-/*-*- Mode: C; c-basic-offset: 8 -*-*/
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/***
This file is part of systemd.
#include "path-lookup.h"
#include "special.h"
#include "bus-errors.h"
+#include "exit-status.h"
/* As soon as 16 units are in our GC queue, make sure to run a gc sweep */
#define GC_QUEUE_ENTRIES_MAX 16
else
strncpy(sa.un.sun_path+1, NOTIFY_SOCKET, sizeof(sa.un.sun_path)-1);
- if (bind(m->notify_watch.fd, &sa.sa, sizeof(sa_family_t) + 1 + strlen(sa.un.sun_path+1)) < 0) {
+ if (bind(m->notify_watch.fd, &sa.sa, offsetof(struct sockaddr_un, sun_path) + 1 + strlen(sa.un.sun_path+1)) < 0) {
log_error("bind() failed: %m");
return -errno;
}
if (!(m->notify_socket = strdup(sa.un.sun_path+1)))
return -ENOMEM;
+ log_debug("Using notification socket %s", m->notify_socket);
+
return 0;
}
SIGWINCH, /* Kernel sends us this on kbrequest (alt-arrowup) */
SIGPWR, /* Some kernel drivers and upsd send us this on power failure */
SIGRTMIN+0, /* systemd: start default.target */
- SIGRTMIN+1, /* systemd: start rescue.target */
+ SIGRTMIN+1, /* systemd: isolate rescue.target */
SIGRTMIN+2, /* systemd: isolate emergency.target */
SIGRTMIN+3, /* systemd: start halt.target */
SIGRTMIN+4, /* systemd: start poweroff.target */
SIGRTMIN+5, /* systemd: start reboot.target */
+ SIGRTMIN+6, /* systemd: start kexec.target */
+ SIGRTMIN+13, /* systemd: Immediate halt */
+ SIGRTMIN+14, /* systemd: Immediate poweroff */
+ SIGRTMIN+15, /* systemd: Immediate reboot */
+ SIGRTMIN+16, /* systemd: Immediate kexec */
-1);
assert_se(sigprocmask(SIG_SETMASK, &mask, NULL) == 0);
m->audit_fd = -1;
#endif
- m->signal_watch.fd = m->mount_watch.fd = m->udev_watch.fd = m->epoll_fd = m->dev_autofs_fd = -1;
+ m->signal_watch.fd = m->mount_watch.fd = m->udev_watch.fd = m->epoll_fd = m->dev_autofs_fd = m->swap_watch.fd = -1;
m->current_job_id = 1; /* start as id #1, so that we can leave #0 around as "null-like" value */
if (!(m->environment = strv_copy(environ)))
if ((r = bus_init(m)) < 0)
goto fail;
+#ifdef HAVE_AUDIT
if ((m->audit_fd = audit_open()) < 0)
log_error("Failed to connect to audit log: %m");
+#endif
*_m = m;
return 0;
#endif
free(m->notify_socket);
+ free(m->console);
lookup_paths_free(&m->lookup_paths);
strv_free(m->environment);
d = j;
else
d = k;
- }
+ } else
+ d = j;
} else if (!j->matters_to_anchor)
d = j;
t = j->type;
LIST_FOREACH(transaction, k, j->transaction_next) {
- if ((r = job_type_merge(&t, k->type)) >= 0)
+ if (job_type_merge(&t, k->type) >= 0)
continue;
/* OK, we could not merge all jobs for this
if (delete) {
- log_warning("Breaking ordering cycle by deleting job %s/%s", k->unit->meta.id, job_type_to_string(k->type));
+ log_warning("Breaking ordering cycle by deleting job %s/%s", delete->unit->meta.id, job_type_to_string(delete->type));
transaction_delete_unit(m, delete->unit);
return -EAGAIN;
}
log_error("Unable to break cycle");
- dbus_set_error(e, BUS_ERROR_TRANSACTION_ORDER_IS_CYCLIC, "Transaction order is cyclic. See logs for details.");
+ dbus_set_error(e, BUS_ERROR_TRANSACTION_ORDER_IS_CYCLIC, "Transaction order is cyclic. See system logs for details.");
