#include <signal.h>
#include <dirent.h>
#include <unistd.h>
-#include <sys/reboot.h>
-#include <linux/reboot.h>
-#include <sys/syscall.h>
#include "async.h"
#include "manager.h"
if (UNIT(s)->load_state != UNIT_LOADED)
return 0;
- if (!s->exec_command[SERVICE_EXEC_START]) {
- log_error_unit(UNIT(s)->id, "%s lacks ExecStart setting. Refusing.", UNIT(s)->id);
+ if (!s->exec_command[SERVICE_EXEC_START] && !s->exec_command[SERVICE_EXEC_STOP]) {
+ log_error_unit(UNIT(s)->id, "%s lacks both ExecStart= and ExecStop= setting. Refusing.", UNIT(s)->id);
return -EINVAL;
}
- if (s->type != SERVICE_ONESHOT &&
- s->exec_command[SERVICE_EXEC_START]->command_next) {
- log_error_unit(UNIT(s)->id, "%s has more than one ExecStart setting, which is only allowed for Type=oneshot services. Refusing.", UNIT(s)->id);
+ if (s->type != SERVICE_ONESHOT && !s->exec_command[SERVICE_EXEC_START]) {
+ log_error_unit(UNIT(s)->id, "%s has no ExecStart= setting, which is only allowed for Type=oneshot services. Refusing.", UNIT(s)->id);
+ return -EINVAL;
+ }
+
+ if (!s->remain_after_exit && !s->exec_command[SERVICE_EXEC_START]) {
+ log_error_unit(UNIT(s)->id, "%s has no ExecStart= setting, which is only allowed for RemainAfterExit=yes services. Refusing.", UNIT(s)->id);
+ return -EINVAL;
+ }
+
+ if (s->type != SERVICE_ONESHOT && s->exec_command[SERVICE_EXEC_START]->command_next) {
+ log_error_unit(UNIT(s)->id, "%s has more than one ExecStart= setting, which is only allowed for Type=oneshot services. Refusing.", UNIT(s)->id);
return -EINVAL;
}
if (r < 0)
return r;
- if (s->type == _SERVICE_TYPE_INVALID)
- s->type = s->bus_name ? SERVICE_DBUS : SERVICE_SIMPLE;
+ if (s->type == _SERVICE_TYPE_INVALID) {
+ /* Figure out a type automatically */
+ if (s->bus_name)
+ s->type = SERVICE_DBUS;
+ else if (s->exec_command[SERVICE_EXEC_START])
+ s->type = SERVICE_SIMPLE;
+ else
+ s->type = SERVICE_ONESHOT;
+ }
/* Oneshot services have disabled start timeout by default */
if (s->type == SERVICE_ONESHOT && !s->start_timeout_defined)
return !r;
}
-static int service_execute_action(Service *s, FailureAction action, const char *reason, bool log_action_none);
-
static void service_enter_dead(Service *s, ServiceResult f, bool allow_restart) {
int r;
assert(s);
service_set_state(s, s->result != SERVICE_SUCCESS ? SERVICE_FAILED : SERVICE_DEAD);
- if (s->result != SERVICE_SUCCESS)
- service_execute_action(s, s->failure_action, "failed", false);
+ if (s->result != SERVICE_SUCCESS) {
+ log_warning_unit(UNIT(s)->id, "%s failed.", UNIT(s)->id);
+ failure_action(UNIT(s)->manager, s->failure_action, s->reboot_arg);
+ }
if (allow_restart &&
!s->forbid_restart &&
assert(s);
- assert(s->exec_command[SERVICE_EXEC_START]);
- assert(!s->exec_command[SERVICE_EXEC_START]->command_next || s->type == SERVICE_ONESHOT);
-
service_unwatch_control_pid(s);
service_unwatch_main_pid(s);
c = s->main_command = s->exec_command[SERVICE_EXEC_START];
