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author | Lennart Poettering <lennart@poettering.net> | 2018-10-24 17:25:11 +0200 |
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committer | Lennart Poettering <lennart@poettering.net> | 2018-10-26 18:43:34 +0200 |
commit | 0887fa711cc3ed63114ec53b4052a626f6929915 (patch) | |
tree | 7a60850e3fdea2433664c80e7dbdace10e9d3554 | |
parent | 0d76d772d19af67ecbebb2486a6af9ba70260b9b (diff) | |
download | systemd-0887fa711cc3ed63114ec53b4052a626f6929915.tar.gz |
cgroup-util: debug log if /proc/self/ns/cgroup is not available for unexpected reasons
-rw-r--r-- | src/basic/cgroup-util.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/src/basic/cgroup-util.c b/src/basic/cgroup-util.c index 19723d3084..65ca6f2f50 100644 --- a/src/basic/cgroup-util.c +++ b/src/basic/cgroup-util.c @@ -129,10 +129,12 @@ bool cg_ns_supported(void) { if (enabled >= 0) return enabled; - if (access("/proc/self/ns/cgroup", F_OK) == 0) - enabled = 1; - else - enabled = 0; + if (access("/proc/self/ns/cgroup", F_OK) < 0) { + if (errno != ENOENT) + log_debug_errno(errno, "Failed to check whether /proc/self/ns/cgroup is available, assuming not: %m"); + enabled = false; + } else + enabled = true; return enabled; } |