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| author | Luke Shumaker <lukeshu@sbcglobal.net> | 2016-12-17 02:37:55 -0500 |
|---|---|---|
| committer | Luke Shumaker <lukeshu@sbcglobal.net> | 2016-12-17 02:37:55 -0500 |
| commit | 3f0ba0278cd61b2d3bb01abc744d98a6ba3d7730 (patch) | |
| tree | dc70188bf68d634496a429225130f777c155b990 /src/basic/cgroup-util.c | |
| parent | 54ebaa42b40d22bd0288507420b7a7241896c357 (diff) | |
| parent | 58a6dd15582c038a25bd7059435833943e2e4617 (diff) | |
Merge commit '58a6dd15582c038a25bd7059435833943e2e4617' into notsystemd/premove
# Conflicts:
# Makefile.am
# src/boot/bootctl.c
# system-preset/90-systemd.preset
Diffstat (limited to 'src/basic/cgroup-util.c')
| -rw-r--r-- | src/basic/cgroup-util.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/basic/cgroup-util.c b/src/basic/cgroup-util.c index 472e24b7a3..302b958d0d 100644 --- a/src/basic/cgroup-util.c +++ b/src/basic/cgroup-util.c @@ -134,6 +134,20 @@ int cg_read_event(const char *controller, const char *path, const char *event, return -ENOENT; } +bool cg_ns_supported(void) { + static thread_local int enabled = -1; + + if (enabled >= 0) + return enabled; + + if (access("/proc/self/ns/cgroup", F_OK) == 0) + enabled = 1; + else + enabled = 0; + + return enabled; +} + int cg_enumerate_subgroups(const char *controller, const char *path, DIR **_d) { _cleanup_free_ char *fs = NULL; int r; |