#include <sys/timerfd.h>
#include <sys/epoll.h>
-#include "systemd/sd-id128.h"
-#include "systemd/sd-messages.h"
+#include "sd-id128.h"
+#include "sd-messages.h"
#include "set.h"
#include "unit.h"
#include "macro.h"
#include "special.h"
#include "async.h"
#include "virt.h"
-
-JobBusClient* job_bus_client_new(DBusConnection *connection, const char *name) {
- JobBusClient *cl;
- size_t name_len;
-
- name_len = strlen(name);
- cl = malloc0(sizeof(JobBusClient) + name_len + 1);
- if (!cl)
- return NULL;
-
- cl->bus = connection;
- memcpy(cl->name, name, name_len + 1);
- return cl;
-}
+#include "dbus-client-track.h"
Job* job_new_raw(Unit *unit) {
Job *j;
j->manager = unit->manager;
j->unit = unit;
j->type = _JOB_TYPE_INVALID;
- j->timer_watch.type = WATCH_INVALID;
return j;
}
}
void job_free(Job *j) {
- JobBusClient *cl;
-
assert(j);
assert(!j->installed);
assert(!j->transaction_prev);
assert(!j->object_list);
if (j->in_run_queue)
- LIST_REMOVE(Job, run_queue, j->manager->run_queue, j);
+ LIST_REMOVE(run_queue, j->manager->run_queue, j);
if (j->in_dbus_queue)
- LIST_REMOVE(Job, dbus_queue, j->manager->dbus_job_queue, j);
+ LIST_REMOVE(dbus_queue, j->manager->dbus_job_queue, j);
- if (j->timer_watch.type != WATCH_INVALID) {
- assert(j->timer_watch.type == WATCH_JOB_TIMER);
- assert(j->timer_watch.data.job == j);
- assert(j->timer_watch.fd >= 0);
+ sd_event_source_unref(j->timer_event_source);
- assert_se(epoll_ctl(j->manager->epoll_fd, EPOLL_CTL_DEL, j->timer_watch.fd, NULL) >= 0);
- close_nointr_nofail(j->timer_watch.fd);
- }
+ bus_client_track_free(j->subscribed);
- while ((cl = j->bus_client_list)) {
- LIST_REMOVE(JobBusClient, client, j->bus_client_list, cl);
- free(cl);
- }
free(j);
}
l->conflicts = conflicts;
if (subject)
- LIST_PREPEND(JobDependency, subject, subject->subject_list, l);
+ LIST_PREPEND(subject, subject->subject_list, l);
- LIST_PREPEND(JobDependency, object, object->object_list, l);
+ LIST_PREPEND(object, object->object_list, l);
return l;
}
assert(l);
if (l->subject)
- LIST_REMOVE(JobDependency, subject, l->subject->subject_list, l);
+ LIST_REMOVE(subject, l->subject->subject_list, l);
- LIST_REMOVE(JobDependency, object, l->object->object_list, l);
+ LIST_REMOVE(object, l->object->object_list, l);
free(l);
}
return 0;
}
-bool job_is_runnable(Job *j) {
+static bool job_is_runnable(Job *j) {
Iterator i;
Unit *other;
* job type) or before (in the case of a 'negative' job
* type. */
+ /* Note that unit types have a say in what is runnable,
+ * too. For example, if they return -EAGAIN from
+ * unit_start() they can indicate they are not
+ * runnable yet. */
+
/* First check if there is an override */
if (j->ignore_order)
return true;
assert(j->type < _JOB_TYPE_MAX_IN_TRANSACTION);
assert(j->in_run_queue);
- LIST_REMOVE(Job, run_queue, j->manager->run_queue, j);
+ LIST_REMOVE(run_queue, j->manager->run_queue, j);
j->in_run_queue = false;
if (j->state != JOB_WAITING)
return 0;
}
-int job_start_timer(Job *j) {
- struct itimerspec its = {};
- struct epoll_event ev = {
- .data.ptr = &j->timer_watch,
- .events = EPOLLIN,
- };
- int fd, r;
-
- if (j->unit->job_timeout <= 0 ||
- j->timer_watch.type == WATCH_JOB_TIMER)
- return 0;
+static int job_dispatch_timer(sd_event_source *s, uint64_t monotonic, void *userdata) {
+ Job *j = userdata;
- assert(j->timer_watch.type == WATCH_INVALID);
-
