#include "log.h"
#include "strv.h"
#include "unit-name.h"
+#include "unit-printf.h"
#include "dbus-service.h"
#include "special.h"
#include "bus-errors.h"
static void service_init(Unit *u) {
Service *s = SERVICE(u);
- int i;
assert(u);
assert(u->load_state == UNIT_STUB);
- s->timeout_usec = DEFAULT_TIMEOUT_USEC;
+ s->timeout_start_usec = DEFAULT_TIMEOUT_USEC;
+ s->timeout_stop_usec = DEFAULT_TIMEOUT_USEC;
s->restart_usec = DEFAULT_RESTART_USEC;
s->type = _SERVICE_TYPE_INVALID;
s->guess_main_pid = true;
exec_context_init(&s->exec_context);
- for (i = 0; i < RLIMIT_NLIMITS; i++)
- if (UNIT(s)->manager->rlimit[i])
- s->exec_context.rlimit[i] = newdup(struct rlimit, UNIT(s)->manager->rlimit[i], 1);
+ kill_context_init(&s->kill_context);
RATELIMIT_INIT(s->start_limit, 10*USEC_PER_SEC, 5);
s->control_command = NULL;
s->main_command = NULL;
+ set_free(s->restart_ignore_status.code);
+ s->restart_ignore_status.code = NULL;
+ set_free(s->restart_ignore_status.signal);
+ s->restart_ignore_status.signal = NULL;
+
+ set_free(s->success_status.code);
+ s->success_status.code = NULL;
+ set_free(s->success_status.signal);
+ s->success_status.signal = NULL;
+
/* This will leak a process, but at least no memory or any of
* our resources */
service_unwatch_main_pid(s);
goto finish;
}
- zero(st);
if (fstat(fileno(f), &st) < 0) {
r = -errno;
goto finish;
UNIT(s)->default_dependencies = false;
/* Don't timeout special services during boot (like fsck) */
- s->timeout_usec = 0;
- } else
- s->timeout_usec = DEFAULT_SYSV_TIMEOUT_USEC;
+ s->timeout_start_usec = 0;
+ s->timeout_stop_usec = 0;
+ } else {
+ s->timeout_start_usec = DEFAULT_SYSV_TIMEOUT_USEC;
+ s->timeout_stop_usec = DEFAULT_SYSV_TIMEOUT_USEC;
+ }
/* Special setting for all SysV services */
s->type = SERVICE_FORKING;
s->guess_main_pid = false;
s->restart = SERVICE_RESTART_NO;
s->exec_context.ignore_sigpipe = false;
- s->exec_context.kill_mode = KILL_PROCESS;
+ s->kill_context.kill_mode = KILL_PROCESS;
/* We use the long description only if
* no short description is set. */
if (s->bus_name && s->type != SERVICE_DBUS)
log_warning("%s has a D-Bus service name specified, but is not of type dbus. Ignoring.", UNIT(s)->id);
- if (s->exec_context.pam_name && s->exec_context.kill_mode != KILL_CONTROL_GROUP) {
+ if (s->exec_context.pam_name && s->kill_context.kill_mode != KILL_CONTROL_GROUP) {
log_error("%s has PAM enabled. Kill mode must be set to 'control-group'. Refusing.", UNIT(s)->id);
return -EINVAL;
}
if (s->type == _SERVICE_TYPE_INVALID)
s->type = s->bus_name ? SERVICE_DBUS : SERVICE_SIMPLE;
- /* Oneshot services have disabled timeout by default */
- if (s->type == SERVICE_ONESHOT && !s->timeout_defined)
- s->timeout_usec = 0;
+ /* Oneshot services have disabled start timeout by default */
+ if (s->type == SERVICE_ONESHOT && !s->start_timeout_defined)
+ s->timeout_start_usec = 0;
service_fix_output(s);
if (UNIT(s)->default_dependencies)
if ((r = service_add_default_dependencies(s)) < 0)
return r;
+
+ r = unit_exec_context_defaults(u, &s->exec_context);
+ if (r < 0)
+ return r;
}
return service_verify(s);
prefix, s->bus_name,
prefix, yes_no(s->bus_name_good));
+ kill_context_dump(&s->kill_context, f, prefix);
exec_context_dump(&s->exec_context, f, prefix);
for (c = 0; c < _SERVICE_EXEC_COMMAND_MAX; c++) {
s->deserialized_state == SERVICE_FINAL_SIGTERM ||
s->deserialized_state == SERVICE_FINAL_SIGKILL ||
s->deserialized_state == SERVICE_AUTO_RESTART) {
-
- if (s->deserialized_state == SERVICE_AUTO_RESTART || s->timeout_usec > 0) {
+ if (s->deserialized_state == SERVICE_AUTO_RESTART || s->timeout_start_usec > 0) {
