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test-cgroup-mask: unit_get_sibling_mask ignores cgroup_supported

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The result of unit_get_sibling_mask returns bits for the sibling cgroups
even if they are not supported in the local system.

I caught this on a machine where my kernel was misconfigured with
CONFIG_MEMCG unset, but the rest of the cgroup infrastructure enabled.

Tested with `make check` on a host running a kernel where CONFIG_MEMCG
is not set.
This commit is contained in:
Filipe Brandenburger 2015-06-11 18:23:06 -07:00
parent ed810b68d3
commit 2bf25eeff8
Notes: Lennart Poettering 2015-06-18 00:07:44 +02:00 
Backport: bugfix
1 changed files with 5 additions and 5 deletions
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10
src/test/test-cgroup-mask.c
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@ -77,12 +77,12 @@ static int test_cgroup_mask(void) {
assert_se(unit_get_members_mask(root) == (CGROUP_CPU | CGROUP_CPUACCT | CGROUP_BLKIO | CGROUP_MEMORY));
/* Verify aggregation of sibling masks. */
assert_se(unit_get_siblings_mask(son) == ((CGROUP_CPU | CGROUP_CPUACCT | CGROUP_MEMORY) & m->cgroup_supported));
assert_se(unit_get_siblings_mask(daughter) == ((CGROUP_CPU | CGROUP_CPUACCT | CGROUP_MEMORY) & m->cgroup_supported));
assert_se(unit_get_siblings_mask(son) == (CGROUP_CPU | CGROUP_CPUACCT | CGROUP_MEMORY));
assert_se(unit_get_siblings_mask(daughter) == (CGROUP_CPU | CGROUP_CPUACCT | CGROUP_MEMORY));
assert_se(unit_get_siblings_mask(grandchild) == 0);
assert_se(unit_get_siblings_mask(parent_deep) == ((CGROUP_CPU | CGROUP_CPUACCT | CGROUP_MEMORY) & m->cgroup_supported));
assert_se(unit_get_siblings_mask(parent) == ((CGROUP_CPU | CGROUP_CPUACCT | CGROUP_BLKIO | CGROUP_MEMORY) & m->cgroup_supported));
assert_se(unit_get_siblings_mask(root) == ((CGROUP_CPU | CGROUP_CPUACCT | CGROUP_BLKIO | CGROUP_MEMORY) & m->cgroup_supported));
assert_se(unit_get_siblings_mask(parent_deep) == (CGROUP_CPU | CGROUP_CPUACCT | CGROUP_MEMORY));
assert_se(unit_get_siblings_mask(parent) == (CGROUP_CPU | CGROUP_CPUACCT | CGROUP_BLKIO | CGROUP_MEMORY));
assert_se(unit_get_siblings_mask(root) == (CGROUP_CPU | CGROUP_CPUACCT | CGROUP_BLKIO | CGROUP_MEMORY));
/* Verify aggregation of target masks. */
assert_se(unit_get_target_mask(son) == ((CGROUP_CPU | CGROUP_CPUACCT | CGROUP_MEMORY) & m->cgroup_supported));