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core: warn on ExitType=cgroup with legacy cgroup setup

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'cgroup empty' notifications are not reliable on v1, so log a warning.

See: https://github.com/systemd/systemd/issues/22320
This commit is contained in:
Luca Boccassi 2022-02-01 15:31:52 +00:00 committed by Yu Watanabe
parent 6a8ab6dd1e
commit 86838bf08b
1 changed files with 3 additions and 0 deletions
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src/core/service.c
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@ -624,6 +624,9 @@ static int service_verify(Service *s) {
if (s->runtime_max_usec == USEC_INFINITY && s->runtime_rand_extra_usec != 0)
log_unit_warning(UNIT(s), "Service has RuntimeRandomizedExtraSec= setting, but no RuntimeMaxSec=. Ignoring.");
if (s->exit_type == SERVICE_EXIT_CGROUP && cg_unified() < CGROUP_UNIFIED_SYSTEMD)
log_unit_warning(UNIT(s), "Service has ExitType=cgroup set, but we are running with legacy cgroups v1, which might not work correctly. Continuing.");
return 0;
}