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* [Bug libc/27883] New: The memusage script does not work if LD_PRELOAD used also for other purposes
@ 2021-05-18 8:27 eru at netti dot fi
2021-05-18 9:09 ` [Bug libc/27883] " schwab@linux-m68k.org
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: eru at netti dot fi @ 2021-05-18 8:27 UTC (permalink / raw)
To: glibc-bugs
https://sourceware.org/bugzilla/show_bug.cgi?id=27883
Bug ID: 27883
Summary: The memusage script does not work if LD_PRELOAD used
also for other purposes
Product: glibc
Version: 2.32
Status: UNCONFIRMED
Severity: minor
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: eru at netti dot fi
CC: drepper.fsp at gmail dot com
Target Milestone: ---
The memusage script uses LD_PRELOAD to inject libmemusage.so at start-up.
However, it completely overrides the variable, which causes problems, if the
user also needs to define the variable to add other .so files. (Happened in a
testing framework I am using). One possible fix:
if [[ "${LD_PRELOAD:-UNSET}" = "UNSET" ]]; then
add_env="LD_PRELOAD=$memusageso"
else
add_env="LD_PRELOAD=${LD_PRELOAD}:$memusageso"
fi
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* [Bug libc/27883] The memusage script does not work if LD_PRELOAD used also for other purposes
2021-05-18 8:27 [Bug libc/27883] New: The memusage script does not work if LD_PRELOAD used also for other purposes eru at netti dot fi
@ 2021-05-18 9:09 ` schwab@linux-m68k.org
2021-05-18 13:34 ` eru at netti dot fi
2023-07-03 1:55 ` ppluzhnikov at google dot com
2 siblings, 0 replies; 4+ messages in thread
From: schwab@linux-m68k.org @ 2021-05-18 9:09 UTC (permalink / raw)
To: glibc-bugs
https://sourceware.org/bugzilla/show_bug.cgi?id=27883
--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
add_env=LD_PRELOAD=${LD_PRELOAD:+${LD_PRELOAD}:}$memusageso
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* [Bug libc/27883] The memusage script does not work if LD_PRELOAD used also for other purposes
2021-05-18 8:27 [Bug libc/27883] New: The memusage script does not work if LD_PRELOAD used also for other purposes eru at netti dot fi
2021-05-18 9:09 ` [Bug libc/27883] " schwab@linux-m68k.org
@ 2021-05-18 13:34 ` eru at netti dot fi
2023-07-03 1:55 ` ppluzhnikov at google dot com
2 siblings, 0 replies; 4+ messages in thread
From: eru at netti dot fi @ 2021-05-18 13:34 UTC (permalink / raw)
To: glibc-bugs
https://sourceware.org/bugzilla/show_bug.cgi?id=27883
--- Comment #2 from Erkki Ruohtula <eru at netti dot fi> ---
(In reply to Andreas Schwab from comment #1)
> add_env=LD_PRELOAD=${LD_PRELOAD:+${LD_PRELOAD}:}$memusageso
Certainly a better fix.
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* [Bug libc/27883] The memusage script does not work if LD_PRELOAD used also for other purposes
2021-05-18 8:27 [Bug libc/27883] New: The memusage script does not work if LD_PRELOAD used also for other purposes eru at netti dot fi
2021-05-18 9:09 ` [Bug libc/27883] " schwab@linux-m68k.org
2021-05-18 13:34 ` eru at netti dot fi
@ 2023-07-03 1:55 ` ppluzhnikov at google dot com
2 siblings, 0 replies; 4+ messages in thread
From: ppluzhnikov at google dot com @ 2023-07-03 1:55 UTC (permalink / raw)
To: glibc-bugs
https://sourceware.org/bugzilla/show_bug.cgi?id=27883
Paul Pluzhnikov <ppluzhnikov at google dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Ever confirmed|0 |1
CC| |ppluzhnikov at google dot com
Status|UNCONFIRMED |NEW
Last reconfirmed| |2023-07-03
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end of thread, other threads:[~2023-07-03 1:55 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2021-05-18 8:27 [Bug libc/27883] New: The memusage script does not work if LD_PRELOAD used also for other purposes eru at netti dot fi
2021-05-18 9:09 ` [Bug libc/27883] " schwab@linux-m68k.org
2021-05-18 13:34 ` eru at netti dot fi
2023-07-03 1:55 ` ppluzhnikov at google dot com
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