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| author | Lennart Poettering <lennart@poettering.net> | 2017-02-24 17:52:58 +0100 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2017-02-24 17:52:58 +0100 |
| commit | b4cccbc13ad6f98bd8e816ce5fffb99f5be74c8c (patch) | |
| tree | 14313f0bd5cd2dad79fda852663d9038f81a35ad /src/core/manager.c | |
| parent | fc9ae7178e1462377b272a14b1a763d480ab0980 (diff) | |
cgroup: change cg_unified() to possibly return errors again
We use our cgroup APIs in various contexts, including from our libraries
sd-login, sd-bus. As we don#t control those environments we can't rely
that the unified cgroup setup logic succeeds, and hence really shouldn't
assert on it.
This more or less reverts 415fc41ceaeada2e32639f24f134b1c248b9e43f.
Diffstat (limited to 'src/core/manager.c')
| -rw-r--r-- | src/core/manager.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/core/manager.c b/src/core/manager.c index ea80585329..7a09ac1d6e 100644 --- a/src/core/manager.c +++ b/src/core/manager.c @@ -776,7 +776,10 @@ static int manager_setup_cgroups_agent(Manager *m) { if (!MANAGER_IS_SYSTEM(m)) return 0; - if (cg_unified(SYSTEMD_CGROUP_CONTROLLER)) /* We don't need this anymore on the unified hierarchy */ + r = cg_unified(SYSTEMD_CGROUP_CONTROLLER); + if (r < 0) + return log_error_errno(r, "Failed to determine whether unified cgroups hierarchy is used: %m"); + if (r > 0) /* We don't need this anymore on the unified hierarchy */ return 0; if (m->cgroups_agent_fd < 0) { |