- if ((fd = timerfd_create(CLOCK_MONOTONIC, TFD_NONBLOCK|TFD_CLOEXEC)) < 0) {
- r = -errno;
- goto fail;
- }
+ assert(j);
+ assert(s == j->timer_event_source);
- timespec_store(&its.it_value, j->unit->job_timeout);
+ log_warning_unit(j->unit->id, "Job %s/%s timed out.",
+ j->unit->id, job_type_to_string(j->type));
- if (timerfd_settime(fd, 0, &its, NULL) < 0) {
- r = -errno;
- goto fail;
- }
+ job_finish_and_invalidate(j, JOB_TIMEOUT, true);
+ return 0;
+}
- if (epoll_ctl(j->manager->epoll_fd, EPOLL_CTL_ADD, fd, &ev) < 0) {
- r = -errno;
- goto fail;
- }
+int job_start_timer(Job *j) {
+ int r;
- j->timer_watch.type = WATCH_JOB_TIMER;
- j->timer_watch.fd = fd;
- j->timer_watch.data.job = j;
+ if (j->unit->job_timeout <= 0 || j->timer_event_source)
+ return 0;
- return 0;
+ j->begin_usec = now(CLOCK_MONOTONIC);
-fail:
- if (fd >= 0)
- close_nointr_nofail(fd);
+ r = sd_event_add_monotonic(j->manager->event, j->begin_usec + j->unit->job_timeout, 0, job_dispatch_timer, j, &j->timer_event_source);
+ if (r < 0)
+ return r;
- return r;
+ return 0;
}
void job_add_to_run_queue(Job *j) {
if (j->in_run_queue)
return;
- LIST_PREPEND(Job, run_queue, j->manager->run_queue, j);
+ if (!j->manager->run_queue)
+ sd_event_source_set_enabled(j->manager->run_queue_event_source, SD_EVENT_ONESHOT);
+
+ LIST_PREPEND(run_queue, j->manager->run_queue, j);
j->in_run_queue = true;
}
* job might just have been created and not yet assigned to a
* connection/client. */
- LIST_PREPEND(Job, dbus_queue, j->manager->dbus_job_queue, j);
+ LIST_PREPEND(dbus_queue, j->manager->dbus_job_queue, j);
j->in_dbus_queue = true;
}
return p;
}
-void job_timer_event(Job *j, uint64_t n_elapsed, Watch *w) {
- assert(j);
- assert(w == &j->timer_watch);
-
- log_warning_unit(j->unit->id, "Job %s/%s timed out.",
- j->unit->id, job_type_to_string(j->type));
- job_finish_and_invalidate(j, JOB_TIMEOUT, true);
-}
-
int job_serialize(Job *j, FILE *f, FDSet *fds) {
fprintf(f, "job-id=%u\n", j->id);
fprintf(f, "job-type=%s\n", job_type_to_string(j->type));
fprintf(f, "job-irreversible=%s\n", yes_no(j->irreversible));
fprintf(f, "job-sent-dbus-new-signal=%s\n", yes_no(j->sent_dbus_new_signal));
fprintf(f, "job-ignore-order=%s\n", yes_no(j->ignore_order));
- /* Cannot save bus clients. Just note the fact that we're losing
- * them. job_send_message() will fallback to broadcasting. */
- fprintf(f, "job-forgot-bus-clients=%s\n",
- yes_no(j->forgot_bus_clients || j->bus_client_list));
- if (j->timer_watch.type == WATCH_JOB_TIMER) {
- int copy = fdset_put_dup(fds, j->timer_watch.fd);
- if (copy < 0)
- return copy;
- fprintf(f, "job-timer-watch-fd=%d\n", copy);
- }
+
+ if (j->begin_usec > 0)
+ fprintf(f, "job-begin=%llu\n", (unsigned long long) j->begin_usec);
+
+ bus_client_track_serialize(j->manager, f, j->subscribed);
/* End marker */
fputc('\n', f);
}
int job_deserialize(Job *j, FILE *f, FDSet *fds) {
+ assert(j);
+
for (;;) {
char line[LINE_MAX], *l, *v;
size_t k;
v = l+k;
if (streq(l, "job-id")) {
+
if (safe_atou32(v, &j->id) < 0)
log_debug("Failed to parse job id value %s", v);
+
} else if (streq(l, "job-type")) {
- JobType t = job_type_from_string(v);
+ JobType t;
+
+ t = job_type_from_string(v);
if (t < 0)
log_debug("Failed to parse job type %s", v);
else if (t >= _JOB_TYPE_MAX_IN_TRANSACTION)
log_debug("Cannot deserialize job of type %s", v);
else
j->type = t;
+
} else if (streq(l, "job-state")) {
