along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
-#include <assert.h>
#include <errno.h>
#include <string.h>
-#include <sys/epoll.h>
-#include <sys/timerfd.h>
-#include <sys/poll.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/stat.h>
#include "cgroup-util.h"
#include "missing.h"
#include "mkdir.h"
-#include "label.h"
#include "fileio-label.h"
#include "bus-common-errors.h"
#include "dbus.h"
#include "execute.h"
-#include "virt.h"
#include "dropin.h"
const UnitVTable * const unit_vtable[_UNIT_TYPE_MAX] = {
}
bool unit_check_gc(Unit *u) {
+ UnitActiveState state;
assert(u);
- if (UNIT_VTABLE(u)->no_gc)
+ if (u->job)
return true;
- if (u->no_gc)
+ if (u->nop_job)
return true;
- if (u->job)
+ state = unit_active_state(u);
+
+ /* If the unit is inactive and failed and no job is queued for
+ * it, then release its runtime resources */
+ if (UNIT_IS_INACTIVE_OR_FAILED(state) &&
+ UNIT_VTABLE(u)->release_resources)
+ UNIT_VTABLE(u)->release_resources(u);
+
+ /* But we keep the unit object around for longer when it is
+ * referenced or configured to not be gc'ed */
+ if (state != UNIT_INACTIVE)
return true;
- if (u->nop_job)
+ if (UNIT_VTABLE(u)->no_gc)
return true;
- if (unit_active_state(u) != UNIT_INACTIVE)
+ if (u->no_gc)
return true;
if (u->refs)
free(u->cgroup_path);
}
- set_remove(u->manager->failed_units, u);
+ manager_update_failed_units(u->manager, u, false);
set_remove(u->manager->startup_units, u);
free(u->description);
/*
* If u does not have this dependency set allocated, there is no need
- * to reserve anything. In that case other's set will be transfered
+ * to reserve anything. In that case other's set will be transferred
* as a whole to u by complete_move().
*/
if (!u->dependencies[d])
assert(u->type >= 0);
prefix = strempty(prefix);
- prefix2 = strappenda(prefix, "\t");
+ prefix2 = strjoina(prefix, "\t");
fprintf(f,
"%s-> Unit %s:\n"
DISABLE_WARNING_FORMAT_NONLITERAL;
snprintf(buf, sizeof(buf), format, unit_description(u));
- char_array_0(buf);
REENABLE_WARNING;
mid = t == JOB_START ? SD_MESSAGE_UNIT_STARTING :
int unit_start(Unit *u) {
UnitActiveState state;
Unit *following;
+ int r;
assert(u);
return unit_start(following);
}
- unit_status_log_starting_stopping_reloading(u, JOB_START);
- unit_status_print_starting_stopping(u, JOB_START);
-
if (UNIT_VTABLE(u)->supported && !UNIT_VTABLE(u)->supported(u->manager))
return -ENOTSUP;
unit_add_to_dbus_queue(u);
- return UNIT_VTABLE(u)->start(u);
+ r = UNIT_VTABLE(u)->start(u);
+ if (r <= 0)
+ return r;
+
+ /* Log if the start function actually did something */
+ unit_status_log_starting_stopping_reloading(u, JOB_START);
+ unit_status_print_starting_stopping(u, JOB_START);
+ return r;
}
bool unit_can_start(Unit *u) {
int unit_stop(Unit *u) {
UnitActiveState state;
Unit *following;
+ int r;
assert(u);
return unit_stop(following);
}
- unit_status_log_starting_stopping_reloading(u, JOB_STOP);
- unit_status_print_starting_stopping(u, JOB_STOP);
-
if (!UNIT_VTABLE(u)->stop)
return -EBADR;
unit_add_to_dbus_queue(u);
- return UNIT_VTABLE(u)->stop(u);
+ r = UNIT_VTABLE(u)->stop(u);
+ if (r <= 0)
+ return r;
+
+ unit_status_log_starting_stopping_reloading(u, JOB_STOP);
+ unit_status_print_starting_stopping(u, JOB_STOP);
+ return r;
}
/* Errors:
int unit_reload(Unit *u) {
UnitActiveState state;
Unit *following;
+ int r;
assert(u);
return unit_reload(following);
}
- unit_status_log_starting_stopping_reloading(u, JOB_RELOAD);
-
unit_add_to_dbus_queue(u);
- return UNIT_VTABLE(u)->reload(u);
+
+ r = UNIT_VTABLE(u)->reload(u);
+ if (r <= 0)
+ return r;
+
+ unit_status_log_starting_stopping_reloading(u, JOB_RELOAD);
+ return r;
}
bool unit_can_reload(Unit *u) {
continue;
stop = true;
+ break;
}
if (!stop)
return;
- log_unit_info(u->id, "Unit %s is bound to inactive service. Stopping, too.", u->id);
+ assert(other);
+ log_unit_info(u->id, "Unit %s is bound to inactive unit %s. Stopping, too.", u->id, other->id);
/* A unit we need to run is gone. Sniff. Let's stop this. */
manager_add_job(u->manager, JOB_STOP, u, JOB_FAIL, true, NULL, NULL);
}
/* Keep track of failed units */
- if (ns == UNIT_FAILED)
- set_put(u->manager->failed_units, u);
- else
- set_remove(u->manager->failed_units, u);
+ manager_update_failed_units(u->manager, u, ns == UNIT_FAILED);
/* Make sure the cgroup is always removed when we become inactive */
if (UNIT_IS_INACTIVE_OR_FAILED(ns))
if (streq(l, "job")) {
if (v[0] == '\0') {
/* new-style serialized job */
- Job *j = job_new_raw(u);
+ Job *j;
+
+ j = job_new_raw(u);
if (!j)
return -ENOMEM;
job_free(j);
return r;
}
-
- if (j->state == JOB_RUNNING)
- u->manager->n_running_jobs++;
} else {
/* legacy */
- JobType type = job_type_from_string(v);
+ JobType type;
+
+ type = job_type_from_string(v);
if (type < 0)
log_debug("Failed to parse job type value %s", v);
else
return -ENOMEM;
r = manager_load_unit(u->manager, e, NULL, NULL, &device);
-
if (r < 0)
return r;
- r = unit_add_two_dependencies(u, UNIT_AFTER, UNIT_BINDS_TO, device, true);
+ r = unit_add_two_dependencies(u, UNIT_AFTER, u->manager->running_as == SYSTEMD_SYSTEM ? UNIT_BINDS_TO : UNIT_WANTS, device, true);
if (r < 0)
return r;
r = get_home_dir(&ec->working_directory);
if (r < 0)
return r;
+
+ /* Allow user services to run, even if the
+ * home directory is missing */
+ ec->working_directory_missing_ok = true;
}
if (u->manager->running_as == SYSTEMD_USER &&
~ianmdlvl / elogind.git / blobdiff