#include <assert.h>
#include <errno.h>
#include <string.h>
-#include <sys/epoll.h>
#include <signal.h>
-#include <sys/signalfd.h>
#include <sys/wait.h>
#include <unistd.h>
#include <sys/poll.h>
#include <libaudit.h>
#endif
-#include "systemd/sd-daemon.h"
-#include "systemd/sd-id128.h"
-#include "systemd/sd-messages.h"
+#include "sd-daemon.h"
+#include "sd-id128.h"
+#include "sd-messages.h"
#include "manager.h"
#include "transaction.h"
#include "locale-setup.h"
#include "mount-setup.h"
#include "unit-name.h"
-#include "dbus-unit.h"
-#include "dbus-job.h"
#include "missing.h"
#include "path-lookup.h"
#include "special.h"
-#include "bus-errors.h"
#include "exit-status.h"
#include "virt.h"
#include "watchdog.h"
#include "audit-fd.h"
#include "boot-timestamps.h"
#include "env-util.h"
+#include "bus-errors.h"
+#include "bus-error.h"
+#include "bus-util.h"
+#include "dbus.h"
+#include "dbus-unit.h"
+#include "dbus-job.h"
+#include "dbus-manager.h"
+#include "bus-kernel.h"
/* As soon as 5s passed since a unit was added to our GC queue, make sure to run a gc sweep */
#define GC_QUEUE_USEC_MAX (10*USEC_PER_SEC)
/* Initial delay and the interval for printing status messages about running jobs */
-#define JOBS_IN_PROGRESS_WAIT_SEC 5
-#define JOBS_IN_PROGRESS_PERIOD_SEC 1
+#define JOBS_IN_PROGRESS_WAIT_USEC (5*USEC_PER_SEC)
+#define JOBS_IN_PROGRESS_PERIOD_USEC (USEC_PER_SEC / 3)
#define JOBS_IN_PROGRESS_PERIOD_DIVISOR 3
-/* Where clients shall send notification messages to */
-#define NOTIFY_SOCKET "@/org/freedesktop/systemd1/notify"
-
#define TIME_T_MAX (time_t)((1UL << ((sizeof(time_t) << 3) - 1)) - 1)
-static int manager_setup_notify(Manager *m) {
- union {
- struct sockaddr sa;
- struct sockaddr_un un;
- } sa = {
- .sa.sa_family = AF_UNIX,
- };
- struct epoll_event ev = {
- .events = EPOLLIN,
- .data.ptr = &m->notify_watch,
- };
- int one = 1, r;
-
- m->notify_watch.type = WATCH_NOTIFY;
- m->notify_watch.fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0);
- if (m->notify_watch.fd < 0) {
- log_error("Failed to allocate notification socket: %m");
- return -errno;
- }
-
- if (getpid() != 1 || detect_container(NULL) > 0)
- snprintf(sa.un.sun_path, sizeof(sa.un.sun_path), NOTIFY_SOCKET "/%llu", random_ull());
- else
- strncpy(sa.un.sun_path, NOTIFY_SOCKET, sizeof(sa.un.sun_path));
-
- sa.un.sun_path[0] = 0;
-
- r = bind(m->notify_watch.fd, &sa.sa,
- offsetof(struct sockaddr_un, sun_path) + 1 + strlen(sa.un.sun_path+1));
- if (r < 0) {
- log_error("bind() failed: %m");
- return -errno;
- }
-
- r = setsockopt(m->notify_watch.fd, SOL_SOCKET, SO_PASSCRED, &one, sizeof(one));
- if (r < 0) {
- log_error("SO_PASSCRED failed: %m");
- return -errno;
- }
-
- r = epoll_ctl(m->epoll_fd, EPOLL_CTL_ADD, m->notify_watch.fd, &ev);
- if (r < 0) {
- log_error("Failed to add notification socket fd to epoll: %m");
- return -errno;
- }
-
- sa.un.sun_path[0] = '@';
- m->notify_socket = strdup(sa.un.sun_path);
- if (!m->notify_socket)
- return log_oom();
-
- log_debug("Using notification socket %s", m->notify_socket);
-
- return 0;
-}
-
-static int manager_jobs_in_progress_mod_timer(Manager *m) {
- struct itimerspec its = {
- .it_value.tv_sec = JOBS_IN_PROGRESS_WAIT_SEC,
- .it_interval.tv_sec = JOBS_IN_PROGRESS_PERIOD_SEC,
- };
-
- if (m->jobs_in_progress_watch.type != WATCH_JOBS_IN_PROGRESS)
- return 0;
-
- if (timerfd_settime(m->jobs_in_progress_watch.fd, 0, &its, NULL) < 0)
- return -errno;
-
- return 0;
-}
+static int manager_dispatch_notify_fd(sd_event_source *source, int fd, uint32_t revents, void *userdata);
+static int manager_dispatch_signal_fd(sd_event_source *source, int fd, uint32_t revents, void *userdata);
