#include "unit-printf.h"
#include "dbus-service.h"
#include "special.h"
-#include "bus-errors.h"
#include "exit-status.h"
#include "def.h"
#include "path-util.h"
#include "util.h"
#include "utf8.h"
+#include "env-util.h"
+#include "fileio.h"
+#include "bus-error.h"
+#include "bus-util.h"
#ifdef HAVE_SYSV_COMPAT
[SERVICE_AUTO_RESTART] = UNIT_ACTIVATING
};
+static int service_dispatch_io(sd_event_source *source, int fd, uint32_t events, void *userdata);
+static int service_dispatch_timer(sd_event_source *source, usec_t usec, void *userdata);
+static int service_dispatch_watchdog(sd_event_source *source, usec_t usec, void *userdata);
+
static void service_init(Unit *u) {
Service *s = SERVICE(u);
assert(u);
assert(u->load_state == UNIT_STUB);
- s->timeout_start_usec = DEFAULT_TIMEOUT_USEC;
- s->timeout_stop_usec = DEFAULT_TIMEOUT_USEC;
- s->restart_usec = DEFAULT_RESTART_USEC;
+ s->timeout_start_usec = u->manager->default_timeout_start_usec;
+ s->timeout_stop_usec = u->manager->default_timeout_stop_usec;
+ s->restart_usec = u->manager->default_restart_usec;
s->type = _SERVICE_TYPE_INVALID;
- watch_init(&s->watchdog_watch);
- watch_init(&s->timer_watch);
-
#ifdef HAVE_SYSV_COMPAT
s->sysv_start_priority = -1;
s->sysv_start_priority_from_rcnd = -1;
exec_context_init(&s->exec_context);
kill_context_init(&s->kill_context);
+ cgroup_context_init(&s->cgroup_context);
- RATELIMIT_INIT(s->start_limit, 10*USEC_PER_SEC, 5);
+ RATELIMIT_INIT(s->start_limit,
+ u->manager->default_start_limit_interval,
+ u->manager->default_start_limit_burst);
s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID;
}
log_debug_unit(UNIT(s)->id, "Stopping watch for %s's PID file %s",
UNIT(s)->id, s->pid_file_pathspec->path);
- path_spec_unwatch(s->pid_file_pathspec, UNIT(s));
+ path_spec_unwatch(s->pid_file_pathspec);
path_spec_done(s->pid_file_pathspec);
free(s->pid_file_pathspec);
s->pid_file_pathspec = NULL;
if (pid == getpid())
return -EINVAL;
+ if (s->main_pid == pid && s->main_pid_known)
+ return 0;
+
+ if (s->main_pid != pid) {
+ service_unwatch_main_pid(s);
+ exec_status_start(&s->main_exec_status, pid);
+ }
+
s->main_pid = pid;
s->main_pid_known = true;
} else
s->main_pid_alien = false;
- exec_status_start(&s->main_exec_status, pid);
-
return 0;
}
static void service_connection_unref(Service *s) {
assert(s);
- if (!UNIT_DEREF(s->accept_socket))
+ if (!UNIT_ISSET(s->accept_socket))
return;
socket_connection_unref(SOCKET(UNIT_DEREF(s->accept_socket)));
static void service_stop_watchdog(Service *s) {
assert(s);
- unit_unwatch_timer(UNIT(s), &s->watchdog_watch);
- s->watchdog_timestamp.realtime = 0;
- s->watchdog_timestamp.monotonic = 0;
+ s->watchdog_event_source = sd_event_source_unref(s->watchdog_event_source);
+ s->watchdog_timestamp = (struct dual_timestamp) { 0, 0 };
}
-static void service_enter_dead(Service *s, ServiceResult f, bool allow_restart);
+static void service_enter_signal(Service *s, ServiceState state, ServiceResult f);
static void service_handle_watchdog(Service *s) {
- usec_t offset;
+ usec_t nw;
int r;
assert(s);
if (s->watchdog_usec == 0)
return;
- offset = now(CLOCK_MONOTONIC) - s->watchdog_timestamp.monotonic;
- if (offset >= s->watchdog_usec) {
+ nw = now(CLOCK_MONOTONIC);
+ if (nw >= s->watchdog_timestamp.monotonic + s->watchdog_usec) {
log_error_unit(UNIT(s)->id, "%s watchdog timeout!", UNIT(s)->id);
- service_enter_dead(s, SERVICE_FAILURE_WATCHDOG, true);
+ service_enter_signal(s, SERVICE_STOP_SIGKILL, SERVICE_FAILURE_WATCHDOG);
return;
}
- r = unit_watch_timer(UNIT(s), CLOCK_MONOTONIC, true, s->watchdog_usec - offset, &s->watchdog_watch);
+ if (s->watchdog_event_source) {
+ r = sd_event_source_set_time(s->watchdog_event_source, s->watchdog_timestamp.monotonic + s->watchdog_usec);
+ if (r < 0) {
+ log_warning_unit(UNIT(s)->id, "%s failed to reset watchdog timer: %s", UNIT(s)->id, strerror(-r));
+ return;
+ }
+
+ r = sd_event_source_set_enabled(s->watchdog_event_source, SD_EVENT_ON);
+ } else
+ r = sd_event_add_monotonic(UNIT(s)->manager->event, s->watchdog_timestamp.monotonic + s->watchdog_usec, 0, service_dispatch_watchdog, s, &s->watchdog_event_source);
+
if (r < 0)
log_warning_unit(UNIT(s)->id,
"%s failed to install watchdog timer: %s",
free(s->status_text);
s->status_text = NULL;
- exec_context_done(&s->exec_context);
+ cgroup_context_done(&s->cgroup_context);
+ exec_context_done(&s->exec_context, manager_is_reloading_or_reexecuting(u->manager));
exec_command_free_array(s->exec_command, _SERVICE_EXEC_COMMAND_MAX);
s->control_command = NULL;
s->main_command = NULL;
service_stop_watchdog(s);
- unit_unwatch_timer(u, &s->timer_watch);
+ s->timer_event_source = sd_event_source_unref(s->timer_event_source);
+}
+
+static int service_arm_timer(Service *s, usec_t usec) {
+ int r;
+
+ assert(s);
+
+ if (usec <= 0) {
+ s->timer_event_source = sd_event_source_unref(s->timer_event_source);
+ return 0;
+ }
+
+ if (s->timer_event_source) {
+ r = sd_event_source_set_time(s->timer_event_source, now(CLOCK_MONOTONIC) + usec);
+ if (r < 0)
+ return r;
+
+ return sd_event_source_set_enabled(s->timer_event_source, SD_EVENT_ONESHOT);
+ }
+
+ return sd_event_add_monotonic(UNIT(s)->manager->event, now(CLOCK_MONOTONIC) + usec, 0, service_dispatch_timer, s, &s->timer_event_source);
}
#ifdef HAVE_SYSV_COMPAT
static char *sysv_translate_name(const char *name) {
char *r;
- if (!(r = new(char, strlen(name) + sizeof(".service"))))
+ r = new(char, strlen(name) + sizeof(".service"));
+ if (!r)
return NULL;
if (endswith(name, ".sh"))
/* Drop .sh suffix */
strcpy(stpcpy(r, name) - 3, ".service");
- if (startswith(name, "rc."))
- /* Drop rc. prefix */
- strcpy(stpcpy(r, name + 3), ".service");
else
/* Normal init script name */
strcpy(stpcpy(r, name), ".service");
static const char * const table[] = {
/* LSB defined facilities */
- "local_fs", SPECIAL_LOCAL_FS_TARGET,
- /* Due to unfortunate name selection in Mandriva,
- * $network is provided by network-up which is ordered
- * after network which actually starts interfaces.