return -ENOEXEC;
}
j->unit->meta.job = j;
j->installed = true;
+ m->n_installed_jobs ++;
/* We're fully installed. Now let's free data we don't
* need anymore. */
job_add_to_run_queue(j);
job_add_to_dbus_queue(j);
job_start_timer(j);
+
+ log_debug("Installed new job %s/%s as %u", j->unit->meta.id, job_type_to_string(j->type), (unsigned) j->id);
}
/* As last step, kill all remaining job dependencies. */
/* Second step: Try not to stop any running services if
* we don't have to. Don't try to reverse running
* jobs if we don't have to. */
- transaction_minimize_impact(m);
+ if (mode != JOB_ISOLATE)
+ transaction_minimize_impact(m);
/* Third step: Drop redundant jobs */
transaction_drop_redundant(m);
static Job* transaction_add_one_job(Manager *m, JobType type, Unit *unit, bool override, bool *is_new) {
Job *j, *f;
- int r;
assert(m);
assert(unit);
LIST_PREPEND(Job, transaction, f, j);
- if ((r = hashmap_replace(m->transaction_jobs, unit, f)) < 0) {
+ if (hashmap_replace(m->transaction_jobs, unit, f) < 0) {
job_free(j);
return NULL;
}
assert(type < _JOB_TYPE_MAX);
assert(unit);
- if (type != JOB_STOP &&
- unit->meta.load_state != UNIT_LOADED) {
- dbus_set_error(e, BUS_ERROR_LOAD_FAILED, "Unit %s failed to load. See logs for details.", unit->meta.id);
+ if (unit->meta.load_state != UNIT_LOADED &&
+ unit->meta.load_state != UNIT_ERROR &&
+ unit->meta.load_state != UNIT_MASKED) {
+ dbus_set_error(e, BUS_ERROR_LOAD_FAILED, "Unit %s is not loaded properly.", unit->meta.id);
+ return -EINVAL;
+ }
+
+ if (type != JOB_STOP && unit->meta.load_state == UNIT_ERROR) {
+ dbus_set_error(e, BUS_ERROR_LOAD_FAILED,
+ "Unit %s failed to load: %s. "
+ "See system logs and 'systemctl status' for details.",
+ unit->meta.id,
+ strerror(-unit->meta.load_error));
+ return -EINVAL;
+ }
+
+ if (type != JOB_STOP && unit->meta.load_state == UNIT_MASKED) {
+ dbus_set_error(e, BUS_ERROR_MASKED, "Unit %s is masked.", unit->meta.id);
return -EINVAL;
}
if ((r = transaction_add_job_and_dependencies(m, JOB_START, dep, ret, true, override, false, e, NULL)) < 0 && r != -EBADR)
goto fail;
+ SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_BIND_TO], i)
+ if ((r = transaction_add_job_and_dependencies(m, JOB_START, dep, ret, true, override, false, e, NULL)) < 0 && r != -EBADR)
+ goto fail;
+
SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_REQUIRES_OVERRIDABLE], i)
if ((r = transaction_add_job_and_dependencies(m, JOB_START, dep, ret, !override, override, false, e, NULL)) < 0 && r != -EBADR) {
log_warning("Cannot add dependency job for unit %s, ignoring: %s", dep->meta.id, bus_error(e, r));
- dbus_error_free(e);
+
+ if (e)
+ dbus_error_free(e);
}
SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_WANTS], i)
if ((r = transaction_add_job_and_dependencies(m, JOB_START, dep, ret, false, false, false, e, NULL)) < 0) {
log_warning("Cannot add dependency job for unit %s, ignoring: %s", dep->meta.id, bus_error(e, r));
- dbus_error_free(e);
+
+ if (e)
+ dbus_error_free(e);
}
SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_REQUISITE], i)
SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_REQUISITE_OVERRIDABLE], i)
