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[Bug libc/16291] feature request: provide simpler ways to compute stack and tls boundaries
- From: "konstantin.s.serebryany at gmail dot com" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sourceware dot org
- Date: Wed, 29 Jan 2014 15:22:59 +0000
- Subject: [Bug libc/16291] feature request: provide simpler ways to compute stack and tls boundaries
- Auto-submitted: auto-generated
- References: <bug-16291-131 at http dot sourceware dot org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=16291
--- Comment #23 from Kostya Serebryany <konstantin.s.serebryany at gmail dot com> ---
>> How does LeakSanitizer "stop" threads?
It creates a special thread (using raw clone) and then ptraces all other
threads.
http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc?revision=192689&view=markup&pathrev=192689
>> but perhaps this is too much of a pain to implement.
Oh, yea. Even the current implementation is a bit too complex...
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