+static int manager_dispatch_time_change_fd(sd_event_source *source, int fd, uint32_t revents, void *userdata);
+static int manager_dispatch_idle_pipe_fd(sd_event_source *source, int fd, uint32_t revents, void *userdata);
+static int manager_dispatch_jobs_in_progress(sd_event_source *source, usec_t usec, void *userdata);
+static int manager_dispatch_run_queue(sd_event_source *source, void *userdata);
static int manager_watch_jobs_in_progress(Manager *m) {
- struct epoll_event ev = {
- .events = EPOLLIN,
- .data.ptr = &m->jobs_in_progress_watch,
- };
- int r;
-
- if (m->jobs_in_progress_watch.type != WATCH_INVALID)
- return 0;
-
- m->jobs_in_progress_watch.type = WATCH_JOBS_IN_PROGRESS;
- m->jobs_in_progress_watch.fd = timerfd_create(CLOCK_MONOTONIC, TFD_NONBLOCK|TFD_CLOEXEC);
- if (m->jobs_in_progress_watch.fd < 0) {
- log_error("Failed to create timerfd: %m");
- r = -errno;
- goto err;
- }
-
- r = manager_jobs_in_progress_mod_timer(m);
- if (r < 0) {
- log_error("Failed to set up timer for jobs progress watch: %s", strerror(-r));
- goto err;
- }
+ usec_t next;
- if (epoll_ctl(m->epoll_fd, EPOLL_CTL_ADD, m->jobs_in_progress_watch.fd, &ev) < 0) {
- log_error("Failed to add jobs progress timer fd to epoll: %m");
- r = -errno;
- goto err;
- }
-
- log_debug("Set up jobs progress timerfd.");
+ assert(m);
- return 0;
+ if (m->jobs_in_progress_event_source)
+ return 0;
-err:
- if (m->jobs_in_progress_watch.fd >= 0)
- close_nointr_nofail(m->jobs_in_progress_watch.fd);
- watch_init(&m->jobs_in_progress_watch);
- return r;
+ next = now(CLOCK_MONOTONIC) + JOBS_IN_PROGRESS_WAIT_USEC;
+ return sd_event_add_time(
+ m->event,
+ &m->jobs_in_progress_event_source,
+ CLOCK_MONOTONIC,
+ next, 0,
+ manager_dispatch_jobs_in_progress, m);
}
-static void manager_unwatch_jobs_in_progress(Manager *m) {
- if (m->jobs_in_progress_watch.type != WATCH_JOBS_IN_PROGRESS)
- return;
-
- assert_se(epoll_ctl(m->epoll_fd, EPOLL_CTL_DEL, m->jobs_in_progress_watch.fd, NULL) >= 0);
- close_nointr_nofail(m->jobs_in_progress_watch.fd);
- watch_init(&m->jobs_in_progress_watch);
- m->jobs_in_progress_iteration = 0;
+#define CYLON_BUFFER_EXTRA (2*(sizeof(ANSI_RED_ON)-1) + sizeof(ANSI_HIGHLIGHT_RED_ON)-1 + 2*(sizeof(ANSI_HIGHLIGHT_OFF)-1))
- log_debug("Closed jobs progress timerfd.");
-}
-
-#define CYLON_BUFFER_EXTRA (2*strlen(ANSI_RED_ON) + strlen(ANSI_HIGHLIGHT_RED_ON) + 2*strlen(ANSI_HIGHLIGHT_OFF))
static void draw_cylon(char buffer[], size_t buflen, unsigned width, unsigned pos) {
char *p = buffer;
}
}
+void manager_flip_auto_status(Manager *m, bool enable) {
+ assert(m);
+
+ if (enable) {
+ if (m->show_status == SHOW_STATUS_AUTO)
+ manager_set_show_status(m, SHOW_STATUS_TEMPORARY);
+ } else {
+ if (m->show_status == SHOW_STATUS_TEMPORARY)
+ manager_set_show_status(m, SHOW_STATUS_AUTO);
+ }
+}
+
static void manager_print_jobs_in_progress(Manager *m) {
+ _cleanup_free_ char *job_of_n = NULL;
Iterator i;
Job *j;
- char *job_of_n = NULL;
unsigned counter = 0, print_nr;
char cylon[6 + CYLON_BUFFER_EXTRA + 1];
unsigned cylon_pos;
+ char time[FORMAT_TIMESPAN_MAX], limit[FORMAT_TIMESPAN_MAX] = "no limit";
+ uint64_t x;
+
+ assert(m);
+
+ manager_flip_auto_status(m, true);
print_nr = (m->jobs_in_progress_iteration / JOBS_IN_PROGRESS_PERIOD_DIVISOR) % m->n_running_jobs;
cylon_pos = 14 - cylon_pos;
draw_cylon(cylon, sizeof(cylon), 6, cylon_pos);
+ m->jobs_in_progress_iteration++;
+
if (m->n_running_jobs > 1)
if (asprintf(&job_of_n, "(%u of %u) ", counter, m->n_running_jobs) < 0)
job_of_n = NULL;
- manager_status_printf(m, true, cylon, "%sA %s job is running for %s",
- strempty(job_of_n), job_type_to_string(j->type), unit_description(j->unit));
- free(job_of_n);
+ format_timespan(time, sizeof(time), now(CLOCK_MONOTONIC) - j->begin_usec, 1*USEC_PER_SEC);
