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| author | Lennart Poettering <lennart@poettering.net> | 2016-11-29 21:07:05 +0100 |
|---|---|---|
| committer | Martin Pitt <martin.pitt@ubuntu.com> | 2016-12-14 10:13:52 +0100 |
| commit | 33e28180939bd1e71c3d8322b4e2c3fb338bc2fb (patch) | |
| tree | e89570e3514366b3bb907278b723846e64fb91f7 /src/core | |
| parent | 4549fcdb1d1431a52c51fa8963a24dbb9f6ecaab (diff) | |
core: make sure targets that get a default Conflicts=shutdown.target are also ordered against it
Let's tweak the automatic dependency generation of target units: not only add a
Conflicts= towards shutdown.target but also an After= line for it, so that we
can be sure the new target is not started when the old target is still up.
Discovered in the context of #4733
(Also, exclude dependency generation if for shutdown.target itself. — This is
strictly speaking redundant, as unit_add_two_dependencies_by_name() detects
that and becomes a NOP, but let's make this explicit for readability.)
Diffstat (limited to 'src/core')
| -rw-r--r-- | src/core/target.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/core/target.c b/src/core/target.c index 765c1f3fa4..ff0d764fb5 100644 --- a/src/core/target.c +++ b/src/core/target.c @@ -75,8 +75,11 @@ static int target_add_default_dependencies(Target *t) { return r; } + if (unit_has_name(UNIT(t), SPECIAL_SHUTDOWN_TARGET)) + return 0; + /* Make sure targets are unloaded on shutdown */ - return unit_add_dependency_by_name(UNIT(t), UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, NULL, true); + return unit_add_two_dependencies_by_name(UNIT(t), UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, NULL, true); } static int target_load(Unit *u) { |