On Nov 29 09:28, Eliot Moss wrote: > On 11/29/2016 8:26 AM, Erik Bray wrote: > > I could do this, if each process kept a copy of its environment block > > in shared memory, which would in turn have to be updated every time > > the process's environment is updated. But I don't know what the > > impact of that would be performance-wise. > > Sorry, no advice getting around this, but a thought about why it may have > been hard -- it can be a security hole.
Using the mechanism outlined in my mail from 2 minutes ago, there's no security problem. Opening the signal pipe is only allowed to same user processes or administrative processes. Other will get a /proc/$PID/environ content of "<defunct>" Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Maintainer cygwin AT cygwin DOT com Red Hat
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