- * To break the loop, just ignore it */
+ "local_fs", NULL,
"network", SPECIAL_NETWORK_TARGET,
"named", SPECIAL_NSS_LOOKUP_TARGET,
"portmap", SPECIAL_RPCBIND_TARGET,
"remote_fs", SPECIAL_REMOTE_FS_TARGET,
- "syslog", SPECIAL_SYSLOG_TARGET,
+ "syslog", NULL,
"time", SPECIAL_TIME_SYNC_TARGET,
};
if (!table[i+1])
return 0;
- if (!(r = strdup(table[i+1])))
- return -ENOMEM;
+ r = strdup(table[i+1]);
+ if (!r)
+ return log_oom();
goto finish;
}
continue;
if (unit_name_to_type(m) == UNIT_SERVICE)
- r = unit_add_name(u, m);
+ r = unit_merge_by_name(u, m);
else
/* NB: SysV targets
* which are provided
assert(s);
assert(name);
- /* For SysV services we strip the rc.* and *.sh
- * prefixes/suffixes. */
- if (startswith(name, "rc.") ||
- endswith(name, ".sh.service"))
+ /* For SysV services we strip the *.sh suffixes. */
+ if (endswith(name, ".sh.service"))
return -ENOENT;
STRV_FOREACH(p, UNIT(s)->manager->lookup_paths.sysvinit_path) {
}
free(path);
- if (r >= 0 && UNIT(s)->load_state == UNIT_STUB) {
- /* Try rc.* init scripts */
-
- path = strjoin(*p, "/rc.", name, NULL);
- if (!path)
- return -ENOMEM;
-
- /* Drop .service suffix */
- path[strlen(path)-8] = 0;
- r = service_load_sysv_path(s, path);
- free(path);
- }
-
if (r < 0)
return r;
}
#endif
-static int fsck_fix_order(Service *s) {
- Unit *other;
- int r;
-
- assert(s);
-
- if (s->fsck_passno <= 0)
- return 0;
-
- /* For each pair of services where both have an fsck priority
- * we order things based on it. */
-
- LIST_FOREACH(units_by_type, other, UNIT(s)->manager->units_by_type[UNIT_SERVICE]) {
- Service *t;
- UnitDependency d;
-
- t = SERVICE(other);
-
- if (s == t)
- continue;
-
- if (UNIT(t)->load_state != UNIT_LOADED)
- continue;
-
- if (t->fsck_passno <= 0)
- continue;
-
- if (t->fsck_passno < s->fsck_passno)
- d = UNIT_AFTER;
- else if (t->fsck_passno > s->fsck_passno)
- d = UNIT_BEFORE;
- else
- continue;
-
- if ((r = unit_add_dependency(UNIT(s), d, UNIT(t), true)) < 0)
- return r;
- }
-
- return 0;
-}
-
static int service_verify(Service *s) {
assert(s);
return -EINVAL;
}
+ if (s->type == SERVICE_ONESHOT && s->restart != SERVICE_RESTART_NO) {
+ log_error_unit(UNIT(s)->id,
+ "%s has Restart setting other than no, which isn't allowed for Type=oneshot services. Refusing.", UNIT(s)->id);
+ return -EINVAL;
+ }
+
if (s->type == SERVICE_DBUS && !s->bus_name) {
log_error_unit(UNIT(s)->id,
"%s is of type D-Bus but no D-Bus service name has been specified. Refusing.", UNIT(s)->id);
/* First, pull in base system */
if (UNIT(s)->manager->running_as == SYSTEMD_SYSTEM) {
-
- if ((r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_AFTER, UNIT_REQUIRES, SPECIAL_BASIC_TARGET, NULL, true)) < 0)
+ r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_AFTER, UNIT_REQUIRES,
+ SPECIAL_BASIC_TARGET, NULL, true);
+ if (r < 0)
return r;
} else if (UNIT(s)->manager->running_as == SYSTEMD_USER) {
+ r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_AFTER, UNIT_REQUIRES,
+ SPECIAL_SOCKETS_TARGET, NULL, true);
+ if (r < 0)
+ return r;
+
+ r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_AFTER, UNIT_REQUIRES,
+ SPECIAL_TIMERS_TARGET, NULL, true);
+ if (r < 0)
+ return r;
- if ((r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_AFTER, UNIT_REQUIRES, SPECIAL_SOCKETS_TARGET, NULL, true)) < 0)
+ r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_AFTER, UNIT_REQUIRES,
+ SPECIAL_PATHS_TARGET, NULL, true);
+ if (r < 0)
return r;
}
/* Second, activate normal shutdown */
- return unit_add_two_dependencies_by_name(UNIT(s), UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, NULL, true);
+ r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_BEFORE, UNIT_CONFLICTS,
+ SPECIAL_SHUTDOWN_TARGET, NULL, true);
+ return r;
}
static void service_fix_output(Service *s) {
assert(s);
/* Load a .service file */
- if ((r = unit_load_fragment(u)) < 0)
+ r = unit_load_fragment(u);
+ if (r < 0)
return r;
#ifdef HAVE_SYSV_COMPAT
/* Load a classic init script as a fallback, if we couldn't find anything */
- if (u->load_state == UNIT_STUB)
- if ((r = service_load_sysv(s)) < 0)
+ if (u->load_state == UNIT_STUB) {
+ r = service_load_sysv(s);
+ if (r < 0)
return r;
+ }
#endif
/* Still nothing found? Then let's give up */
if (u->load_state == UNIT_STUB)
return -ENOENT;
- /* We were able to load something, then let's add in the
- * dropin directories. */
- if ((r = unit_load_dropin(unit_follow_merge(u))) < 0)
- return r;
-
/* This is a new unit? Then let's add in some extras */
if (u->load_state == UNIT_LOADED) {
+
+ /* We were able to load something, then let's add in
+ * the dropin directories. */
+ r = unit_load_dropin(u);
+ if (r < 0)
+ return r;
+
if (s->type == _SERVICE_TYPE_INVALID)
s->type = s->bus_name ? SERVICE_DBUS : SERVICE_SIMPLE;
service_fix_output(s);
- if ((r = unit_add_exec_dependencies(u, &s->exec_context)) < 0)
+ r = unit_add_exec_dependencies(u, &s->exec_context);
+ if (r < 0)
return r;
- if ((r = unit_add_default_cgroups(u)) < 0)
+ r = unit_add_default_slice(u);
+ if (r < 0)
return r;
#ifdef HAVE_SYSV_COMPAT
- if ((r = sysv_fix_order(s)) < 0)
+ r = sysv_fix_order(s);
+ if (r < 0)
return r;
#endif
- if ((r = fsck_fix_order(s)) < 0)
- return r;
-
- if (s->bus_name)
- if ((r = unit_watch_bus_name(u, s->bus_name)) < 0)
+ if (s->bus_name) {
+ r = unit_watch_bus_name(u, s->bus_name);
+ if (r < 0)
return r;
+ }
if (s->type == SERVICE_NOTIFY && s->notify_access == NOTIFY_NONE)
s->notify_access = NOTIFY_MAIN;
if (s->watchdog_usec > 0 && s->notify_access == NOTIFY_NONE)
s->notify_access = NOTIFY_MAIN;
- if (s->type == SERVICE_DBUS || s->bus_name)
- if ((r = unit_add_two_dependencies_by_name(u, UNIT_AFTER, UNIT_REQUIRES, SPECIAL_DBUS_SOCKET, NULL, true)) < 0)
+ if (s->type == SERVICE_DBUS || s->bus_name) {
+ r = unit_add_two_dependencies_by_name(u, UNIT_AFTER, UNIT_REQUIRES,
+ SPECIAL_DBUS_SOCKET, NULL, true);
+ if (r < 0)
return r;
+ }
- if (UNIT(s)->default_dependencies)
- if ((r = service_add_default_dependencies(s)) < 0)