+ if (job_get_timeout(j, &x) > 0)
+ format_timespan(limit, sizeof(limit), x - j->begin_usec, 1*USEC_PER_SEC);
+
+ manager_status_printf(m, true, cylon,
+ "%sA %s job is running for %s (%s / %s)",
+ strempty(job_of_n),
+ job_type_to_string(j->type),
+ unit_description(j->unit),
+ time, limit);
- m->jobs_in_progress_iteration++;
}
static int manager_watch_idle_pipe(Manager *m) {
- struct epoll_event ev = {
- .events = EPOLLIN,
- .data.ptr = &m->idle_pipe_watch,
- };
int r;
- if (m->idle_pipe_watch.type != WATCH_INVALID)
+ assert(m);
+
+ if (m->idle_pipe_event_source)
return 0;
if (m->idle_pipe[2] < 0)
return 0;
- m->idle_pipe_watch.type = WATCH_IDLE_PIPE;
- m->idle_pipe_watch.fd = m->idle_pipe[2];
- if (m->idle_pipe_watch.fd < 0) {
- log_error("Failed to create timerfd: %m");
- r = -errno;
- goto err;
- }
-
- if (epoll_ctl(m->epoll_fd, EPOLL_CTL_ADD, m->idle_pipe_watch.fd, &ev) < 0) {
- log_error("Failed to add idle_pipe fd to epoll: %m");
- r = -errno;
- goto err;
+ r = sd_event_add_io(m->event, &m->idle_pipe_event_source, m->idle_pipe[2], EPOLLIN, manager_dispatch_idle_pipe_fd, m);
+ if (r < 0) {
+ log_error("Failed to watch idle pipe: %s", strerror(-r));
+ return r;
}
- log_debug("Set up idle_pipe watch.");
-
return 0;
-
-err:
- if (m->idle_pipe_watch.fd >= 0)
- close_nointr_nofail(m->idle_pipe_watch.fd);
- watch_init(&m->idle_pipe_watch);
- return r;
}
-static void manager_unwatch_idle_pipe(Manager *m) {
- if (m->idle_pipe_watch.type != WATCH_IDLE_PIPE)
- return;
-
- assert_se(epoll_ctl(m->epoll_fd, EPOLL_CTL_DEL, m->idle_pipe_watch.fd, NULL) >= 0);
- watch_init(&m->idle_pipe_watch);
+static void manager_close_idle_pipe(Manager *m) {
+ assert(m);
- log_debug("Closed idle_pipe watch.");
+ safe_close_pair(m->idle_pipe);
+ safe_close_pair(m->idle_pipe + 2);
}
static int manager_setup_time_change(Manager *m) {
- struct epoll_event ev = {
- .events = EPOLLIN,
- .data.ptr = &m->time_change_watch,
- };
+ int r;
/* We only care for the cancellation event, hence we set the
* timeout to the latest possible value. */
struct itimerspec its = {
.it_value.tv_sec = TIME_T_MAX,
};
- assert_cc(sizeof(time_t) == sizeof(TIME_T_MAX));
- assert(m->time_change_watch.type == WATCH_INVALID);
+ assert(m);
+ assert_cc(sizeof(time_t) == sizeof(TIME_T_MAX));
/* Uses TFD_TIMER_CANCEL_ON_SET to get notifications whenever
* CLOCK_REALTIME makes a jump relative to CLOCK_MONOTONIC */
- m->time_change_watch.type = WATCH_TIME_CHANGE;
- m->time_change_watch.fd = timerfd_create(CLOCK_REALTIME, TFD_NONBLOCK|TFD_CLOEXEC);
- if (m->time_change_watch.fd < 0) {
+ m->time_change_fd = timerfd_create(CLOCK_REALTIME, TFD_NONBLOCK|TFD_CLOEXEC);
+ if (m->time_change_fd < 0) {
log_error("Failed to create timerfd: %m");
return -errno;
}
- if (timerfd_settime(m->time_change_watch.fd, TFD_TIMER_ABSTIME|TFD_TIMER_CANCEL_ON_SET, &its, NULL) < 0) {
+ if (timerfd_settime(m->time_change_fd, TFD_TIMER_ABSTIME|TFD_TIMER_CANCEL_ON_SET, &its, NULL) < 0) {
log_debug("Failed to set up TFD_TIMER_CANCEL_ON_SET, ignoring: %m");
- close_nointr_nofail(m->time_change_watch.fd);
- watch_init(&m->time_change_watch);
+ m->time_change_fd = safe_close(m->time_change_fd);
return 0;
}
- if (epoll_ctl(m->epoll_fd, EPOLL_CTL_ADD, m->time_change_watch.fd, &ev) < 0) {
- log_error("Failed to add timer change fd to epoll: %m");
- return -errno;
+ r = sd_event_add_io(m->event, &m->time_change_event_source, m->time_change_fd, EPOLLIN, manager_dispatch_time_change_fd, m);
+ if (r < 0) {
+ log_error("Failed to create time change event source: %s", strerror(-r));
+ return r;
}
log_debug("Set up TFD_TIMER_CANCEL_ON_SET timerfd.");
}
static int enable_special_signals(Manager *m) {
- int fd;
+ _cleanup_close_ int fd = -1;