}
+ if (!c) {
+ assert(s->type == SERVICE_ONESHOT);
+ service_enter_start_post(s);
+ return;
+ }
+
r = service_spawn(s,
c,
IN_SET(s->type, SERVICE_FORKING, SERVICE_DBUS, SERVICE_NOTIFY, SERVICE_ONESHOT) ? s->timeout_start_usec : 0,
service_enter_stop(s, SERVICE_FAILURE_RESOURCES);
}
-static int service_execute_action(Service *s, FailureAction action, const char *reason, bool log_action_none) {
- assert(s);
-
- if (action == SERVICE_FAILURE_ACTION_REBOOT ||
- action == SERVICE_FAILURE_ACTION_REBOOT_FORCE)
- update_reboot_param_file(s->reboot_arg);
-
- switch (action) {
-
- case SERVICE_FAILURE_ACTION_NONE:
- if (log_action_none)
- log_warning_unit(UNIT(s)->id, "%s %s, refusing to start.", UNIT(s)->id, reason);
- break;
-
- case SERVICE_FAILURE_ACTION_REBOOT: {
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
- int r;
-
- log_warning_unit(UNIT(s)->id, "%s %s, rebooting.", UNIT(s)->id, reason);
-
- r = manager_add_job_by_name(UNIT(s)->manager, JOB_START, SPECIAL_REBOOT_TARGET, JOB_REPLACE, true, &error, NULL);
- if (r < 0)
- log_error_unit(UNIT(s)->id, "Failed to reboot: %s.", bus_error_message(&error, r));
-
- break;
- }
-
- case SERVICE_FAILURE_ACTION_REBOOT_FORCE:
- log_warning_unit(UNIT(s)->id, "%s %s, forcibly rebooting.", UNIT(s)->id, reason);
- UNIT(s)->manager->exit_code = MANAGER_REBOOT;
- break;
-
- case SERVICE_FAILURE_ACTION_REBOOT_IMMEDIATE:
- log_warning_unit(UNIT(s)->id, "%s %s, rebooting immediately.", UNIT(s)->id, reason);
-
- sync();
-
- if (s->reboot_arg) {
- log_info("Rebooting with argument '%s'.", s->reboot_arg);
- syscall(SYS_reboot, LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2, LINUX_REBOOT_CMD_RESTART2, s->reboot_arg);
- }
-
- log_info("Rebooting.");
- reboot(RB_AUTOBOOT);
- break;
-
- default:
- log_error_unit(UNIT(s)->id, "failure action=%i", action);
- assert_not_reached("Unknown FailureAction.");
- }
-
- return -ECANCELED;
-}
-
static int service_start_limit_test(Service *s) {
assert(s);
if (ratelimit_test(&s->start_limit))
return 0;
- return service_execute_action(s, s->start_limit_action, "start request repeated too quickly", true);
+ log_warning_unit(UNIT(s)->id, "start request repeated too quickly for %s", UNIT(s)->id);
+
+ return failure_action(UNIT(s)->manager, s->start_limit_action, s->reboot_arg);
}
static int service_start(Unit *u) {
DEFINE_STRING_TABLE_LOOKUP(service_result, ServiceResult);
-static const char* const failure_action_table[_SERVICE_FAILURE_ACTION_MAX] = {
- [SERVICE_FAILURE_ACTION_NONE] = "none",
- [SERVICE_FAILURE_ACTION_REBOOT] = "reboot",
- [SERVICE_FAILURE_ACTION_REBOOT_FORCE] = "reboot-force",
- [SERVICE_FAILURE_ACTION_REBOOT_IMMEDIATE] = "reboot-immediate"
-};
-DEFINE_STRING_TABLE_LOOKUP(failure_action, FailureAction);
-
const UnitVTable service_vtable = {
.object_size = sizeof(Service),
.exec_context_offset = offsetof(Service, exec_context),
~ianmdlvl / elogind.git / blobdiff