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[Bug localedata/5033] locarchive does not provide fallback for mmap()
- From: "bugdal at aerifal dot cx" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sources dot redhat dot com
- Date: Tue, 21 Feb 2012 22:51:54 +0000
- Subject: [Bug localedata/5033] locarchive does not provide fallback for mmap()
- Auto-submitted: auto-generated
- References: <bug-5033-131@http.sourceware.org/bugzilla/>
http://sourceware.org/bugzilla/show_bug.cgi?id=5033
--- Comment #4 from Rich Felker <bugdal at aerifal dot cx> 2012-02-21 22:51:54 UTC ---
Per POSIX:
The mmap() function shall be supported for the following memory objects:
Regular files
[SHM][X> Shared memory objects <X]
[TYM][X> Typed memory objects <X]
No exception is made that says MAP_SHARED need not work for certain regular
files, so I interpret this as meaning that a system on which some filesystems
do not support MAP_SHARED is non-conformant.
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