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test-lib.sh: Use GLIBC_TUNABLES instead of MALLOC_CHECK_ on glibc >= 2.34
In glibc >= 2.34 MALLOC_CHECK_ and MALLOC_PERTURB_ environment variables have been replaced by GLIBC_TUNABLES. Also the new glibc requires that you preload a library called libc_malloc_debug.so to get these features. Using the ordinary glibc system variable detect if this is glibc >= 2.34 and use GLIBC_TUNABLES and the new library. This patch was inspired by a Richard W.M. Jones ndbkit patch Helped-by: Junio C Hamano <gitster@pobox.com> Signed-off-by: Elia Pinto <gitter.spiros@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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@ -518,9 +518,25 @@ else
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setup_malloc_check () {
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MALLOC_CHECK_=3 MALLOC_PERTURB_=165
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export MALLOC_CHECK_ MALLOC_PERTURB_
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if _GLIBC_VERSION=$(getconf GNU_LIBC_VERSION 2>/dev/null) &&
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_GLIBC_VERSION=${_GLIBC_VERSION#"glibc "} &&
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expr 2.34 \<= "$_GLIBC_VERSION" >/dev/null
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then
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g=
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LD_PRELOAD="libc_malloc_debug.so.0"
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for t in \
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glibc.malloc.check=1 \
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glibc.malloc.perturb=165
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do
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g="${g#:}:$t"
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done
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GLIBC_TUNABLES=$g
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export LD_PRELOAD GLIBC_TUNABLES
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fi
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}
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teardown_malloc_check () {
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unset MALLOC_CHECK_ MALLOC_PERTURB_
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unset LD_PRELOAD GLIBC_TUNABLES
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}
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fi
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