+ if (UNIT(s)->default_dependencies) {
+ r = service_add_default_dependencies(s);
+ if (r < 0)
return r;
+ }
r = unit_exec_context_defaults(u, &s->exec_context);
if (r < 0)
ServiceExecCommand c;
Service *s = SERVICE(u);
const char *prefix2;
- char *p2;
+ _cleanup_free_ char *p2 = NULL;
assert(s);
prefix, s->sysv_runlevels);
#endif
- if (s->fsck_passno > 0)
- fprintf(f,
- "%sFsckPassNo: %i\n",
- prefix, s->fsck_passno);
-
if (s->status_text)
fprintf(f, "%sStatus Text: %s\n",
prefix, s->status_text);
-
- free(p2);
}
static int service_load_pid_file(Service *s, bool may_warn) {
- char *k;
+ _cleanup_free_ char *k = NULL;
int r;
pid_t pid;
if (!s->pid_file)
return -ENOENT;
- if ((r = read_one_line_file(s->pid_file, &k)) < 0) {
+ r = read_one_line_file(s->pid_file, &k);
+ if (r < 0) {
if (may_warn)
log_info_unit(UNIT(s)->id,
"PID file %s not readable (yet?) after %s.",
}
r = parse_pid(k, &pid);
- free(k);
-
- if (r < 0)
+ if (r < 0) {
+ if (may_warn)
+ log_info_unit(UNIT(s)->id,
+ "Failed to read PID from file %s: %s",
+ s->pid_file, strerror(-r));
return r;
+ }
if (kill(pid, 0) < 0 && errno != EPERM) {
if (may_warn)
log_debug_unit(UNIT(s)->id,
"Main PID loaded: %lu", (unsigned long) pid);
- if ((r = service_set_main_pid(s, pid)) < 0)
+ r = service_set_main_pid(s, pid);
+ if (r < 0)
return r;
- if ((r = unit_watch_pid(UNIT(s), pid)) < 0)
+ r = unit_watch_pid(UNIT(s), pid);
+ if (r < 0) {
/* FIXME: we need to do something here */
+ log_warning_unit(UNIT(s)->id,
+ "Failed to watch PID %lu from service %s",
+ (unsigned long) pid, UNIT(s)->id);
return r;
+ }
return 0;
}
assert(s->main_pid <= 0);
- if ((pid = cgroup_bonding_search_main_pid_list(UNIT(s)->cgroup_bondings)) <= 0)
+ pid = unit_search_main_pid(UNIT(s));
+ if (pid <= 0)
return -ENOENT;
log_debug_unit(UNIT(s)->id,
"Main PID guessed: %lu", (unsigned long) pid);
- if ((r = service_set_main_pid(s, pid)) < 0)
+ r = service_set_main_pid(s, pid);
+ if (r < 0)
return r;
- if ((r = unit_watch_pid(UNIT(s), pid)) < 0)
+ r = unit_watch_pid(UNIT(s), pid);
+ if (r < 0)
/* FIXME: we need to do something here */
+ log_warning_unit(UNIT(s)->id,
+ "Failed to watch PID %lu from service %s",
+ (unsigned long) pid, UNIT(s)->id);
return r;
return 0;
}
-static void service_notify_sockets_dead(Service *s, bool failed_permanent) {
- Iterator i;
- Unit *u;
-
- assert(s);
-
- /* Notifies all our sockets when we die */
-
- if (s->socket_fd >= 0)
- return;
-
- SET_FOREACH(u, UNIT(s)->dependencies[UNIT_TRIGGERED_BY], i)
- if (u->type == UNIT_SOCKET)
- socket_notify_service_dead(SOCKET(u), failed_permanent);
-
- return;
-}
-
static void service_set_state(Service *s, ServiceState state) {
ServiceState old_state;
const UnitActiveState *table;
state != SERVICE_FINAL_SIGTERM &&
state != SERVICE_FINAL_SIGKILL &&
state != SERVICE_AUTO_RESTART)
- unit_unwatch_timer(UNIT(s), &s->timer_watch);
+ s->timer_event_source = sd_event_source_unref(s->timer_event_source);
if (state != SERVICE_START &&
state != SERVICE_START_POST &&
s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID;
}
- if (state == SERVICE_DEAD ||
- state == SERVICE_STOP ||
- state == SERVICE_STOP_SIGTERM ||
- state == SERVICE_STOP_SIGKILL ||
- state == SERVICE_STOP_POST ||
- state == SERVICE_FINAL_SIGTERM ||
- state == SERVICE_FINAL_SIGKILL ||
- state == SERVICE_FAILED ||
- state == SERVICE_AUTO_RESTART)
- service_notify_sockets_dead(s, false);
-
if (state != SERVICE_START_PRE &&
state != SERVICE_START &&
state != SERVICE_START_POST &&
service_connection_unref(s);
}
- if (state == SERVICE_STOP)
+ if (state == SERVICE_STOP || state == SERVICE_STOP_SIGTERM)
service_stop_watchdog(s);
/* For the inactive states unit_notify() will trim the cgroup,
* but for exit we have to do that ourselves... */
if (state == SERVICE_EXITED && UNIT(s)->manager->n_reloading <= 0)
- cgroup_bonding_trim_list(UNIT(s)->cgroup_bondings, true);
+ unit_destroy_cgroup(UNIT(s));
+
+ /* For remain_after_exit services, let's see if we can "release" the
+ * hold on the console, since unit_notify() only does that in case of
+ * change of state */
+ if (state == SERVICE_EXITED && s->remain_after_exit &&
+ UNIT(s)->manager->n_on_console > 0) {
+ ExecContext *ec = unit_get_exec_context(UNIT(s));
+ if (ec && exec_context_may_touch_console(ec)) {
+ Manager *m = UNIT(s)->manager;
+
+ m->n_on_console --;
+ if (m->n_on_console == 0)
+ /* unset no_console_output flag, since the console is free */
+ m->no_console_output = false;
+ }
+ }
if (old_state != state)
log_debug_unit(UNIT(s)->id,
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_start_usec > 0) {
- usec_t k;
- k = s->deserialized_state == SERVICE_AUTO_RESTART ? s->restart_usec : s->timeout_start_usec;
+ if (s->deserialized_state == SERVICE_AUTO_RESTART || s->timeout_start_usec > 0) {
- r = unit_watch_timer(UNIT(s), CLOCK_MONOTONIC, true, k, &s->timer_watch);
+ r = service_arm_timer(s,
+ s->deserialized_state == SERVICE_AUTO_RESTART ? s->restart_usec :
+ s->deserialized_state == SERVICE_START_PRE || s->deserialized_state == SERVICE_START ||
+ s->deserialized_state == SERVICE_START_POST || s->deserialized_state == SERVICE_RELOAD ? s->timeout_start_usec :
+ s->timeout_stop_usec);
if (r < 0)
return r;
}
s->deserialized_state == SERVICE_STOP ||
s->deserialized_state == SERVICE_STOP_SIGTERM ||
s->deserialized_state == SERVICE_STOP_SIGKILL)
- if (s->main_pid > 0)
- if ((r = unit_watch_pid(UNIT(s), s->main_pid)) < 0)
+ if (s->main_pid > 0) {
+ r = unit_watch_pid(UNIT(s), s->main_pid);
+ if (r < 0)
return r;
+ }
if (s->deserialized_state == SERVICE_START_PRE ||
s->deserialized_state == SERVICE_START ||
s->deserialized_state == SERVICE_STOP_POST ||
s->deserialized_state == SERVICE_FINAL_SIGTERM ||
s->deserialized_state == SERVICE_FINAL_SIGKILL)
- if (s->control_pid > 0)
- if ((r = unit_watch_pid(UNIT(s), s->control_pid)) < 0)
+ if (s->control_pid > 0) {
+ r = unit_watch_pid(UNIT(s), s->control_pid);
+ if (r < 0)
return r;
+ }
if (s->deserialized_state == SERVICE_START_POST ||
s->deserialized_state == SERVICE_RUNNING)
