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Fix "prof.reset" mallctl-related corruption.

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Fix heap profiling to distinguish among otherwise identical sample sites
with interposed resets (triggered via the "prof.reset" mallctl).  This
bug could cause data structure corruption that would most likely result
in a segfault.
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Jason Evans
2015-09-09 23:16:10 -07:00
parent a306a60651
commit a00b10735a
4 changed files with 84 additions and 20 deletions
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@@ -22,6 +22,10 @@ brevity. Much more detail can be found in the git revision history:
visible to custom functions set via the "arena.<i>.chunk_hooks" mallctl.
- Fix TLS configuration such that it is enabled by default for platforms on
which it works correctly.
- Fix heap profiling to distinguish among otherwise identical sample sites
with interposed resets (triggered via the "prof.reset" mallctl). This bug
could cause data structure corruption that would most likely result in a
segfault.
* 4.0.0 (August 17, 2015)