diff options
| author | Luke Shumaker <lukeshu@sbcglobal.net> | 2016-12-17 00:42:49 -0500 |
|---|---|---|
| committer | Luke Shumaker <lukeshu@sbcglobal.net> | 2016-12-17 00:42:49 -0500 |
| commit | ccef261c077d31dce02aa92e519b23b3a2a58303 (patch) | |
| tree | 582fafc98c76e98e912f453fb55ca57f29273d57 /src/core/slice.c | |
| parent | 5d4922bba91c6d60b3b9f38fb29fda0f6ba8338d (diff) | |
| parent | 5fb2a20a29c2cc0494d5a31e175a8e3ff0b2d3e2 (diff) | |
Merge tag 'systemd/v232-4.parabola1' into systemd/parabola
Diffstat (limited to 'src/core/slice.c')
| -rw-r--r-- | src/core/slice.c | 52 |
1 files changed, 33 insertions, 19 deletions
diff --git a/src/core/slice.c b/src/core/slice.c index c7700b8857..ed5d3fd701 100644 --- a/src/core/slice.c +++ b/src/core/slice.c @@ -130,6 +130,28 @@ static int slice_verify(Slice *s) { return 0; } +static int slice_load_root_slice(Unit *u) { + assert(u); + + if (!unit_has_name(u, SPECIAL_ROOT_SLICE)) + return 0; + + u->perpetual = true; + + /* The root slice is a bit special. For example it is always running and cannot be terminated. Because of its + * special semantics we synthesize it here, instead of relying on the unit file on disk. */ + + u->default_dependencies = false; + u->ignore_on_isolate = true; + + if (!u->description) + u->description = strdup("Root Slice"); + if (!u->documentation) + u->documentation = strv_new("man:systemd.special(7)", NULL); + + return 1; +} + static int slice_load(Unit *u) { Slice *s = SLICE(u); int r; @@ -137,6 +159,9 @@ static int slice_load(Unit *u) { assert(s); assert(u->load_state == UNIT_STUB); + r = slice_load_root_slice(u); + if (r < 0) + return r; r = unit_load_fragment_and_dropin_optional(u); if (r < 0) return r; @@ -187,10 +212,15 @@ static void slice_dump(Unit *u, FILE *f, const char *prefix) { static int slice_start(Unit *u) { Slice *t = SLICE(u); + int r; assert(t); assert(t->state == SLICE_DEAD); + r = unit_acquire_invocation_id(u); + if (r < 0) + return r; + (void) unit_realize_cgroup(u); (void) unit_reset_cpu_usage(u); @@ -269,32 +299,16 @@ static void slice_enumerate(Manager *m) { u = manager_get_unit(m, SPECIAL_ROOT_SLICE); if (!u) { - u = unit_new(m, sizeof(Slice)); - if (!u) { - log_oom(); - return; - } - - r = unit_add_name(u, SPECIAL_ROOT_SLICE); + r = unit_new_for_name(m, sizeof(Slice), SPECIAL_ROOT_SLICE, &u); if (r < 0) { - unit_free(u); - log_error_errno(r, "Failed to add -.slice name"); + log_error_errno(r, "Failed to allocate the special " SPECIAL_ROOT_SLICE " unit: %m"); return; } } - u->default_dependencies = false; - u->no_gc = true; - u->ignore_on_isolate = true; - u->refuse_manual_start = true; - u->refuse_manual_stop = true; + u->perpetual = true; SLICE(u)->deserialized_state = SLICE_ACTIVE; - if (!u->description) - u->description = strdup("Root Slice"); - if (!u->documentation) - (void) strv_extend(&u->documentation, "man:systemd.special(7)"); - unit_add_to_load_queue(u); unit_add_to_dbus_queue(u); } |