sock = SOCKET(u);
- if ((r = socket_collect_fds(sock, &cfds, &cn_fds)) < 0)
+ r = socket_collect_fds(sock, &cfds, &cn_fds);
+ if (r < 0)
goto fail;
if (!cfds)
} else {
int *t;
- if (!(t = new(int, rn_fds+cn_fds))) {
+ t = new(int, rn_fds+cn_fds);
+ if (!t) {
free(cfds);
r = -ENOMEM;
goto fail;
pid_t pid;
int r;
- int *fds = NULL, *fdsbuf = NULL;
+ int *fds = NULL;
+ _cleanup_free_ int *fdsbuf = NULL;
unsigned n_fds = 0, n_env = 0;
- char **argv = NULL, **final_env = NULL, **our_env = NULL;
+ _cleanup_strv_free_ char
+ **argv = NULL, **final_env = NULL, **our_env = NULL;
+ const char *path;
assert(s);
assert(c);
assert(_pid);
+ unit_realize_cgroup(UNIT(s));
+
if (pass_fds ||
s->exec_context.std_input == EXEC_INPUT_SOCKET ||
s->exec_context.std_output == EXEC_OUTPUT_SOCKET ||
fds = &s->socket_fd;
n_fds = 1;
} else {
- if ((r = service_collect_fds(s, &fdsbuf, &n_fds)) < 0)
+ r = service_collect_fds(s, &fdsbuf, &n_fds);
+ if (r < 0)
goto fail;
fds = fdsbuf;
}
}
- if (timeout && s->timeout_start_usec) {
- r = unit_watch_timer(UNIT(s), CLOCK_MONOTONIC, true, s->timeout_start_usec, &s->timer_watch);
- if (r < 0)
- goto fail;
- } else
- unit_unwatch_timer(UNIT(s), &s->timer_watch);
+ r = service_arm_timer(s, timeout ? s->timeout_start_usec : 0);
+ if (r < 0)
+ goto fail;
- if (!(argv = unit_full_printf_strv(UNIT(s), c->argv))) {
- r = -ENOMEM;
+ r = unit_full_printf_strv(UNIT(s), c->argv, &argv);
+ if (r < 0)
goto fail;
- }
our_env = new0(char*, 5);
if (!our_env) {
goto fail;
}
- if (s->meta.manager->running_as != SYSTEMD_SYSTEM)
+ if (UNIT(s)->manager->running_as != SYSTEMD_SYSTEM)
if (asprintf(our_env + n_env++, "MANAGERPID=%lu", (unsigned long) getpid()) < 0) {
r = -ENOMEM;
goto fail;
goto fail;
}
+ if (is_control && UNIT(s)->cgroup_path) {
+ path = strappenda(UNIT(s)->cgroup_path, "/control");
+ cg_create(SYSTEMD_CGROUP_CONTROLLER, path);
+ } else
+ path = UNIT(s)->cgroup_path;
+
r = exec_spawn(c,
argv,
&s->exec_context,
apply_chroot,
apply_tty_stdin,
UNIT(s)->manager->confirm_spawn,
- UNIT(s)->cgroup_bondings,
- UNIT(s)->cgroup_attributes,
- is_control ? "control" : NULL,
+ UNIT(s)->manager->cgroup_supported,
+ path,
UNIT(s)->id,
s->type == SERVICE_IDLE ? UNIT(s)->manager->idle_pipe : NULL,
&pid);
-
if (r < 0)
goto fail;
- if ((r = unit_watch_pid(UNIT(s), pid)) < 0)
+ r = unit_watch_pid(UNIT(s), pid);
+ if (r < 0)
/* FIXME: we need to do something here */
goto fail;
- free(fdsbuf);
- strv_free(argv);
- strv_free(our_env);
- strv_free(final_env);
-
*_pid = pid;
return 0;
fail:
- free(fdsbuf);
- strv_free(argv);
- strv_free(our_env);
- strv_free(final_env);
-
if (timeout)
- unit_unwatch_timer(UNIT(s), &s->timer_watch);
+ s->timer_event_source = sd_event_source_unref(s->timer_event_source);
return r;
}
/* If it's an alien child let's check if it is still
* alive ... */
- if (s->main_pid_alien)
+ if (s->main_pid_alien && s->main_pid > 0)
return kill(s->main_pid, 0) >= 0 || errno != ESRCH;
/* .. otherwise assume we'll get a SIGCHLD for it,
return -EAGAIN;
}
-static int control_pid_good(Service *s) {
+_pure_ static int control_pid_good(Service *s) {
assert(s);
return s->control_pid > 0;
assert(s);
- if ((r = cgroup_bonding_is_empty_list(UNIT(s)->cgroup_bondings)) < 0)
+ if (!UNIT(s)->cgroup_path)
+ return 0;
+
+ r = cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, UNIT(s)->cgroup_path, true);
+ if (r < 0)
return r;
return !r;
(s->restart == SERVICE_RESTART_ALWAYS ||
(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_WATCHDOG && s->result == SERVICE_FAILURE_WATCHDOG) ||
(s->restart == SERVICE_RESTART_ON_ABORT && (s->result == SERVICE_FAILURE_SIGNAL ||
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)))
- ) {
+ !set_contains(s->restart_ignore_status.signal, INT_TO_PTR(s->main_exec_status.status)))) {
- r = unit_watch_timer(UNIT(s), CLOCK_MONOTONIC, true, s->restart_usec, &s->timer_watch);
+ r = service_arm_timer(s, s->restart_usec);
if (r < 0)
goto fail;
s->forbid_restart = false;
+ /* we want fresh tmpdirs in case service is started again immediately */
+ exec_context_tmp_dirs_done(&s->exec_context);
+
+ /* Try to delete the pid file. At this point it will be
+ * out-of-date, and some software might be confused by it, so
+ * let's remove it. */
+ if (s->pid_file)
+ unlink_noerrno(s->pid_file);
+
return;
fail:
service_enter_dead(s, SERVICE_FAILURE_RESOURCES, false);
}
-static void service_enter_signal(Service *s, ServiceState state, ServiceResult f);
-
static void service_enter_stop_post(Service *s, ServiceResult f) {
int r;
assert(s);
service_unwatch_control_pid(s);
- if ((s->control_command = s->exec_command[SERVICE_EXEC_STOP_POST])) {
+ s->control_command = s->exec_command[SERVICE_EXEC_STOP_POST];
+ if (s->control_command) {
s->control_command_id = SERVICE_EXEC_STOP_POST;
r = service_spawn(s,
service_set_state(s, SERVICE_STOP_POST);
} else
- service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_SUCCESS);
+ service_enter_dead(s, SERVICE_SUCCESS, true);
return;
static void service_enter_signal(Service *s, ServiceState state, ServiceResult f) {
int r;
- Set *pid_set = NULL;
- bool wait_for_exit = false;
assert(s);
if (f != SERVICE_SUCCESS)
s->result = f;
- 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)
- log_warning_unit(UNIT(s)->id,
- "Failed to kill main process %li: %m", (long) s->main_pid);
- else
- wait_for_exit = !s->main_pid_alien;
- }
-
- if (s->control_pid > 0) {
- if (kill_and_sigcont(s->control_pid, sig) < 0 && errno != ESRCH)
- log_warning_unit(UNIT(s)->id,
- "Failed to kill control process %li: %m", (long) s->control_pid);
- else
- wait_for_exit = true;
- }
-
- if (s->kill_context.kill_mode == KILL_CONTROL_GROUP) {
-
- pid_set = set_new(trivial_hash_func, trivial_compare_func);
- if (!pid_set) {
- r = -ENOMEM;
- goto fail;
- }
-
- /* Exclude the main/control pids from being killed via the cgroup */
- if (s->main_pid > 0)
- if ((r = set_put(pid_set, LONG_TO_PTR(s->main_pid))) < 0)
- goto fail;
-
- if (s->control_pid > 0)