usec_t k;
- k = s->deserialized_state == SERVICE_AUTO_RESTART ? s->restart_usec : s->timeout_usec;
+ k = s->deserialized_state == SERVICE_AUTO_RESTART ? s->restart_usec : s->timeout_start_usec;
if ((r = unit_watch_timer(UNIT(s), k, &s->timer_watch)) < 0)
return r;
}
}
- if (timeout && s->timeout_usec) {
- if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0)
+ if (timeout && s->timeout_start_usec) {
+ r = unit_watch_timer(UNIT(s), s->timeout_start_usec, &s->timer_watch);
+ if (r < 0)
goto fail;
} else
unit_unwatch_timer(UNIT(s), &s->timer_watch);
(s->restart == SERVICE_RESTART_ON_SUCCESS && s->result == SERVICE_SUCCESS) ||
(s->restart == SERVICE_RESTART_ON_FAILURE && s->result != SERVICE_SUCCESS) ||
(s->restart == SERVICE_RESTART_ON_ABORT && (s->result == SERVICE_FAILURE_SIGNAL ||
- s->result == SERVICE_FAILURE_CORE_DUMP)))) {
+ s->result == SERVICE_FAILURE_CORE_DUMP))) &&
+ (s->result != SERVICE_FAILURE_EXIT_CODE ||
+ !set_contains(s->restart_ignore_status.code, INT_TO_PTR(s->main_exec_status.status))) &&
+ (s->result != SERVICE_FAILURE_SIGNAL ||
+ !set_contains(s->restart_ignore_status.signal, INT_TO_PTR(s->main_exec_status.status)))
+ ) {
r = unit_watch_timer(UNIT(s), s->restart_usec, &s->timer_watch);
if (r < 0)
if (f != SERVICE_SUCCESS)
s->result = f;
- if (s->exec_context.kill_mode != KILL_NONE) {
- int sig = (state == SERVICE_STOP_SIGTERM || state == SERVICE_FINAL_SIGTERM) ? s->exec_context.kill_signal : SIGKILL;
+ if (s->kill_context.kill_mode != KILL_NONE) {
+ int sig = (state == SERVICE_STOP_SIGTERM || state == SERVICE_FINAL_SIGTERM) ? s->kill_context.kill_signal : SIGKILL;
if (s->main_pid > 0) {
if (kill_and_sigcont(s->main_pid, sig) < 0 && errno != ESRCH)
wait_for_exit = true;
}
- if (s->exec_context.kill_mode == KILL_CONTROL_GROUP) {
+ if (s->kill_context.kill_mode == KILL_CONTROL_GROUP) {
- if (!(pid_set = set_new(trivial_hash_func, trivial_compare_func))) {
+ pid_set = set_new(trivial_hash_func, trivial_compare_func);
+ if (!pid_set) {
r = -ENOMEM;
goto fail;
}
}
if (wait_for_exit) {
- if (s->timeout_usec > 0)
- if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0)
+ if (s->timeout_stop_usec > 0) {
+ r = unit_watch_timer(UNIT(s), s->timeout_stop_usec, &s->timer_watch);
+ if (r < 0)
goto fail;
+ }
service_set_state(s, state);
} else if (state == SERVICE_STOP_SIGTERM || state == SERVICE_STOP_SIGKILL)
assert(s);
dbus_error_init(&error);
- if (UNIT(s)->job) {
- log_info("Job pending for unit, delaying automatic restart.");
+ if (UNIT(s)->job && UNIT(s)->job->type == JOB_STOP) {
+ /* Don't restart things if we are going down anyway */
+ log_info("Stop job pending for unit, delaying automatic restart.");
- if ((r = unit_watch_timer(UNIT(s), s->restart_usec, &s->timer_watch)) < 0)
+ r = unit_watch_timer(UNIT(s), s->restart_usec, &s->timer_watch);
+ if (r < 0)
goto fail;
return;
if (r < 0)
goto fail;
+ /* Note that we stay in the SERVICE_AUTO_RESTART state here,
+ * it will be canceled as part of the service_stop() call that
+ * is executed as part of JOB_RESTART. */
+
log_debug("%s scheduled restart job.", UNIT(s)->id);
return;
return 0;
/* A service that will be restarted must be stopped first to
- * trigger BindTo and/or OnFailure dependencies. If a user
+ * trigger BindsTo and/or OnFailure dependencies. If a user
* does not want to wait for the holdoff time to elapse, the
- * service should be manually restarted, not started. */
- if (s->state == SERVICE_AUTO_RESTART) {
- log_warning("%s automatic restart is pending, must be stopped before issuing start request.", UNIT(s)->id);
