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authorLucas De Marchi <lucas.demarchi@profusion.mobi>2011-11-02 13:39:22 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-11-02 16:07:02 -0700
commitf1ecf06854a66ee663f4d4cf029c78cd62a15e04 (patch)
treecbe863057fa14b9390746db6d2b1812a2f874b48 /init
parent088024b1deee206cd37eff980138e918837aabdb (diff)
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sysctl: add support for poll()
Adding support for poll() in sysctl fs allows userspace to receive notifications of changes in sysctl entries. This adds a infrastructure to allow files in sysctl fs to be pollable and implements it for hostname and domainname. [akpm@linux-foundation.org: s/declare/define/ for definitions] Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi> Cc: Greg KH <gregkh@suse.de> Cc: Kay Sievers <kay.sievers@vrfy.org> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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