- if ((r = set_put(pid_set, LONG_TO_PTR(s->control_pid))) < 0)
- goto fail;
-
- r = cgroup_bonding_kill_list(UNIT(s)->cgroup_bondings, sig, true, false, pid_set, NULL);
- if (r < 0) {
- if (r != -EAGAIN && r != -ESRCH && r != -ENOENT)
- log_warning_unit(UNIT(s)->id,
- "Failed to kill control group: %s", strerror(-r));
- } else if (r > 0)
- wait_for_exit = true;
-
- set_free(pid_set);
- pid_set = NULL;
- }
- }
+ r = unit_kill_context(
+ UNIT(s),
+ &s->kill_context,
+ state != SERVICE_STOP_SIGTERM && state != SERVICE_FINAL_SIGTERM,
+ s->main_pid,
+ s->control_pid,
+ s->main_pid_alien);
+ if (r < 0)
+ goto fail;
- if (wait_for_exit) {
+ if (r > 0) {
if (s->timeout_stop_usec > 0) {
- r = unit_watch_timer(UNIT(s), CLOCK_MONOTONIC, true, s->timeout_stop_usec, &s->timer_watch);
+ r = service_arm_timer(s, s->timeout_stop_usec);
if (r < 0)
goto fail;
}
service_enter_stop_post(s, SERVICE_FAILURE_RESOURCES);
else
service_enter_dead(s, SERVICE_FAILURE_RESOURCES, true);
-
- if (pid_set)
- set_free(pid_set);
}
static void service_enter_stop(Service *s, ServiceResult f) {
service_unwatch_control_pid(s);
- if ((s->control_command = s->exec_command[SERVICE_EXEC_STOP])) {
+ s->control_command = s->exec_command[SERVICE_EXEC_STOP];
+ if (s->control_command) {
s->control_command_id = SERVICE_EXEC_STOP;
r = service_spawn(s,
if (s->watchdog_usec > 0)
service_reset_watchdog(s);
- if ((s->control_command = s->exec_command[SERVICE_EXEC_START_POST])) {
+ s->control_command = s->exec_command[SERVICE_EXEC_START_POST];
+ if (s->control_command) {
s->control_command_id = SERVICE_EXEC_START_POST;
r = service_spawn(s,
service_enter_stop(s, SERVICE_FAILURE_RESOURCES);
}
+static void service_kill_control_processes(Service *s) {
+ char *p;
+
+ if (!UNIT(s)->cgroup_path)
+ return;
+
+ p = strappenda(UNIT(s)->cgroup_path, "/control");
+ cg_kill_recursive(SYSTEMD_CGROUP_CONTROLLER, p, SIGKILL, true, true, true, NULL);
+}
+
static void service_enter_start(Service *s) {
+ ExecCommand *c;
pid_t pid;
int r;
- ExecCommand *c;
assert(s);
assert(s->exec_command[SERVICE_EXEC_START]);
assert(!s->exec_command[SERVICE_EXEC_START]->command_next || s->type == SERVICE_ONESHOT);
- if (s->type == SERVICE_FORKING)
- service_unwatch_control_pid(s);
- else
- service_unwatch_main_pid(s);
+ service_unwatch_control_pid(s);
+ service_unwatch_main_pid(s);
/* We want to ensure that nobody leaks processes from
* START_PRE here, so let's go on a killing spree, People
* should not spawn long running processes from START_PRE. */
- cgroup_bonding_kill_list(UNIT(s)->cgroup_bondings, SIGKILL, true, true, NULL, "control");
+ service_kill_control_processes(s);
if (s->type == SERVICE_FORKING) {
s->control_command_id = SERVICE_EXEC_START;
r = service_spawn(s,
c,
- s->type == SERVICE_FORKING || s->type == SERVICE_DBUS || s->type == SERVICE_NOTIFY || s->type == SERVICE_ONESHOT,
+ s->type == SERVICE_FORKING || s->type == SERVICE_DBUS ||
+ s->type == SERVICE_NOTIFY || s->type == SERVICE_ONESHOT,
true,
true,
true,
service_unwatch_control_pid(s);
- if ((s->control_command = s->exec_command[SERVICE_EXEC_START_PRE])) {
-
+ s->control_command = s->exec_command[SERVICE_EXEC_START_PRE];
+ if (s->control_command) {
/* Before we start anything, let's clear up what might
* be left from previous runs. */
- cgroup_bonding_kill_list(UNIT(s)->cgroup_bondings, SIGKILL, true, true, NULL, "control");
+ service_kill_control_processes(s);
s->control_command_id = SERVICE_EXEC_START_PRE;
}
static void service_enter_restart(Service *s) {
+ _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
int r;
- DBusError error;
assert(s);
- dbus_error_init(&error);
if (UNIT(s)->job && UNIT(s)->job->type == JOB_STOP) {
/* Don't restart things if we are going down anyway */
log_info_unit(UNIT(s)->id,
"Stop job pending for unit, delaying automatic restart.");
- r = unit_watch_timer(UNIT(s), CLOCK_MONOTONIC, true, s->restart_usec, &s->timer_watch);
+ r = service_arm_timer(s, s->restart_usec);
if (r < 0)
goto fail;
fail:
log_warning_unit(UNIT(s)->id,
"%s failed to schedule restart job: %s",
- UNIT(s)->id, bus_error(&error, -r));
+ UNIT(s)->id, bus_error_message(&error, -r));
service_enter_dead(s, SERVICE_FAILURE_RESOURCES, false);
-
- dbus_error_free(&error);
}
static void service_enter_reload(Service *s) {
service_unwatch_control_pid(s);
- if ((s->control_command = s->exec_command[SERVICE_EXEC_RELOAD])) {
+ s->control_command = s->exec_command[SERVICE_EXEC_RELOAD];
+ if (s->control_command) {
s->control_command_id = SERVICE_EXEC_RELOAD;
r = service_spawn(s,
break;
case SERVICE_START_LIMIT_REBOOT: {
- DBusError error;
+ _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
int r;
- dbus_error_init(&error);
-
log_warning_unit(UNIT(s)->id,
"%s start request repeated too quickly, rebooting.", UNIT(s)->id);
- r = manager_add_job_by_name(UNIT(s)->manager, JOB_START, SPECIAL_REBOOT_TARGET, JOB_REPLACE, true, &error, NULL);
- if (r < 0) {
+ 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(&error, r));
- dbus_error_free(&error);
- }
+ "Failed to reboot: %s.", bus_error_message(&error, r));
break;
}
return 0;
}
-static bool service_can_reload(Unit *u) {
+_pure_ static bool service_can_reload(Unit *u) {
Service *s = SERVICE(u);
assert(s);
unit_serialize_item(u, f, "reload-result", service_result_to_string(s->reload_result));
if (s->control_pid > 0)
- unit_serialize_item_format(u, f, "control-pid", "%lu", (unsigned long) s->control_pid);
+ unit_serialize_item_format(u, f, "control-pid", "%lu",
+ (unsigned long) s->control_pid);
if (s->main_pid_known && s->main_pid > 0)
unit_serialize_item_format(u, f, "main-pid", "%lu", (unsigned long) s->main_pid);
* multiple commands attached here, we will start from the
* first one again */
if (s->control_command_id >= 0)
- unit_serialize_item(u, f, "control-command", service_exec_command_to_string(s->control_command_id));
+ unit_serialize_item(u, f, "control-command",
+ service_exec_command_to_string(s->control_command_id));
if (s->socket_fd >= 0) {
