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David Goldblatt be9548f2be Tcaches: Fix a subtle race condition. 
Without a lock held continuously between checking tcaches_past and incrementing
it, it's possible for two threads to go down manual creation path
simultaneously.  If the number of tcaches is one less than the maximum, it's
possible for both to create a tcache and increment tcaches_past, with the second
thread returning a value larger than TCACHES_MAX.
2020-10-13 15:06:16 -07:00
bin Fix typo derived from tcmalloc's pprof 2019-04-23 15:29:57 -07:00
build-aux Update config.{guess,sub} from upstream. 2016-11-10 15:08:32 -08:00
doc Verify output space before doing heavy work in mallctl 2020-07-27 09:48:35 -07:00
doc_internal Add PROFILING_INTERNALS.md 2020-09-10 15:56:59 -07:00
include Add hpa_central module 2020-10-05 19:55:57 -07:00
m4 Support C++17 over-aligned allocation 2019-11-22 10:14:16 -08:00
msvc Add hpa_central module 2020-10-05 19:55:57 -07:00
scripts Add a script to check for clang-formattedness. 2020-10-02 14:49:56 -07:00
src Tcaches: Fix a subtle race condition. 2020-10-13 15:06:16 -07:00
test Add hpa_central module 2020-10-05 19:55:57 -07:00
.appveyor.yml Appveyor: don't update msys2 keyring. 2020-10-05 19:54:21 -07:00
.autom4te.cfg Disable autom4te cache. 2014-09-02 17:49:29 -07:00
.cirrus.yml Cirrus-CI: test on new freebsd releases. 2020-02-23 20:43:38 -08:00
.clang-format Add a .clang-format file. 2020-10-02 14:49:56 -07:00
.gitattributes fix git handling of newlines on windows 2014-05-07 18:48:39 -04:00
.gitignore Add PROFILING_INTERNALS.md 2020-09-10 15:56:59 -07:00
.travis.yml CI support for PPC64LE architecture 2020-09-17 10:03:08 -07:00
autogen.sh Move repo contents in jemalloc/ to top level. 2011-03-31 20:36:17 -07:00
ChangeLog Update Changelog for 5.2.1. 2019-08-05 12:52:43 -07:00
config.stamp.in Move repo contents in jemalloc/ to top level. 2011-03-31 20:36:17 -07:00
configure.ac Avoid a -Wundef warning on LG_SLAB_MAXREGS. 2020-09-17 10:05:40 -07:00
COPYING Update copyright dates. 2019-01-25 13:25:20 -08:00
INSTALL.md Remove --with-slab-maxregs options from INSTALL.md 2020-09-17 10:05:40 -07:00
jemalloc.pc.in Reformat the version number in jemalloc.pc.in. 2018-05-07 20:12:03 -07:00
Makefile.in Add hpa_central module 2020-10-05 19:55:57 -07:00
README Update project URL. 2016-09-12 11:56:24 -07:00
run_tests.sh Introduce scripts to run all possible tests 2017-01-30 17:51:57 -08:00
TUNING.md Add TUNING.md. 2018-05-03 12:52:52 -07:00

README 

jemalloc is a general purpose malloc(3) implementation that emphasizes
fragmentation avoidance and scalable concurrency support.  jemalloc first came
into use as the FreeBSD libc allocator in 2005, and since then it has found its
way into numerous applications that rely on its predictable behavior.  In 2010
jemalloc development efforts broadened to include developer support features
such as heap profiling and extensive monitoring/tuning hooks.  Modern jemalloc
releases continue to be integrated back into FreeBSD, and therefore versatility
remains critical.  Ongoing development efforts trend toward making jemalloc
among the best allocators for a broad range of demanding applications, and
eliminating/mitigating weaknesses that have practical repercussions for real
world applications.

The COPYING file contains copyright and licensing information.

The INSTALL file contains information on how to configure, build, and install
jemalloc.

The ChangeLog file contains a brief summary of changes for each release.

URL: http://jemalloc.net/