#include "unit-printf.h"
#include "dbus-service.h"
#include "special.h"
-#include "bus-errors.h"
+#include "dbus-common.h"
#include "exit-status.h"
#include "def.h"
#include "path-util.h"
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);
if (pid == getpid())
return -EINVAL;
+ service_unwatch_main_pid(s);
+
s->main_pid = pid;
s->main_pid_known = true;
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)));
s->watchdog_timestamp.monotonic = 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;
offset = now(CLOCK_MONOTONIC) - s->watchdog_timestamp.monotonic;
if (offset >= 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;
}
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;
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");
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;
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;
+
+ 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 */
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;
if (r < 0)
return r;
- r = unit_add_default_cgroups(u);
+ r = unit_add_default_slice(u);
if (r < 0)
return r;
ServiceExecCommand c;
Service *s = SERVICE(u);
const char *prefix2;
- char _cleanup_free_ *p2 = NULL;
+ _cleanup_free_ char *p2 = NULL;
assert(s);
}
static int service_load_pid_file(Service *s, bool may_warn) {
- char _cleanup_free_ *k = NULL;
+ _cleanup_free_ char *k = NULL;
int r;
pid_t pid;
assert(s->main_pid <= 0);
- pid = cgroup_bonding_search_main_pid_list(UNIT(s)->cgroup_bondings);
+ pid = unit_search_main_pid(UNIT(s));
if (pid <= 0)
return -ENOENT;
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;
/* 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));
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;
pid_t pid;
int r;
int *fds = NULL;
- int _cleanup_free_ *fdsbuf = NULL;
+ _cleanup_free_ int *fdsbuf = NULL;
unsigned n_fds = 0, n_env = 0;
- char _cleanup_strv_free_
+ _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 ||
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)->cgroup_mask,
+ path,
UNIT(s)->id,
s->type == SERVICE_IDLE ? UNIT(s)->manager->idle_pipe : NULL,
&pid);
/* 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);
- r = cgroup_bonding_is_empty_list(UNIT(s)->cgroup_bondings);
+ 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;
s->forbid_restart = false;
+ /* we want fresh tmpdirs in case service is started again immediately */
+ exec_context_tmp_dirs_done(&s->exec_context);
+
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_set_state(s, SERVICE_STOP_POST);
} else
- service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_SUCCESS);
+ service_enter_dead(s, SERVICE_SUCCESS, true);
return;
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;
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;
return 0;
}
-static bool service_can_reload(Unit *u) {
+_pure_ static bool service_can_reload(Unit *u) {
Service *s = SERVICE(u);
assert(s);
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);
+
return 0;
}
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
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);
}
} else if (s->control_pid == pid) {
-
s->control_pid = 0;
if (s->control_command) {
/* 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 &&
}
}
-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) {
static int service_enumerate(Manager *m) {
char **p;
unsigned i;
- DIR _cleanup_closedir_ *d = NULL;
- char _cleanup_free_ *path = NULL, *fpath = NULL, *name = NULL;
- Set *runlevel_services[ELEMENTSOF(rcnd_table)];
- Set _cleanup_set_free_ *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;
static int service_kill(Unit *u, KillWho who, int signo, DBusError *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\0"
"Install\0",
+ .private_section = "Service",
.exec_context_offset = offsetof(Service, exec_context),
- .exec_section = "Service",
+ .cgroup_context_offset = offsetof(Service, cgroup_context),
.init = service_init,
.done = service_done,
.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_interface = "org.freedesktop.systemd1.Service",
.bus_message_handler = bus_service_message_handler,
.bus_invalidating_properties = bus_service_invalidating_properties,
+ .bus_set_property = bus_service_set_property,
+ .bus_commit_properties = bus_service_commit_properties,
+
+ .can_transient = true,
#ifdef HAVE_SYSV_COMPAT
.enumerate = service_enumerate,
~ianmdlvl / elogind.git / blobdiff