int copy;
}
if (s->main_exec_status.pid > 0) {
- unit_serialize_item_format(u, f, "main-exec-status-pid", "%lu", (unsigned long) s->main_exec_status.pid);
- dual_timestamp_serialize(f, "main-exec-status-start", &s->main_exec_status.start_timestamp);
- dual_timestamp_serialize(f, "main-exec-status-exit", &s->main_exec_status.exit_timestamp);
+ unit_serialize_item_format(u, f, "main-exec-status-pid", "%lu",
+ (unsigned long) s->main_exec_status.pid);
+ dual_timestamp_serialize(f, "main-exec-status-start",
+ &s->main_exec_status.start_timestamp);
+ dual_timestamp_serialize(f, "main-exec-status-exit",
+ &s->main_exec_status.exit_timestamp);
if (dual_timestamp_is_set(&s->main_exec_status.exit_timestamp)) {
- unit_serialize_item_format(u, f, "main-exec-status-code", "%i", s->main_exec_status.code);
- unit_serialize_item_format(u, f, "main-exec-status-status", "%i", s->main_exec_status.status);
+ unit_serialize_item_format(u, f, "main-exec-status-code", "%i",
+ s->main_exec_status.code);
+ unit_serialize_item_format(u, f, "main-exec-status-status", "%i",
+ s->main_exec_status.status);
}
}
if (dual_timestamp_is_set(&s->watchdog_timestamp))
- dual_timestamp_serialize(f, "watchdog-timestamp", &s->watchdog_timestamp);
+ dual_timestamp_serialize(f, "watchdog-timestamp",
+ &s->watchdog_timestamp);
+
+ if (s->exec_context.tmp_dir)
+ unit_serialize_item(u, f, "tmp-dir", s->exec_context.tmp_dir);
+
+ if (s->exec_context.var_tmp_dir)
+ unit_serialize_item(u, f, "var-tmp-dir", s->exec_context.var_tmp_dir);
+
+ if (s->forbid_restart)
+ unit_serialize_item(u, f, "forbid-restart", yes_no(s->forbid_restart));
return 0;
}
if (streq(key, "state")) {
ServiceState state;
- if ((state = service_state_from_string(value)) < 0)
+ state = service_state_from_string(value);
+ if (state < 0)
log_debug_unit(u->id, "Failed to parse state value %s", value);
else
s->deserialized_state = state;
if (parse_pid(value, &pid) < 0)
log_debug_unit(u->id, "Failed to parse main-pid value %s", value);
- else
- service_set_main_pid(s, (pid_t) pid);
+ else {
+ service_set_main_pid(s, pid);
+ unit_watch_pid(UNIT(s), pid);
+ }
} else if (streq(key, "main-pid-known")) {
int b;
- if ((b = parse_boolean(value)) < 0)
+ b = parse_boolean(value);
+ if (b < 0)
log_debug_unit(u->id, "Failed to parse main-pid-known value %s", value);
else
s->main_pid_known = b;
} else if (streq(key, "status-text")) {
char *t;
- if ((t = strdup(value))) {
+ t = strdup(value);
+ if (!t)
+ log_oom();
+ else {
free(s->status_text);
s->status_text = t;
}
} else if (streq(key, "control-command")) {
ServiceExecCommand id;
- if ((id = service_exec_command_from_string(value)) < 0)
+ id = service_exec_command_from_string(value);
+ if (id < 0)
log_debug_unit(u->id, "Failed to parse exec-command value %s", value);
else {
s->control_command_id = id;
dual_timestamp_deserialize(value, &s->main_exec_status.exit_timestamp);
else if (streq(key, "watchdog-timestamp"))
dual_timestamp_deserialize(value, &s->watchdog_timestamp);
- else
+ else if (streq(key, "tmp-dir")) {
+ char *t;
+
+ t = strdup(value);
+ if (!t)
+ return log_oom();
+
+ s->exec_context.tmp_dir = t;
+ } else if (streq(key, "var-tmp-dir")) {
+ char *t;
+
+ t = strdup(value);
+ if (!t)
+ return log_oom();
+
+ s->exec_context.var_tmp_dir = t;
+ } else if (streq(key, "forbid-restart")) {
+ int b;
+
+ b = parse_boolean(value);
+ if (b < 0)
+ log_debug_unit(u->id, "Failed to parse forbid-restart value %s", value);
+ else
+ s->forbid_restart = b;
+ } else
log_debug_unit(u->id, "Unknown serialization key '%s'", key);
return 0;
}
-static UnitActiveState service_active_state(Unit *u) {
+_pure_ static UnitActiveState service_active_state(Unit *u) {
const UnitActiveState *table;
assert(u);
return false;
}
-static bool service_check_snapshot(Unit *u) {
+_pure_ static bool service_check_snapshot(Unit *u) {
Service *s = SERVICE(u);
assert(s);
log_debug_unit(UNIT(s)->id,
"Setting watch for %s's PID file %s",
UNIT(s)->id, s->pid_file_pathspec->path);
- r = path_spec_watch(s->pid_file_pathspec, UNIT(s));
+ r = path_spec_watch(s->pid_file_pathspec, service_dispatch_io);
if (r < 0)
goto fail;
/* the pidfile might have appeared just before we set the watch */
+ log_debug_unit(UNIT(s)->id,
+ "Trying to read %s's PID file %s in case it changed",
+ UNIT(s)->id, s->pid_file_pathspec->path);
service_retry_pid_file(s);
return 0;
if (!ps)
return -ENOMEM;
+ ps->unit = UNIT(s);
ps->path = strdup(s->pid_file);
if (!ps->path) {
free(ps);
return service_watch_pid_file(s);
}
-static void service_fd_event(Unit *u, int fd, uint32_t events, Watch *w) {
- Service *s = SERVICE(u);
+static int service_dispatch_io(sd_event_source *source, int fd, uint32_t events, void *userdata) {
+ Service *s = SERVICE(userdata);
assert(s);
assert(fd >= 0);
assert(s->pid_file_pathspec);
assert(path_spec_owns_inotify_fd(s->pid_file_pathspec, fd));
- log_debug_unit(u->id, "inotify event for %s", u->id);
+ log_debug_unit(UNIT(s)->id, "inotify event for %s", UNIT(s)->id);
if (path_spec_fd_event(s->pid_file_pathspec, events) < 0)
goto fail;
if (service_retry_pid_file(s) == 0)
- return;
+ return 0;
if (service_watch_pid_file(s) < 0)
goto fail;
- return;
+ return 0;
+
fail:
service_unwatch_pid_file(s);
service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_RESOURCES);
+ return 0;
}
static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) {
f = SERVICE_SUCCESS;
}
- log_struct(f == SERVICE_SUCCESS ? LOG_DEBUG : LOG_NOTICE,
+ log_struct_unit(f == SERVICE_SUCCESS ? LOG_DEBUG : LOG_NOTICE,
+ u->id,
"MESSAGE=%s: main process exited, code=%s, status=%i/%s",
u->id, sigchld_code_to_string(code), status,
strna(code == CLD_EXITED
? exit_status_to_string(status, EXIT_STATUS_FULL)
: signal_to_string(status)),
- "UNIT=%s", u->id,
"EXIT_CODE=%s", sigchld_code_to_string(code),
"EXIT_STATUS=%i", status,
NULL);
}
} else if (s->control_pid == pid) {
-
s->control_pid = 0;
if (s->control_command) {
- exec_status_exit(&s->control_command->exec_status, &s->exec_context, pid, code, status);