assert(m);
} else {
/* Enable that we get SIGWINCH on kbrequest */
if (ioctl(fd, KDSIGACCEPT, SIGWINCH) < 0)
- log_warning("Failed to enable kbrequest handling: %s", strerror(errno));
-
- close_nointr_nofail(fd);
+ log_warning("Failed to enable kbrequest handling: %m");
}
return 0;
}
static int manager_setup_signals(Manager *m) {
- sigset_t mask;
- struct epoll_event ev = {
- .events = EPOLLIN,
- .data.ptr = &m->signal_watch,
- };
struct sigaction sa = {
.sa_handler = SIG_DFL,
.sa_flags = SA_NOCLDSTOP|SA_RESTART,
};
+ sigset_t mask;
+ int r;
assert(m);
-1);
assert_se(sigprocmask(SIG_SETMASK, &mask, NULL) == 0);
- m->signal_watch.type = WATCH_SIGNAL;
- m->signal_watch.fd = signalfd(-1, &mask, SFD_NONBLOCK|SFD_CLOEXEC);
- if (m->signal_watch.fd < 0)
+ m->signal_fd = signalfd(-1, &mask, SFD_NONBLOCK|SFD_CLOEXEC);
+ if (m->signal_fd < 0)
return -errno;
- if (epoll_ctl(m->epoll_fd, EPOLL_CTL_ADD, m->signal_watch.fd, &ev) < 0)
- return -errno;
+ r = sd_event_add_io(m->event, &m->signal_event_source, m->signal_fd, EPOLLIN, manager_dispatch_signal_fd, m);
+ if (r < 0)
+ return r;
+
+ /* Process signals a bit earlier than the rest of things, but
+ * later that notify_fd processing, so that the notify
+ * processing can still figure out to which process/service a
+ * message belongs, before we reap the process. */
+ r = sd_event_source_set_priority(m->signal_event_source, -5);
+ if (r < 0)
+ return r;
if (m->running_as == SYSTEMD_SYSTEM)
return enable_special_signals(m);
return 0;
}
+static void manager_clean_environment(Manager *m) {
+ assert(m);
+
+ /* Let's remove some environment variables that we
+ * need ourselves to communicate with our clients */
+ strv_env_unset_many(
+ m->environment,
+ "NOTIFY_SOCKET",
+ "MAINPID",
+ "MANAGERPID",
+ "LISTEN_PID",
+ "LISTEN_FDS",
+ "WATCHDOG_PID",
+ "WATCHDOG_USEC",
+ NULL);
+}
+
static int manager_default_environment(Manager *m) {
assert(m);
/* Import locale variables LC_*= from configuration */
locale_setup(&m->environment);
- } else
+ } else {
/* The user manager passes its own environment
* along to its children. */
m->environment = strv_copy(environ);
+ }
if (!m->environment)
return -ENOMEM;
+ manager_clean_environment(m);
+ strv_sort(m->environment);
+
return 0;
}
-int manager_new(SystemdRunningAs running_as, bool reexecuting, Manager **_m) {
+int manager_new(SystemdRunningAs running_as, Manager **_m) {
Manager *m;
- int r = -ENOMEM;
- bool try_bus_connect = false;
+ int r;
assert(_m);
assert(running_as >= 0);
return -ENOMEM;
#ifdef ENABLE_EFI
- if (detect_container(NULL) <= 0)
+ if (running_as == SYSTEMD_SYSTEM && detect_container(NULL) <= 0)
boot_timestamps(&m->userspace_timestamp, &m->firmware_timestamp, &m->loader_timestamp);
#endif
m->running_as = running_as;
- m->name_data_slot = m->conn_data_slot = m->subscribed_data_slot = -1;
m->exit_code = _MANAGER_EXIT_CODE_INVALID;
- m->pin_cgroupfs_fd = -1;
- m->idle_pipe[0] = m->idle_pipe[1] = m->idle_pipe[2] = m->idle_pipe[3] = -1;
+ m->default_timer_accuracy_usec = USEC_PER_MINUTE;
- watch_init(&m->signal_watch);
- watch_init(&m->mount_watch);
- watch_init(&m->swap_watch);
- watch_init(&m->udev_watch);
- watch_init(&m->time_change_watch);
- watch_init(&m->jobs_in_progress_watch);
+ m->idle_pipe[0] = m->idle_pipe[1] = m->idle_pipe[2] = m->idle_pipe[3] = -1;
- m->epoll_fd = m->dev_autofs_fd = -1;
+ m->pin_cgroupfs_fd = m->notify_fd = m->signal_fd = m->time_change_fd = m->dev_autofs_fd = m->private_listen_fd = m->kdbus_fd = -1;
m->current_job_id = 1; /* start as id #1, so that we can leave #0 around as "null-like" value */
r = manager_default_environment(m);
if (r < 0)
goto fail;
- if (!(m->units = hashmap_new(string_hash_func, string_compare_func)))
