[libvirt] [PATCH] Populate /dev/std{in, out, err} symlinks in LXC containers
Eric Blake
eblake at redhat.com
Wed Feb 8 15:01:53 UTC 2012
On 02/08/2012 07:22 AM, Daniel P. Berrange wrote:
> From: "Daniel P. Berrange" <berrange at redhat.com>
>
> Some applications expect /dev/std{in,out,err} to exist. Populate
> them during container startup as symlinks to /proc/self/fd
> ---
> src/lxc/lxc_container.c | 17 +++++++++++++++++
> 1 files changed, 17 insertions(+), 0 deletions(-)
>
> diff --git a/src/lxc/lxc_container.c b/src/lxc/lxc_container.c
> index 04af39b..cb51bbc 100644
> --- a/src/lxc/lxc_container.c
> +++ b/src/lxc/lxc_container.c
> @@ -584,6 +584,14 @@ static int lxcContainerPopulateDevices(char **ttyPaths, size_t nttyPaths)
> { LXC_DEV_MAJ_MEMORY, LXC_DEV_MIN_RANDOM, 0666, "/dev/random" },
> { LXC_DEV_MAJ_MEMORY, LXC_DEV_MIN_URANDOM, 0666, "/dev/urandom" },
> };
> + const struct {
> + const char *src;
> + const char *dst;
> + } links[] = {
> + { "/proc/self/fd/0", "/dev/stdin" },
> + { "/proc/self/fd/1", "/dev/stdout" },
> + { "/proc/self/fd/2", "/dev/stderr" },
> + };
I think you also need a row for:
{ "/proc/self/fd", "/dev/fd" },
ACK with that addition.
--
Eric Blake eblake at redhat.com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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