[vdr] [patch] avoid inheritance of file descriptors

Anssi Hannula anssi.hannula at gmail.com
Mon Dec 10 22:02:55 CET 2007


Deti Fliegl wrote:
> Klaus Schmidinger wrote:
>> Doesn't SystemExec() (see tools.c) take care of this?
> Yes you are right - it takes care internally but not for plugins like 
> dvdswitch etc. In order to fix this problem you could patch every single 
> plugin or just set the right file descriptor flag once. I think the 
> latter does not cause any interference and should solves some issues.

For the record, the latter creates a small race condition: an external
program could be launched before FD_CLOEXEC is set on an fd.

-- 
Anssi Hannula



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