+ r = hashmap_ensure_allocated(&m->units, string_hash_func, string_compare_func);
+ if (r < 0)
goto fail;
- if (!(m->jobs = hashmap_new(trivial_hash_func, trivial_compare_func)))
+ r = hashmap_ensure_allocated(&m->jobs, trivial_hash_func, trivial_compare_func);
+ if (r < 0)
goto fail;
- if (!(m->watch_pids = hashmap_new(trivial_hash_func, trivial_compare_func)))
+ r = hashmap_ensure_allocated(&m->cgroup_unit, string_hash_func, string_compare_func);
+ if (r < 0)
goto fail;
- m->cgroup_unit = hashmap_new(string_hash_func, string_compare_func);
- if (!m->cgroup_unit)
+ r = hashmap_ensure_allocated(&m->watch_bus, string_hash_func, string_compare_func);
+ if (r < 0)
goto fail;
- m->watch_bus = hashmap_new(string_hash_func, string_compare_func);
- if (!m->watch_bus)
+ r = set_ensure_allocated(&m->failed_units, trivial_hash_func, trivial_compare_func);
+ if (r < 0)
goto fail;
- m->epoll_fd = epoll_create1(EPOLL_CLOEXEC);
- if (m->epoll_fd < 0)
+ r = sd_event_default(&m->event);
+ if (r < 0)
goto fail;
- r = manager_setup_signals(m);
+ r = sd_event_add_defer(m->event, &m->run_queue_event_source, manager_dispatch_run_queue, m);
if (r < 0)
goto fail;
- r = manager_setup_cgroup(m);
+ r = sd_event_source_set_priority(m->run_queue_event_source, SD_EVENT_PRIORITY_IDLE);
if (r < 0)
goto fail;
- r = manager_setup_notify(m);
+ r = sd_event_source_set_enabled(m->run_queue_event_source, SD_EVENT_OFF);
if (r < 0)
goto fail;
- r = manager_setup_time_change(m);
+ r = manager_setup_signals(m);
if (r < 0)
goto fail;
- if (running_as == SYSTEMD_SYSTEM)
- try_bus_connect = reexecuting;
- else if (getenv("DBUS_SESSION_BUS_ADDRESS"))
- try_bus_connect = true;
- else
- log_debug("Skipping DBus session bus connection attempt - no DBUS_SESSION_BUS_ADDRESS set...");
+ r = manager_setup_cgroup(m);
+ if (r < 0)
+ goto fail;
- /* Try to connect to the busses, if possible. */
- r = bus_init(m, try_bus_connect);
+ r = manager_setup_time_change(m);
if (r < 0)
goto fail;
+ m->udev = udev_new();
+ if (!m->udev) {
+ r = -ENOMEM;
+ goto fail;
+ }
+
+ /* Note that we set up neither kdbus, nor the notify fd
+ * here. We do that after deserialization, since they might
+ * have gotten serialized across the reexec. */
+
m->taint_usr = dir_is_empty("/usr") > 0;
*_m = m;
return r;
}
+static int manager_setup_notify(Manager *m) {
+ int r;
+
+ if (m->notify_fd < 0) {
+ _cleanup_close_ int fd = -1;
+ union {
+ struct sockaddr sa;
+ struct sockaddr_un un;
+ } sa = {
+ .sa.sa_family = AF_UNIX,
+ };
+ int one = 1;
+
+ /* First free all secondary fields */
+ free(m->notify_socket);
+ m->notify_socket = NULL;
+ m->notify_event_source = sd_event_source_unref(m->notify_event_source);
+
+ fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0);
+ if (fd < 0) {
+ log_error("Failed to allocate notification socket: %m");
+ return -errno;
+ }
+
+ if (m->running_as == SYSTEMD_SYSTEM)
+ m->notify_socket = strdup("/run/systemd/notify");
+ else {
+ const char *e;
+
+ e = getenv("XDG_RUNTIME_DIR");
+ if (!e) {
+ log_error("XDG_RUNTIME_DIR is not set: %m");
+ return -EINVAL;
+ }
+
+ m->notify_socket = strappend(e, "/systemd/notify");
+ }
+ if (!m->notify_socket)
+ return log_oom();
+
+ strncpy(sa.un.sun_path, m->notify_socket, sizeof(sa.un.sun_path)-1);
+ r = bind(fd, &sa.sa, offsetof(struct sockaddr_un, sun_path) + strlen(sa.un.sun_path));
+ if (r < 0) {
+ log_error("bind() failed: %m");
+ return -errno;
+ }
+
+ r = setsockopt(fd, SOL_SOCKET, SO_PASSCRED, &one, sizeof(one));
+ if (r < 0) {
+ log_error("SO_PASSCRED failed: %m");
+ return -errno;
+ }
+
+ m->notify_fd = fd;
+ fd = -1;
+
+ log_debug("Using notification socket %s", m->notify_socket);
+ }
+
+ if (!m->notify_event_source) {
