On 02/08/2012 07:22 AM, Daniel P. Berrange wrote:
From: "Daniel P. Berrange" <berrange@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@redhat.com +1-919-301-3266 Libvirt virtualization library http://libvirt.org