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Merge branch 'pw/use-glibc-tunable-for-malloc-optim' into maint

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Avoid repeatedly running getconf to ask libc version in the test
suite, and instead just as it once per script.
source: <pull.1311.git.1659620305757.gitgitgadget@gmail.com>

* pw/use-glibc-tunable-for-malloc-optim:
  tests: cache glibc version check
This commit is contained in:
Junio C Hamano 2022-08-26 11:13:12 -07:00
parent 5825304328 a6a58f7801
commit 6283c1e6ad
1 changed files with 8 additions and 3 deletions
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11
t/test-lib.sh
View file

@ -557,14 +557,19 @@ then
: nothing
}
else
_USE_GLIBC_TUNABLES=
if _GLIBC_VERSION=$(getconf GNU_LIBC_VERSION 2>/dev/null) &&
_GLIBC_VERSION=${_GLIBC_VERSION#"glibc "} &&
expr 2.34 \<= "$_GLIBC_VERSION" >/dev/null
then
_USE_GLIBC_TUNABLES=YesPlease
fi
setup_malloc_check () {
local g
local t
MALLOC_CHECK_=3 MALLOC_PERTURB_=165
export MALLOC_CHECK_ MALLOC_PERTURB_
if _GLIBC_VERSION=$(getconf GNU_LIBC_VERSION 2>/dev/null) &&
_GLIBC_VERSION=${_GLIBC_VERSION#"glibc "} &&
expr 2.34 \<= "$_GLIBC_VERSION" >/dev/null
if test -n "$_USE_GLIBC_TUNABLES"
then
g=
LD_PRELOAD="libc_malloc_debug.so.0"