+ exec_status_exit(&s->control_command->exec_status,
+ &s->exec_context, pid, code, status);
if (s->control_command->ignore)
f = SERVICE_SUCCESS;
/* Immediately get rid of the cgroup, so that the
* kernel doesn't delay the cgroup empty messages for
* the service cgroup any longer than necessary */
- cgroup_bonding_kill_list(UNIT(s)->cgroup_bondings, SIGKILL, true, true, NULL, "control");
+ service_kill_control_processes(s);
if (s->control_command &&
s->control_command->command_next &&
unit_add_to_dbus_queue(u);
}
-static void service_timer_event(Unit *u, uint64_t elapsed, Watch* w) {
- Service *s = SERVICE(u);
+static int service_dispatch_timer(sd_event_source *source, usec_t usec, void *userdata) {
+ Service *s = SERVICE(userdata);
assert(s);
- assert(elapsed == 1);
-
- if (w == &s->watchdog_watch) {
- service_handle_watchdog(s);
- return;
- }
-
- assert(w == &s->timer_watch);
+ assert(source == s->timer_event_source);
switch (s->state) {
case SERVICE_START_PRE:
case SERVICE_START:
- log_warning_unit(u->id,
- "%s operation timed out. Terminating.", u->id);
+ log_warning_unit(UNIT(s)->id,
+ "%s operation timed out. Terminating.", UNIT(s)->id);
service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_TIMEOUT);
break;
case SERVICE_START_POST:
- log_warning_unit(u->id,
- "%s operation timed out. Stopping.", u->id);
+ log_warning_unit(UNIT(s)->id,
+ "%s operation timed out. Stopping.", UNIT(s)->id);
service_enter_stop(s, SERVICE_FAILURE_TIMEOUT);
break;
case SERVICE_RELOAD:
- log_warning_unit(u->id,
- "%s operation timed out. Stopping.", u->id);
+ log_warning_unit(UNIT(s)->id,
+ "%s operation timed out. Stopping.", UNIT(s)->id);
s->reload_result = SERVICE_FAILURE_TIMEOUT;
service_enter_running(s, SERVICE_SUCCESS);
break;
case SERVICE_STOP:
- log_warning_unit(u->id,
- "%s stopping timed out. Terminating.", u->id);
+ log_warning_unit(UNIT(s)->id,
+ "%s stopping timed out. Terminating.", UNIT(s)->id);
service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_TIMEOUT);
break;
case SERVICE_STOP_SIGTERM:
if (s->kill_context.send_sigkill) {
- log_warning_unit(u->id,
- "%s stopping timed out. Killing.", u->id);
+ log_warning_unit(UNIT(s)->id,
+ "%s stopping timed out. Killing.", UNIT(s)->id);
service_enter_signal(s, SERVICE_STOP_SIGKILL, SERVICE_FAILURE_TIMEOUT);
} else {
- log_warning_unit(u->id,
- "%s stopping timed out. Skipping SIGKILL.", u->id);
+ log_warning_unit(UNIT(s)->id,
+ "%s stopping timed out. Skipping SIGKILL.", UNIT(s)->id);
service_enter_stop_post(s, SERVICE_FAILURE_TIMEOUT);
}
* Must be something we cannot kill, so let's just be
* weirded out and continue */
- log_warning_unit(u->id,
- "%s still around after SIGKILL. Ignoring.", u->id);
+ log_warning_unit(UNIT(s)->id,
+ "%s still around after SIGKILL. Ignoring.", UNIT(s)->id);
service_enter_stop_post(s, SERVICE_FAILURE_TIMEOUT);
break;
case SERVICE_STOP_POST:
- log_warning_unit(u->id,
- "%s stopping timed out (2). Terminating.", u->id);
+ log_warning_unit(UNIT(s)->id,
+ "%s stopping timed out (2). Terminating.", UNIT(s)->id);
service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_TIMEOUT);
break;
case SERVICE_FINAL_SIGTERM:
if (s->kill_context.send_sigkill) {
- log_warning_unit(u->id,
- "%s stopping timed out (2). Killing.", u->id);
+ log_warning_unit(UNIT(s)->id,
+ "%s stopping timed out (2). Killing.", UNIT(s)->id);
service_enter_signal(s, SERVICE_FINAL_SIGKILL, SERVICE_FAILURE_TIMEOUT);
} else {
- log_warning_unit(u->id,
+ log_warning_unit(UNIT(s)->id,
"%s stopping timed out (2). Skipping SIGKILL. Entering failed mode.",
- u->id);
+ UNIT(s)->id);
service_enter_dead(s, SERVICE_FAILURE_TIMEOUT, false);
}
break;
case SERVICE_FINAL_SIGKILL:
- log_warning_unit(u->id,
- "%s still around after SIGKILL (2). Entering failed mode.", u->id);
+ log_warning_unit(UNIT(s)->id,
+ "%s still around after SIGKILL (2). Entering failed mode.", UNIT(s)->id);
service_enter_dead(s, SERVICE_FAILURE_TIMEOUT, true);
break;
case SERVICE_AUTO_RESTART:
- log_info_unit(u->id,
- "%s holdoff time over, scheduling restart.", u->id);
+ log_info_unit(UNIT(s)->id,
+ "%s holdoff time over, scheduling restart.", UNIT(s)->id);
service_enter_restart(s);
break;
default:
assert_not_reached("Timeout at wrong time.");
}
+
+ return 0;
+}
+
+static int service_dispatch_watchdog(sd_event_source *source, usec_t usec, void *userdata) {
+ Service *s = SERVICE(userdata);
+
+ assert(s);
+ assert(source == s->watchdog_event_source);
+
+ service_handle_watchdog(s);
+ return 0;
}
-static void service_cgroup_notify_event(Unit *u) {
+static void service_notify_cgroup_empty_event(Unit *u) {
Service *s = SERVICE(u);
assert(u);
- log_debug_unit(u->id,
- "%s: cgroup is empty", u->id);
+ log_debug_unit(u->id, "%s: cgroup is empty", u->id);
switch (s->state) {
log_debug_unit(u->id,
"%s: got %s", u->id, e);
service_set_main_pid(s, pid);
+ unit_watch_pid(UNIT(s), pid);
}
}
if (strv_find(tags, "WATCHDOG=1")) {
log_debug_unit(u->id,
"%s: got WATCHDOG=1", u->id);
- service_reset_watchdog(s);
+ if (dual_timestamp_is_set(&s->watchdog_timestamp))
+ service_reset_watchdog(s);
}
/* Notify clients about changed status or main pid */
static int service_enumerate(Manager *m) {
char **p;
unsigned i;
- DIR *d = NULL;
- char *path = NULL, *fpath = NULL, *name = NULL;
- Set *runlevel_services[ELEMENTSOF(rcnd_table)], *shutdown_services = NULL;
+ _cleanup_closedir_ DIR *d = NULL;
+ _cleanup_free_ char *path = NULL, *fpath = NULL, *name = NULL;
+ Set *runlevel_services[ELEMENTSOF(rcnd_table)] = {};
+ _cleanup_set_free_ Set *shutdown_services = NULL;
Unit *service;
Iterator j;
int r;
if (m->running_as != SYSTEMD_SYSTEM)
return 0;
- zero(runlevel_services);
-
STRV_FOREACH(p, m->lookup_paths.sysvrcnd_path)
for (i = 0; i < ELEMENTSOF(rcnd_table); i ++) {
struct dirent *de;
if (d)
closedir(d);
- if (!(d = opendir(path))) {
+ d = opendir(path);
+ if (!d) {
if (errno != ENOENT)
- log_warning("opendir() failed on %s: %s", path, strerror(errno));