+ r = sd_event_add_io(m->event, &m->notify_event_source, m->notify_fd, EPOLLIN, manager_dispatch_notify_fd, m);
+ if (r < 0) {
+ log_error("Failed to allocate notify event source: %s", strerror(-r));
+ return -errno;
+ }
+
+ /* Process signals a bit earlier than SIGCHLD, so that we can
+ * still identify to which service an exit message belongs */
+ r = sd_event_source_set_priority(m->notify_event_source, -7);
+ if (r < 0) {
+ log_error("Failed to set priority of notify event source: %s", strerror(-r));
+ return r;
+ }
+ }
+
+ return 0;
+}
+
+static int manager_setup_kdbus(Manager *m) {
+#ifdef ENABLE_KDBUS
+ _cleanup_free_ char *p = NULL;
+#endif
+
+#ifdef ENABLE_KDBUS
+ assert(m);
+
+ if (m->kdbus_fd >= 0)
+ return 0;
+
+ m->kdbus_fd = bus_kernel_create_bus(m->running_as == SYSTEMD_SYSTEM ? "system" : "user", m->running_as == SYSTEMD_SYSTEM, &p);
+ if (m->kdbus_fd < 0) {
+ log_debug("Failed to set up kdbus: %s", strerror(-m->kdbus_fd));
+ return m->kdbus_fd;
+ }
+
+ log_debug("Successfully set up kdbus on %s", p);
+
+ /* Create the namespace directory here, so that the contents
+ * of that directory is not visible to non-root users. This is
+ * necessary to ensure that users cannot get access to busses
+ * of virtualized users when no UID namespacing is used. */
+ if (m->running_as == SYSTEMD_SYSTEM)
+ mkdir_p_label("/dev/kdbus/domain", 0700);
+#endif
+
+ return 0;
+}
+
+static int manager_connect_bus(Manager *m, bool reexecuting) {
+ bool try_bus_connect;
+
+ assert(m);
+
+ try_bus_connect =
+ m->kdbus_fd >= 0 ||
+ reexecuting ||
+ (m->running_as == SYSTEMD_USER && getenv("DBUS_SESSION_BUS_ADDRESS"));
+
+ /* Try to connect to the busses, if possible. */
+ return bus_init(m, try_bus_connect);
+}
+
static unsigned manager_dispatch_cleanup_queue(Manager *m) {
Unit *u;
unsigned n = 0;
m->n_running_jobs = 0;
}
-static void close_idle_pipe(Manager *m) {
- close_pipe(m->idle_pipe);
- close_pipe(m->idle_pipe + 2);
-}
-
void manager_free(Manager *m) {
UnitType c;
int i;
hashmap_free(m->units);
hashmap_free(m->jobs);
- hashmap_free(m->watch_pids);
+ hashmap_free(m->watch_pids1);
+ hashmap_free(m->watch_pids2);
hashmap_free(m->watch_bus);
- if (m->epoll_fd >= 0)
- close_nointr_nofail(m->epoll_fd);
- if (m->signal_watch.fd >= 0)
- close_nointr_nofail(m->signal_watch.fd);
- if (m->notify_watch.fd >= 0)
- close_nointr_nofail(m->notify_watch.fd);
- if (m->time_change_watch.fd >= 0)
- close_nointr_nofail(m->time_change_watch.fd);
- if (m->jobs_in_progress_watch.fd >= 0)
- close_nointr_nofail(m->jobs_in_progress_watch.fd);
+ set_free(m->failed_units);
+
+ sd_event_source_unref(m->signal_event_source);
+ sd_event_source_unref(m->notify_event_source);
+ sd_event_source_unref(m->time_change_event_source);
+ sd_event_source_unref(m->jobs_in_progress_event_source);
+ sd_event_source_unref(m->idle_pipe_event_source);
+ sd_event_source_unref(m->run_queue_event_source);
+
+ safe_close(m->signal_fd);
+ safe_close(m->notify_fd);
+ safe_close(m->time_change_fd);
+ safe_close(m->kdbus_fd);
+
+ manager_close_idle_pipe(m);
+
+ udev_unref(m->udev);
+ sd_event_unref(m->event);
free(m->notify_socket);
hashmap_free(m->cgroup_unit);
set_free_free(m->unit_path_cache);
- close_idle_pipe(m);
-
free(m->switch_root);
free(m->switch_root_init);
- for (i = 0; i < RLIMIT_NLIMITS; i++)
+ for (i = 0; i < _RLIMIT_MAX; i++)
free(m->rlimit[i]);
assert(hashmap_isempty(m->units_requiring_mounts_for));
return r;
}
-int manager_coldplug(Manager *m) {
- int r = 0, q;
+static int manager_coldplug(Manager *m) {
+ int r = 0;
Iterator i;
Unit *u;
char *k;
/* Then, let's set up their initial state. */
HASHMAP_FOREACH_KEY(u, k, m->units, i) {
+ int q;
/* ignore aliases */
if (u->id != k)
continue;
- if ((q = unit_coldplug(u)) < 0)
