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| author |   Daniel Lezcano <daniel.lezcano@free.fr> | 2012-01-05 22:45:31 +0100 |
|---|---|---|
| committer | Daniel Lezcano <daniel.lezcano@free.fr> | 2012-01-05 22:45:31 +0100 |
| commit | f0e64b8b66e0634cf0eb79728223bc3fdb407523 (patch) | |
| tree | 79e918b2b2264c9e8b217ff03d074343ca217f4c | |
| parent | fix indentation of the previous patch (diff) | |
| download | lxc-f0e64b8b66e0634cf0eb79728223bc3fdb407523.tar.gz lxc-f0e64b8b66e0634cf0eb79728223bc3fdb407523.tar.bz2 lxc-f0e64b8b66e0634cf0eb79728223bc3fdb407523.zip | |
give explicit error when the cgroup are not found
When the cgroup is not mounted, we silently exit without giving
some clues to the user with what is happening.
Give some info and an explicit error.
Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>
| -rw-r--r-- | src/lxc/cgroup.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/lxc/cgroup.c b/src/lxc/cgroup.c index a2b823e..6ae67bd 100644 --- a/src/lxc/cgroup.c +++ b/src/lxc/cgroup.c @@ -240,6 +240,7 @@ int lxc_cgroup_create(const char *name, pid_t pid) struct mntent *mntent; FILE *file = NULL; int err = -1; + int found = 0; file = setmntent(MTAB, "r"); if (!file) { @@ -253,13 +254,18 @@ int lxc_cgroup_create(const char *name, pid_t pid) if (!strcmp(mntent->mnt_type, "cgroup")) { - INFO("found cgroup mounted at '%s'", mntent->mnt_dir); + INFO("[%d] found cgroup mounted at '%s',opts='%s'", + ++found, mntent->mnt_dir, mntent->mnt_opts); + err = lxc_one_cgroup_create(name, mntent, pid); if (err) goto out; } }; + if (!found) + ERROR("No cgroup mounted on the system"); + out: endmntent(file); return err; |