Messages in this thread | | | Date | Wed, 2 May 2018 21:10:06 +0200 | From | Pavel Machek <> | Subject | Re: [PATCH] proc: restore seekdir("/proc", 256) semantics |
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Hi!
> Long time ago "/proc/self" was an honest symlink and all not-PID entries > were output before /proc/$PID. To not lose /proc/self in readdir output > after it became permanently positive dentry it was stuck before /proc/1. > > One side effect of the change was that the code > > d = opendir("/proc"); > seekdir(d, 256); > > stopped pointing to the first PID for applications that want to skip all > the crap. > > Later "/proc/thread-self" was added in the same way. > > It looks like ps and top aren't seeking over /proc but are simply > skipping over so nobody noticed. > > Restore old behaviour, make seekdir(254) point to /proc/self and > seekdir(255) point to /proc/thread-self.
Is there anyone relying on the old behaviour?
Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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