Re: [libvirt] PATCH: Allow specific FDs to be kept open in virExec()

On Thu, Aug 21, 2008 at 02:58:30PM +0100, Daniel P. Berrange wrote: > With my recent patches to virExec(), all FDs except stdin/out/err are closed > before the child is exec'd to prevent accidental leaks. Of course I forgot > the one key place where we need to propagate FDs... The TAP devices passed > to QEMU. > > This patch adds a 'keepfd' parameter to virExec() which allows the caller > to specify a bitset of file descriptors to keep open, and updates the > callers to use this as required. The QEMU driver specifies any TAP fds > and the LXC driver specifies its PTY this way removing a previous hack. > > QEMU networking works again with fix.... Changed to use fd_set from sys/select