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Jason Evans 3763d3b5f9 Refactor arena_cactive_update() into arena_cactive_{add,sub}(). 
This removes an implicit conversion from size_t to ssize_t.  For cactive
decreases, the size_t value was intentionally underflowed to generate
"negative" values (actually positive values above the positive range of
ssize_t), and the conversion to ssize_t was undefined according to C
language semantics.

This regression was perpetuated by
1522937e9c (Fix the cactive statistic.)
and first release in 4.0.0, which in retrospect only fixed one of two
problems introduced by aa5113b1fd
(Refactor overly large/complex functions) and first released in 3.5.0.
2016-02-26 17:29:35 -08:00
bin Pass retain and exclude parameters to /pprof/symbol. 2016-01-29 19:59:06 -08:00
build-aux Use AC_CONFIG_AUX_DIR([build-aux]). 2015-11-12 11:23:39 -08:00
doc Make *allocx() size class overflow behavior defined. 2016-02-25 15:29:49 -08:00
include Refactor some bitmap cpp logic. 2016-02-26 14:43:39 -08:00
msvc Improve test_threads performance 2016-02-26 17:18:58 +01:00
src Refactor arena_cactive_update() into arena_cactive_{add,sub}(). 2016-02-26 17:29:35 -08:00
test Remove invalid tests. 2016-02-26 16:27:52 -08:00
.autom4te.cfg Disable autom4te cache. 2014-09-02 17:49:29 -07:00
.gitattributes fix git handling of newlines on windows 2014-05-07 18:48:39 -04:00
.gitignore Add MS Visual Studio 2015 support 2016-02-20 10:55:23 -08:00
autogen.sh Move repo contents in jemalloc/ to top level. 2011-03-31 20:36:17 -07:00
ChangeLog Update ChangeLog for 4.0.4. 2015-10-24 07:53:25 -07:00
config.stamp.in Move repo contents in jemalloc/ to top level. 2011-03-31 20:36:17 -07:00
configure.ac Compile with -Wshorten-64-to-32. 2016-02-24 13:03:48 -08:00
COPYING Update copyright dates for 2015. 2015-01-22 16:03:00 -08:00
coverage.sh Add test code coverage analysis. 2013-12-06 18:50:51 -08:00
INSTALL Add --with-malloc-conf. 2016-02-19 20:29:06 -08:00
jemalloc.pc.in Take into account the install suffix that jemalloc was built with in the pkg-config file. 2015-02-13 12:46:19 -08:00
Makefile.in Test run quantization. 2016-02-22 14:58:05 -08:00
README Update README. 2013-10-20 19:38:19 -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, Valgrind integration, 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://www.canonware.com/jemalloc/