if ((r = transaction_add_job_and_dependencies(m, JOB_VERIFY_ACTIVE, dep, ret, !override, override, false, e, NULL)) < 0 && r != -EBADR) {
log_warning("Cannot add dependency job for unit %s, ignoring: %s", dep->meta.id, bus_error(e, r));
- dbus_error_free(e);
+
+ if (e)
+ dbus_error_free(e);
}
SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_CONFLICTS], i)
SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_REQUIRED_BY], i)
if ((r = transaction_add_job_and_dependencies(m, type, dep, ret, true, override, false, e, NULL)) < 0 && r != -EBADR)
goto fail;
+
+ SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_BOUND_BY], i)
+ if ((r = transaction_add_job_and_dependencies(m, type, dep, ret, true, override, false, e, NULL)) < 0 && r != -EBADR)
+ goto fail;
}
/* JOB_VERIFY_STARTED, JOB_RELOAD require no dependency handling */
continue;
/* No need to stop inactive jobs */
- if (UNIT_IS_INACTIVE_OR_MAINTENANCE(unit_active_state(u)))
+ if (UNIT_IS_INACTIVE_OR_FAILED(unit_active_state(u)))
continue;
/* Is there already something listed for this? */
return -EINVAL;
}
- log_debug("Trying to enqueue job %s/%s", unit->meta.id, job_type_to_string(type));
+ if (mode == JOB_ISOLATE && !unit->meta.allow_isolate) {
+ dbus_set_error(e, BUS_ERROR_NO_ISOLATION, "Operation refused, unit may not be isolated.");
+ return -EPERM;
+ }
+
+ log_debug("Trying to enqueue job %s/%s/%s", unit->meta.id, job_type_to_string(type), job_mode_to_string(mode));
if ((r = transaction_add_job_and_dependencies(m, type, unit, NULL, true, override, false, e, &ret)) < 0) {
transaction_abort(m);
if (!name)
name = file_name_from_path(path);
- if (!unit_name_is_valid(name)) {
+ if (!unit_name_is_valid(name, false)) {
dbus_set_error(e, BUS_ERROR_INVALID_NAME, "Unit name %s is not valid.", name);
return -EINVAL;
}
if (n >= 0)
return -EIO;
- if (errno == EAGAIN)
+ if (errno == EAGAIN || errno == EINTR)
break;
return -errno;
(long unsigned) si.si_pid,
sigchld_code_to_string(si.si_code),
si.si_status,
- strna(si.si_code == CLD_EXITED ? exit_status_to_string(si.si_status) : signal_to_string(si.si_status)));
+ strna(si.si_code == CLD_EXITED
+ ? exit_status_to_string(si.si_status, EXIT_STATUS_FULL)
+ : signal_to_string(si.si_status)));
if (!u)
continue;
if (n >= 0)
return -EIO;
- if (errno == EAGAIN)
+ if (errno == EINTR || errno == EAGAIN)
break;
return -errno;
}
/* Run the exit target if there is one, if not, just exit. */
- if (manager_start_target(m, SPECIAL_EXIT_SERVICE, JOB_REPLACE) < 0) {
+ if (manager_start_target(m, SPECIAL_EXIT_TARGET, JOB_REPLACE) < 0) {
m->exit_code = MANAGER_EXIT;
return 0;
}
break;
default: {
- static const char * const table[] = {
+ /* Starting SIGRTMIN+0 */
+ static const char * const target_table[] = {
[0] = SPECIAL_DEFAULT_TARGET,
[1] = SPECIAL_RESCUE_TARGET,
[2] = SPECIAL_EMERGENCY_TARGET,
[3] = SPECIAL_HALT_TARGET,
[4] = SPECIAL_POWEROFF_TARGET,
- [5] = SPECIAL_REBOOT_TARGET
+ [5] = SPECIAL_REBOOT_TARGET,
+ [6] = SPECIAL_KEXEC_TARGET
+ };
+
+ /* Starting SIGRTMIN+13, so that target halt and system halt are 10 apart */
+ static const ManagerExitCode code_table[] = {
