42+00:00 urn:sha1:b65da525816f8a4366b3b8f09e0bbcec6ec867a6 remove recalloc(3); it is buggy and impossible to repair without big 2008-05-19T19:36:15+00:00 otto 2008-05-19T19:36:15+00:00 urn:sha1:64e5a691eaebd488c6d4609a36c21e319b92aef7 costs; ok jmc@ for the man page bits; ok millert@ deraadt@ Use arc4random_buf() when requesting more than a single word of output 2008-04-13T00:22:17+00:00 djm 2008-04-13T00:22:17+00:00 urn:sha1:3e091e5f9bb5ae7fbc3f63db4474a599ad3fe529 Use arc4random_uniform() when the desired random number upper bound is not a power of two ok deraadt@ millert@ use pgfree pool like other code does to reserve free list slots. 2008-02-20T18:31:34+00:00 otto 2008-02-20T18:31:34+00:00 urn:sha1:af70d9f43988faac4e1d4c23c2ee82a7f1fc0776 prevents a few "cannot free mem because i need mem to free mem" scenarios (one found by weingart@). ok weingart@ millert@ miod@ add recaloc(3) 2007-09-03T14:37:02+00:00 millert 2007-09-03T14:37:02+00:00 urn:sha1:2056049ed6b7a028e611838a742280fced6d2c23 get cheaper random bytes, less waste and no getpid() calls, which are 2007-02-12T20:00:14+00:00 otto 2007-02-12T20:00:14+00:00 urn:sha1:d1c8932c1d4d3973f285faadc8ffb6c19023a2a1 done by arc4random(); ok millert@ deraadt@ a failed mmap returns MAP_FAILED, not NULL. found while exercising pax 2006-12-19T13:00:50+00:00 otto 2006-12-19T13:00:50+00:00 urn:sha1:c637dfc67372c7d04a8e0cc2bca4a0f242573541 in low-mem conditions; ok dim@ respond to ben hawkes's ruxcon presentation. 2006-10-24T04:35:30+00:00 tedu 2006-10-24T04:35:30+00:00 urn:sha1:182ec138408d8727b97aa8a6b7faef3a1c05037b create special allocators for pginfo and pgfree structs instead of imalloc. this keeps them separated from application memory. for chunks, to prevent deterministic reuse, keep a small array and swizzle the to be freed chunk with a random previously freed chunk. this last bit only for chunks because keeping arbitrarily large regions of pages around may cause out of memory issues (and pages are, to some extent, returned in random order). all changes enabled by default. thanks to ben for pointing out these issues. ok tech@