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[Bug nptl/14485] File corruption race condition in robust mutex unlocking
- From: "bugdal at aerifal dot cx" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sourceware dot org
- Date: Tue, 10 Feb 2015 22:17:51 +0000
- Subject: [Bug nptl/14485] File corruption race condition in robust mutex unlocking
- Auto-submitted: auto-generated
- References: <bug-14485-131 at http dot sourceware dot org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=14485
--- Comment #10 from Rich Felker <bugdal at aerifal dot cx> ---
Torvald, the distinction between unmap and destroy+unmap may be significant in
that the costly synchronization could be tucked away in pthread_mutex_destroy
to deal with the latter case but not the former. So I think this realistically
comes into any performance-based argument of what the standard should mandate.
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