+ q = unit_coldplug(u);
+ if (q < 0)
r = q;
}
m->unit_path_cache = NULL;
}
+
+static int manager_distribute_fds(Manager *m, FDSet *fds) {
+ Unit *u;
+ Iterator i;
+ int r;
+
+ assert(m);
+
+ HASHMAP_FOREACH(u, m->units, i) {
+
+ if (fdset_size(fds) <= 0)
+ break;
+
+ if (UNIT_VTABLE(u)->distribute_fds) {
+ r = UNIT_VTABLE(u)->distribute_fds(u, fds);
+ if (r < 0)
+ return r;
+ }
+ }
+
+ return 0;
+}
+
int manager_startup(Manager *m, FILE *serialization, FDSet *fds) {
int r, q;
m->n_reloading ++;
/* First, enumerate what we can from all config files */
- dual_timestamp_get(&m->unitsload_start_timestamp);
+ dual_timestamp_get(&m->units_load_start_timestamp);
r = manager_enumerate(m);
- dual_timestamp_get(&m->unitsload_finish_timestamp);
+ dual_timestamp_get(&m->units_load_finish_timestamp);
/* Second, deserialize if there is something to deserialize */
if (serialization) {
r = q;
}
+ /* We might have deserialized the notify fd, but if we didn't
+ * then let's create the bus now */
+ manager_setup_notify(m);
+
+ /* We might have deserialized the kdbus control fd, but if we
+ * didn't, then let's create the bus now. */
+ manager_setup_kdbus(m);
+ manager_connect_bus(m, !!serialization);
+ bus_track_coldplug(m, &m->subscribed, &m->deserialized_subscribed);
+
/* Third, fire things up! */
q = manager_coldplug(m);
if (q < 0)
return r;
}
-int manager_add_job(Manager *m, JobType type, Unit *unit, JobMode mode, bool override, DBusError *e, Job **_ret) {
+int manager_add_job(Manager *m, JobType type, Unit *unit, JobMode mode, bool override, sd_bus_error *e, Job **_ret) {
int r;
Transaction *tr;
assert(mode < _JOB_MODE_MAX);
if (mode == JOB_ISOLATE && type != JOB_START) {
- dbus_set_error(e, BUS_ERROR_INVALID_JOB_MODE, "Isolate is only valid for start.");
+ sd_bus_error_setf(e, SD_BUS_ERROR_INVALID_ARGS, "Isolate is only valid for start.");
return -EINVAL;
}
if (mode == JOB_ISOLATE && !unit->allow_isolate) {
- dbus_set_error(e, BUS_ERROR_NO_ISOLATION, "Operation refused, unit may not be isolated.");
+ sd_bus_error_setf(e, BUS_ERROR_NO_ISOLATION, "Operation refused, unit may not be isolated.");
return -EPERM;
}
return r;
}
-int manager_add_job_by_name(Manager *m, JobType type, const char *name, JobMode mode, bool override, DBusError *e, Job **_ret) {
+int manager_add_job_by_name(Manager *m, JobType type, const char *name, JobMode mode, bool override, sd_bus_error *e, Job **_ret) {
Unit *unit;
int r;
Manager *m,
const char *name,
const char *path,
- DBusError *e,
+ sd_bus_error *e,
Unit **_ret) {
Unit *ret;
/* This will prepare the unit for loading, but not actually
* load anything from disk. */
- if (path && !is_path(path)) {
- dbus_set_error(e, BUS_ERROR_INVALID_PATH, "Path %s is not absolute.", path);
- return -EINVAL;
- }
+ if (path && !is_path(path))
+ return sd_bus_error_setf(e, SD_BUS_ERROR_INVALID_ARGS, "Path %s is not absolute.", path);
if (!name)
- name = path_get_file_name(path);
+ name = basename(path);
t = unit_name_to_type(name);
- if (t == _UNIT_TYPE_INVALID || !unit_name_is_valid(name, false)) {
- dbus_set_error(e, BUS_ERROR_INVALID_NAME, "Unit name %s is not valid.", name);
- return -EINVAL;
- }
+ if (t == _UNIT_TYPE_INVALID || !unit_name_is_valid(name, TEMPLATE_INVALID))
+ return sd_bus_error_setf(e, SD_BUS_ERROR_INVALID_ARGS, "Unit name %s is not valid.", name);
ret = manager_get_unit(m, name);
if (ret) {
Manager *m,
const char *name,
const char *path,
- DBusError *e,
+ sd_bus_error *e,
Unit **_ret) {
int r;
job_finish_and_invalidate(j, JOB_CANCELED, false);
}
-unsigned manager_dispatch_run_queue(Manager *m) {
+static int manager_dispatch_run_queue(sd_event_source *source, void *userdata) {
+ Manager *m = userdata;
Job *j;
- unsigned n = 0;