+ [0] = MANAGER_HALT,
+ [1] = MANAGER_POWEROFF,
+ [2] = MANAGER_REBOOT,
+ [3] = MANAGER_KEXEC
};
if ((int) sfsi.ssi_signo >= SIGRTMIN+0 &&
- (int) sfsi.ssi_signo < SIGRTMIN+(int) ELEMENTSOF(table)) {
- manager_start_target(m, table[sfsi.ssi_signo - SIGRTMIN],
+ (int) sfsi.ssi_signo < SIGRTMIN+(int) ELEMENTSOF(target_table)) {
+ manager_start_target(m, target_table[sfsi.ssi_signo - SIGRTMIN],
(sfsi.ssi_signo == 1 || sfsi.ssi_signo == 2) ? JOB_ISOLATE : JOB_REPLACE);
break;
}
+ if ((int) sfsi.ssi_signo >= SIGRTMIN+13 &&
+ (int) sfsi.ssi_signo < SIGRTMIN+13+(int) ELEMENTSOF(code_table)) {
+ m->exit_code = code_table[sfsi.ssi_signo - SIGRTMIN - 13];
+ break;
+ }
+
log_warning("Got unhandled signal <%s>.", strna(signal_to_string(sfsi.ssi_signo)));
}
}
mount_fd_event(m, ev->events);
break;
+ case WATCH_SWAP:
+ /* Some swap table change, intended for the swap subsystem */
+ swap_fd_event(m, ev->events);
+ break;
+
case WATCH_UDEV:
/* Some notification from udev, intended for the device subsystem */
device_fd_event(m, ev->events);
set_free_free(m->unit_path_cache);
m->unit_path_cache = NULL;
+ manager_check_finished(m);
+
/* There might still be some zombies hanging around from
* before we were exec()'ed. Leat's reap them */
if ((r = manager_dispatch_sigchld(m)) < 0)
if (manager_dispatch_dbus_queue(m) > 0)
continue;
+ if (swap_dispatch_reload(m) > 0)
+ continue;
+
if ((n = epoll_wait(m->epoll_fd, &event, 1, -1)) < 0) {
if (errno == EINTR)
if (m->audit_fd < 0)
return;
+ /* Don't generate audit events if the service was already
+ * started and we're just deserializing */
+ if (m->n_deserializing > 0)
+ return;
+
if (!(p = unit_name_to_prefix_and_instance(u->meta.id))) {
log_error("Failed to allocate unit name for audit message: %s", strerror(ENOMEM));
return;
}
+void manager_send_unit_plymouth(Manager *m, Unit *u) {
+ int fd = -1;
+ union sockaddr_union sa;
+ int n = 0;
+ char *message = NULL;
+ ssize_t r;
+
+ /* Don't generate plymouth events if the service was already
+ * started and we're just deserializing */
+ if (m->n_deserializing > 0)
+ return;
+
+ if (m->running_as != MANAGER_SYSTEM)
+ return;
+
+ if (u->meta.type != UNIT_SERVICE &&
+ u->meta.type != UNIT_MOUNT &&
+ u->meta.type != UNIT_SWAP)
+ return;
+
+ /* We set SOCK_NONBLOCK here so that we rather drop the
+ * message then wait for plymouth */
+ if ((fd = socket(AF_UNIX, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0)) < 0) {
+ log_error("socket() failed: %m");
+ return;
+ }
+
+ zero(sa);
+ sa.sa.sa_family = AF_UNIX;
+ strncpy(sa.un.sun_path+1, "/ply-boot-protocol", sizeof(sa.un.sun_path)-1);
+ if (connect(fd, &sa.sa, sizeof(sa.un)) < 0) {
+
+ if (errno != EPIPE &&
+ errno != EAGAIN &&
+ errno != ENOENT &&
+ errno != ECONNREFUSED &&
+ errno != ECONNRESET &&
+ errno != ECONNABORTED)
+ log_error("connect() failed: %m");
+
+ goto finish;
+ }
+
+ if (asprintf(&message, "U\002%c%s%n", (int) (strlen(u->meta.id) + 1), u->meta.id, &n) < 0) {
+ log_error("Out of memory");
+ goto finish;
+ }
+
+ errno = 0;
+ if ((r = write(fd, message, n + 1)) != n + 1) {
+
+ if (errno != EPIPE &&
+ errno != EAGAIN &&
