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[Bug nptl/17214] Expose a clone variant that shares stacks instead of jumping to a new one
- From: "bugdal at aerifal dot cx" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sourceware dot org
- Date: Fri, 19 Dec 2014 01:17:17 +0000
- Subject: [Bug nptl/17214] Expose a clone variant that shares stacks instead of jumping to a new one
- Auto-submitted: auto-generated
- References: <bug-17214-131 at http dot sourceware dot org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=17214
--- Comment #12 from Rich Felker <bugdal at aerifal dot cx> ---
Steven, a clone that behaved like vfork (returning twice in the same shared VM)
would have all the same problems as vfork, i.e. it would be completely
incompatible with modern compilers that do any nontrivial optimizations. vfork
was eliminated for very good reasons, and it should not be brought back.
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