- JobState s = job_state_from_string(v);
+ JobState s;
+
+ s = job_state_from_string(v);
if (s < 0)
log_debug("Failed to parse job state %s", v);
else
j->state = s;
+
} else if (streq(l, "job-override")) {
- int b = parse_boolean(v);
+ int b;
+
+ b = parse_boolean(v);
if (b < 0)
log_debug("Failed to parse job override flag %s", v);
else
j->override = j->override || b;
+
} else if (streq(l, "job-irreversible")) {
- int b = parse_boolean(v);
+ int b;
+
+ b = parse_boolean(v);
if (b < 0)
log_debug("Failed to parse job irreversible flag %s", v);
else
j->irreversible = j->irreversible || b;
+
} else if (streq(l, "job-sent-dbus-new-signal")) {
- int b = parse_boolean(v);
+ int b;
+
+ b = parse_boolean(v);
if (b < 0)
log_debug("Failed to parse job sent_dbus_new_signal flag %s", v);
else
j->sent_dbus_new_signal = j->sent_dbus_new_signal || b;
+
} else if (streq(l, "job-ignore-order")) {
- int b = parse_boolean(v);
+ int b;
+
+ b = parse_boolean(v);
if (b < 0)
log_debug("Failed to parse job ignore_order flag %s", v);
else
j->ignore_order = j->ignore_order || b;
- } else if (streq(l, "job-forgot-bus-clients")) {
- int b = parse_boolean(v);
- if (b < 0)
- log_debug("Failed to parse job forgot_bus_clients flag %s", v);
+
+ } else if (streq(l, "job-begin")) {
+ unsigned long long ull;
+
+ if (sscanf(v, "%llu", &ull) != 1)
+ log_debug("Failed to parse job-begin value %s", v);
else
- j->forgot_bus_clients = j->forgot_bus_clients || b;
- } else if (streq(l, "job-timer-watch-fd")) {
- int fd;
- if (safe_atoi(v, &fd) < 0 || fd < 0 || !fdset_contains(fds, fd))
- log_debug("Failed to parse job-timer-watch-fd value %s", v);
- else {
- if (j->timer_watch.type == WATCH_JOB_TIMER)
- close_nointr_nofail(j->timer_watch.fd);
-
- j->timer_watch.type = WATCH_JOB_TIMER;
- j->timer_watch.fd = fdset_remove(fds, fd);
- j->timer_watch.data.job = j;
- }
+ j->begin_usec = ull;
+
+ } else {
+ char t[strlen(l) + 1 + strlen(v) + 1];
+
+ strcpy(stpcpy(stpcpy(t, l), "="), v);
+
+ if (bus_client_track_deserialize_item(j->manager, &j->subscribed, t) == 0)
+ log_debug("Unknown deserialization key '%s'", l);
}
}
}
int job_coldplug(Job *j) {
- struct epoll_event ev = {
- .data.ptr = &j->timer_watch,
- .events = EPOLLIN,
- };
+ int r;
+
+ assert(j);
- if (j->timer_watch.type != WATCH_JOB_TIMER)
+ if (j->begin_usec <= 0)
return 0;
- if (epoll_ctl(j->manager->epoll_fd, EPOLL_CTL_ADD, j->timer_watch.fd, &ev) < 0)
- return -errno;
+ if (j->timer_event_source)
+ j->timer_event_source = sd_event_source_unref(j->timer_event_source);
- return 0;
+ r = sd_event_add_monotonic(j->manager->event, j->begin_usec + j->unit->job_timeout, 0, job_dispatch_timer, j, &j->timer_event_source);
+ if (r < 0)
+ log_debug("Failed to restart timeout for job: %s", strerror(-r));
+
+ return r;
}
void job_shutdown_magic(Job *j) {
if (!unit_has_name(j->unit, SPECIAL_SHUTDOWN_TARGET))
return;
+ /* In case messages on console has been disabled on boot */
+ j->unit->manager->no_console_output = false;
+
if (detect_container(NULL) > 0)
return;
[JOB_REPLACE_IRREVERSIBLY] = "replace-irreversibly",
[JOB_ISOLATE] = "isolate",
[JOB_IGNORE_DEPENDENCIES] = "ignore-dependencies",
- [JOB_IGNORE_REQUIREMENTS] = "ignore-requirements"
+ [JOB_IGNORE_REQUIREMENTS] = "ignore-requirements",
+ [JOB_FLUSH] = "flush",
};
DEFINE_STRING_TABLE_LOOKUP(job_mode, JobMode);
~ianmdlvl / elogind.git / blobdiff