- return -ECANCELED;
- }
+ * service should be manually restarted, not started. We
+ * simply return EAGAIN here, so that any start jobs stay
+ * queued, and assume that the auto restart timer will
+ * eventually trigger the restart. */
+ if (s->state == SERVICE_AUTO_RESTART)
+ return -EAGAIN;
assert(s->state == SERVICE_DEAD || s->state == SERVICE_FAILED);
/* Make sure we don't enter a busy loop of some kind. */
r = service_start_limit_test(s);
if (r < 0) {
- service_notify_sockets_dead(s, true);
+ service_enter_dead(s, SERVICE_FAILURE_START_LIMIT, false);
return r;
}
assert(s);
assert(pid >= 0);
- if (UNIT(s)->fragment_path ? is_clean_exit(code, status) : is_clean_exit_lsb(code, status))
+ if (UNIT(s)->fragment_path ? is_clean_exit(code, status, &s->success_status) :
+ is_clean_exit_lsb(code, status, &s->success_status))
f = SERVICE_SUCCESS;
else if (code == CLD_EXITED)
f = SERVICE_FAILURE_EXIT_CODE;
else
service_enter_signal(s, SERVICE_FINAL_SIGTERM, f);
break;
- } else {
- assert(s->type == SERVICE_DBUS || s->type == SERVICE_NOTIFY);
-
- /* Fall through */
}
+ /* Fall through */
+
case SERVICE_RUNNING:
service_enter_running(s, f);
break;
break;
case SERVICE_START:
- assert(s->type == SERVICE_FORKING);
+ if (s->type != SERVICE_FORKING)
+ /* Maybe spurious event due to a reload that changed the type? */
+ break;
if (f != SERVICE_SUCCESS) {
service_enter_signal(s, SERVICE_FINAL_SIGTERM, f);
break;
case SERVICE_STOP_SIGTERM:
- if (s->exec_context.send_sigkill) {
+ if (s->kill_context.send_sigkill) {
log_warning("%s stopping timed out. Killing.", u->id);
service_enter_signal(s, SERVICE_STOP_SIGKILL, SERVICE_FAILURE_TIMEOUT);
} else {
break;
case SERVICE_FINAL_SIGTERM:
- if (s->exec_context.send_sigkill) {
+ if (s->kill_context.send_sigkill) {
log_warning("%s stopping timed out (2). Killing.", u->id);
service_enter_signal(s, SERVICE_FINAL_SIGKILL, SERVICE_FAILURE_TIMEOUT);
} else {
RATELIMIT_RESET(s->start_limit);
}
-static int service_kill(Unit *u, KillWho who, KillMode mode, int signo, DBusError *error) {
+static int service_kill(Unit *u, KillWho who, int signo, DBusError *error) {
Service *s = SERVICE(u);
int r = 0;
Set *pid_set = NULL;
if (kill(s->main_pid, signo) < 0)
r = -errno;
- if (who == KILL_ALL && mode == KILL_CONTROL_GROUP) {
+ if (who == KILL_ALL) {
int q;
- if (!(pid_set = set_new(trivial_hash_func, trivial_compare_func)))
+ pid_set = set_new(trivial_hash_func, trivial_compare_func);
+ if (!pid_set)
return -ENOMEM;
/* Exclude the control/main pid from being killed via the cgroup */
- if (s->control_pid > 0)
- if ((q = set_put(pid_set, LONG_TO_PTR(s->control_pid))) < 0) {
+ if (s->control_pid > 0) {
+ q = set_put(pid_set, LONG_TO_PTR(s->control_pid));
+ if (q < 0) {
r = q;
goto finish;
}
+ }
- if (s->main_pid > 0)
- if ((q = set_put(pid_set, LONG_TO_PTR(s->main_pid))) < 0) {
+ if (s->main_pid > 0) {
+ q = set_put(pid_set, LONG_TO_PTR(s->main_pid));
+ if (q < 0) {
r = q;
goto finish;
}
+ }
+
q = cgroup_bonding_kill_list(UNIT(s)->cgroup_bondings, signo, false, false, pid_set, NULL);
- if (q < 0)
- if (q != -EAGAIN && q != -ESRCH && q != -ENOENT)
- r = q;
+ if (q < 0 && q != -EAGAIN && q != -ESRCH && q != -ENOENT)
+ r = q;
}
finish:
[SERVICE_FAILURE_EXIT_CODE] = "exit-code",
[SERVICE_FAILURE_SIGNAL] = "signal",
[SERVICE_FAILURE_CORE_DUMP] = "core-dump",
- [SERVICE_FAILURE_WATCHDOG] = "watchdog"
+ [SERVICE_FAILURE_WATCHDOG] = "watchdog",
+ [SERVICE_FAILURE_START_LIMIT] = "start-limit"
};
DEFINE_STRING_TABLE_LOOKUP(service_result, ServiceResult);
~ianmdlvl / elogind.git / blobdiff