+ log_warning("opendir(%s) failed: %s", path, strerror(errno));
continue;
}
}
free(name);
- if (!(name = sysv_translate_name(de->d_name + 3))) {
- r = -ENOMEM;
+ name = sysv_translate_name(de->d_name + 3);
+ if (!name) {
+ r = log_oom();
goto finish;
}
SERVICE(service)->sysv_enabled = true;
}
- if ((r = set_ensure_allocated(&runlevel_services[i], trivial_hash_func, trivial_compare_func)) < 0)
+ r = set_ensure_allocated(&runlevel_services[i],
+ trivial_hash_func, trivial_compare_func);
+ if (r < 0)
goto finish;
- if ((r = set_put(runlevel_services[i], service)) < 0)
+ r = set_put(runlevel_services[i], service);
+ if (r < 0)
goto finish;
} else if (de->d_name[0] == 'K' &&
(rcnd_table[i].type == RUNLEVEL_DOWN)) {
- if ((r = set_ensure_allocated(&shutdown_services, trivial_hash_func, trivial_compare_func)) < 0)
+ r = set_ensure_allocated(&shutdown_services,
+ trivial_hash_func, trivial_compare_func);
+ if (r < 0)
goto finish;
- if ((r = set_put(shutdown_services, service)) < 0)
+ r = set_put(shutdown_services, service);
+ if (r < 0)
goto finish;
}
}
if (service->fragment_path)
continue;
- if ((r = unit_add_two_dependencies_by_name_inverse(service, UNIT_AFTER, UNIT_WANTS, rcnd_table[i].target, NULL, true)) < 0)
+ r = unit_add_two_dependencies_by_name_inverse(
+ service, UNIT_AFTER, UNIT_WANTS,
+ rcnd_table[i].target, NULL, true);
+ if (r < 0)
goto finish;
}
if (service->fragment_path)
continue;
- if ((r = unit_add_two_dependencies_by_name(service, UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, NULL, true)) < 0)
+ r = unit_add_two_dependencies_by_name(
+ service, UNIT_BEFORE, UNIT_CONFLICTS,
+ SPECIAL_SHUTDOWN_TARGET, NULL, true);
+ if (r < 0)
goto finish;
}
r = 0;
finish:
- free(path);
- free(fpath);
- free(name);
for (i = 0; i < ELEMENTSOF(rcnd_table); i++)
set_free(runlevel_services[i]);
- set_free(shutdown_services);
-
- if (d)
- closedir(d);
return r;
}
const char *new_owner) {
Service *s = SERVICE(u);
+ int r;
assert(s);
assert(name);
s->state == SERVICE_RUNNING ||
s->state == SERVICE_RELOAD)) {
- /* Try to acquire PID from bus service */
- log_debug_unit(u->id,
- "Trying to acquire PID from D-Bus name...");
-
- bus_query_pid(u->manager, name);
- }
-}
-
-static void service_bus_query_pid_done(
- Unit *u,
- const char *name,
- pid_t pid) {
-
- Service *s = SERVICE(u);
+ pid_t pid;
- assert(s);
- assert(name);
+ /* Try to acquire PID from bus service */
- log_debug_unit(u->id,
- "%s's D-Bus name %s is now owned by process %u",
- u->id, name, (unsigned) pid);
+ r = sd_bus_get_owner_pid(u->manager->api_bus, name, &pid);
+ if (r >= 0) {
+ log_debug_unit(u->id, "%s's D-Bus name %s is now owned by process %u", u->id, name, (unsigned) pid);
- if (s->main_pid <= 0 &&
- (s->state == SERVICE_START ||
- s->state == SERVICE_START_POST ||
- s->state == SERVICE_RUNNING ||
- s->state == SERVICE_RELOAD))
- service_set_main_pid(s, pid);
+ service_set_main_pid(s, pid);
+ unit_watch_pid(UNIT(s), pid);
+ }
+ }
}
int service_set_socket_fd(Service *s, int fd, Socket *sock) {
RATELIMIT_RESET(s->start_limit);
}
-static int service_kill(Unit *u, KillWho who, int signo, DBusError *error) {
+static int service_kill(Unit *u, KillWho who, int signo, sd_bus_error *error) {
Service *s = SERVICE(u);
- int r = 0;
- Set *pid_set = NULL;
-
- assert(s);
-
- if (s->main_pid <= 0 && who == KILL_MAIN) {
- dbus_set_error(error, BUS_ERROR_NO_SUCH_PROCESS, "No main process to kill");
- return -ESRCH;
- }
-
- if (s->control_pid <= 0 && who == KILL_CONTROL) {
- dbus_set_error(error, BUS_ERROR_NO_SUCH_PROCESS, "No control process to kill");
- return -ESRCH;
- }
- if (who == KILL_CONTROL || who == KILL_ALL)
- if (s->control_pid > 0)
- if (kill(s->control_pid, signo) < 0)
- r = -errno;
-
- if (who == KILL_MAIN || who == KILL_ALL)
- if (s->main_pid > 0)
- if (kill(s->main_pid, signo) < 0)
- r = -errno;
-
- if (who == KILL_ALL) {
- int q;
-
- 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) {
- q = set_put(pid_set, LONG_TO_PTR(s->control_pid));
- if (q < 0) {
- r = q;
- goto finish;
- }
- }
-
- 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 && q != -EAGAIN && q != -ESRCH && q != -ENOENT)
- r = q;
- }
-
-finish:
- if (pid_set)
- set_free(pid_set);
-
- return r;
+ return unit_kill_common(u, who, signo, s->main_pid, s->control_pid, error);
}
static const char* const service_state_table[_SERVICE_STATE_MAX] = {
[SERVICE_RESTART_NO] = "no",
[SERVICE_RESTART_ON_SUCCESS] = "on-success",
[SERVICE_RESTART_ON_FAILURE] = "on-failure",
+ [SERVICE_RESTART_ON_WATCHDOG] = "on-watchdog",
[SERVICE_RESTART_ON_ABORT] = "on-abort",
[SERVICE_RESTART_ALWAYS] = "always"
};
const UnitVTable service_vtable = {
.object_size = sizeof(Service),
.exec_context_offset = offsetof(Service, exec_context),
+ .cgroup_context_offset = offsetof(Service, cgroup_context),
+ .kill_context_offset = offsetof(Service, kill_context),
.sections =
"Unit\0"
"Service\0"
"Install\0",
+ .private_section = "Service",
.init = service_init,
.done = service_done,
.check_snapshot = service_check_snapshot,
.sigchld_event = service_sigchld_event,
- .timer_event = service_timer_event,
- .fd_event = service_fd_event,
.reset_failed = service_reset_failed,
- .cgroup_notify_empty = service_cgroup_notify_event,
+ .notify_cgroup_empty = service_notify_cgroup_empty_event,
.notify_message = service_notify_message,
.bus_name_owner_change = service_bus_name_owner_change,
- .bus_query_pid_done = service_bus_query_pid_done,
.bus_interface = "org.freedesktop.systemd1.Service",
- .bus_message_handler = bus_service_message_handler,
- .bus_invalidating_properties = bus_service_invalidating_properties,
+ .bus_vtable = bus_service_vtable,
+ .bus_changing_properties = bus_service_changing_properties,
+ .bus_set_property = bus_service_set_property,
+ .bus_commit_properties = bus_service_commit_properties,
#ifdef HAVE_SYSV_COMPAT
.enumerate = service_enumerate,
#endif
+
+ .can_transient = true,
+
.status_message_formats = {
.starting_stopping = {
[0] = "Starting %s...",
~ianmdlvl / elogind.git / blobdiff