+ errno != ENOENT &&
+ errno != ECONNREFUSED &&
+ errno != ECONNRESET &&
+ errno != ECONNABORTED)
+ log_error("Failed to write Plymouth message: %m");
+
+ goto finish;
+ }
+
+finish:
+ if (fd >= 0)
+ close_nointr_nofail(fd);
+
+ free(message);
+}
+
void manager_dispatch_bus_name_owner_changed(
Manager *m,
const char *name,
assert(f);
assert(fds);
+ dual_timestamp_serialize(f, "startup-timestamp", &m->startup_timestamp);
+ dual_timestamp_serialize(f, "finish-timestamp", &m->finish_timestamp);
+
+ fputc('\n', f);
+
HASHMAP_FOREACH_KEY(u, t, m->units, i) {
if (u->meta.id != t)
continue;
m->n_deserializing ++;
+ for (;;) {
+ char line[1024], *l;
+
+ if (!fgets(line, sizeof(line), f)) {
+ if (feof(f))
+ r = 0;
+ else
+ r = -errno;
+
+ goto finish;
+ }
+
+ char_array_0(line);
+ l = strstrip(line);
+
+ if (l[0] == 0)
+ break;
+
+ if (startswith(l, "startup-timestamp="))
+ dual_timestamp_deserialize(l+18, &m->startup_timestamp);
+ else if (startswith(l, "finish-timestamp="))
+ dual_timestamp_deserialize(l+17, &m->finish_timestamp);
+ else
+ log_debug("Unknown serialization item '%s'", l);
+ }
+
for (;;) {
Unit *u;
char name[UNIT_NAME_MAX+2];
/* Start marker */
if (!fgets(name, sizeof(name), f)) {
if (feof(f))
- break;
+ r = 0;
+ else
+ r = -errno;
- r = -errno;
goto finish;
}
goto finish;
}
+finish:
if (ferror(f)) {
r = -EIO;
goto finish;
}
- r = 0;
-
-finish:
assert(m->n_deserializing > 0);
m->n_deserializing --;
return false;
}
-void manager_reset_maintenance(Manager *m) {
+void manager_reset_failed(Manager *m) {
Unit *u;
Iterator i;
assert(m);
HASHMAP_FOREACH(u, m->units, i)
- unit_reset_maintenance(u);
+ unit_reset_failed(u);
+}
+
+int manager_set_console(Manager *m, const char *console) {
+ char *c;
+
+ assert(m);
+
+ if (!(c = strdup(console)))
+ return -ENOMEM;
+
+ free(m->console);
+ m->console = c;
+
+ log_debug("Using kernel console %s", c);
+
+ return 0;
+}
+
+bool manager_unit_pending_inactive(Manager *m, const char *name) {
+ Unit *u;
+
+ assert(m);
+ assert(name);
+
+ /* Returns true if the unit is inactive or going down */
+ if (!(u = manager_get_unit(m, name)))
+ return true;
+
+ return unit_pending_inactive(u);
+}
+
+void manager_check_finished(Manager *m) {
+ char userspace[FORMAT_TIMESPAN_MAX], kernel[FORMAT_TIMESPAN_MAX], sum[FORMAT_TIMESPAN_MAX];
+
+ assert(m);
+
+ if (dual_timestamp_is_set(&m->finish_timestamp))
+ return;
+
+ if (hashmap_size(m->jobs) > 0)
+ return;
+
+ dual_timestamp_get(&m->finish_timestamp);
+
+ if (m->running_as == MANAGER_SYSTEM)
+ log_info("Startup finished in %s (kernel) + %s (userspace) = %s.",
+ format_timespan(kernel, sizeof(kernel),
+ m->startup_timestamp.monotonic),
+ format_timespan(userspace, sizeof(userspace),
+ m->finish_timestamp.monotonic - m->startup_timestamp.monotonic),
+ format_timespan(sum, sizeof(sum),
+ m->finish_timestamp.monotonic));
+ else
+ log_debug("Startup finished in %s.",
+ format_timespan(userspace, sizeof(userspace),
+ m->finish_timestamp.monotonic - m->startup_timestamp.monotonic));
+
}
static const char* const manager_running_as_table[_MANAGER_RUNNING_AS_MAX] = {
~ianmdlvl / elogind.git / blobdiff