- if (m->dispatching_run_queue)
- return 0;
-
- m->dispatching_run_queue = true;
+ assert(source);
+ assert(m);
while ((j = m->run_queue)) {
assert(j->installed);
assert(j->in_run_queue);
job_run_and_invalidate(j);
- n++;
}
- m->dispatching_run_queue = false;
-
if (m->n_running_jobs > 0)
manager_watch_jobs_in_progress(m);
if (m->n_on_console > 0)
manager_watch_idle_pipe(m);
- return n;
+ return 1;
}
-unsigned manager_dispatch_dbus_queue(Manager *m) {
+static unsigned manager_dispatch_dbus_queue(Manager *m) {
Job *j;
Unit *u;
unsigned n = 0;
if (m->send_reloading_done) {
m->send_reloading_done = false;
- bus_broadcast_reloading(m, false);
+ bus_manager_send_reloading(m, false);
}
+ if (m->queued_message)
+ bus_send_queued_message(m);
+
return n;
}
-static int manager_process_notify_fd(Manager *m) {
+static void manager_invoke_notify_message(Manager *m, Unit *u, pid_t pid, char *buf, size_t n) {
+ _cleanup_strv_free_ char **tags = NULL;
+
+ assert(m);
+ assert(u);
+ assert(buf);
+ assert(n > 0);
+
+ tags = strv_split(buf, "\n\r");
+ if (!tags) {
+ log_oom();
+ return;
+ }
+
+ log_debug_unit(u->id, "Got notification message for unit %s", u->id);
+
+ if (UNIT_VTABLE(u)->notify_message)
+ UNIT_VTABLE(u)->notify_message(u, pid, tags);
+}
+
+static int manager_dispatch_notify_fd(sd_event_source *source, int fd, uint32_t revents, void *userdata) {
+ Manager *m = userdata;
ssize_t n;
assert(m);
+ assert(m->notify_fd == fd);
+
+ if (revents != EPOLLIN) {
+ log_warning("Got unexpected poll event for notify fd.");
+ return 0;
+ }
for (;;) {
char buf[4096];
.iov_base = buf,
.iov_len = sizeof(buf)-1,
};
+ bool found = false;
union {
struct cmsghdr cmsghdr;
};
struct ucred *ucred;
Unit *u;
- _cleanup_strv_free_ char **tags = NULL;
- n = recvmsg(m->notify_watch.fd, &msghdr, MSG_DONTWAIT);
+ n = recvmsg(m->notify_fd, &msghdr, MSG_DONTWAIT);
if (n <= 0) {
if (n == 0)
return -EIO;
ucred = (struct ucred*) CMSG_DATA(&control.cmsghdr);
- u = hashmap_get(m->watch_pids, LONG_TO_PTR(ucred->pid));
- if (!u) {
- u = manager_get_unit_by_pid(m, ucred->pid);
- if (!u) {
- log_warning("Cannot find unit for notify message of PID %lu.", (unsigned long) ucred->pid);
- continue;
- }
- }
-
assert((size_t) n < sizeof(buf));
buf[n] = 0;
- tags = strv_split(buf, "\n\r");
- if (!tags)
- return log_oom();
- log_debug_unit(u->id, "Got notification message for unit %s", u->id);
+ u = manager_get_unit_by_pid(m, ucred->pid);
+ if (u) {
+ manager_invoke_notify_message(m, u, ucred->pid, buf, n);
+ found = true;
+ }
+
+ u = hashmap_get(m->watch_pids1, LONG_TO_PTR(ucred->pid));
+ if (u) {
+ manager_invoke_notify_message(m, u, ucred->pid, buf, n);
+ found = true;
+ }
+
+ u = hashmap_get(m->watch_pids2, LONG_TO_PTR(ucred->pid));
+ if (u) {
+ manager_invoke_notify_message(m, u, ucred->pid, buf, n);
+ found = true;
+ }
+
+ if (!found)
+ log_warning("Cannot find unit for notify message of PID "PID_FMT".", ucred->pid);
+ }
+
+ return 0;
+}
+
+static void invoke_sigchld_event(Manager *m, Unit *u, siginfo_t *si) {
+ assert(m);
+ assert(u);
+ assert(si);
- if (UNIT_VTABLE(u)->notify_message)
- UNIT_VTABLE(u)->notify_message(u, ucred->pid, tags);
- }
+ log_debug_unit(u->id, "Child "PID_FMT" belongs to %s", si->si_pid, u->id);
- return 0;
+ unit_unwatch_pid(u, si->si_pid);
+ UNIT_VTABLE(u)->sigchld_event(u, si->si_pid, si->si_code, si->si_status);
}
static int manager_dispatch_sigchld(Manager *m) {
for (;;) {
siginfo_t si = {};
- Unit *u;
- int r;
/* First we call waitd() for a PID and do not reap the
* zombie. That way we can still access /proc/$PID for
if (si.si_code == CLD_EXITED || si.si_code == CLD_KILLED || si.si_code == CLD_DUMPED) {
_cleanup_free_ char *name = NULL;
+ Unit *u;
get_process_comm(si.si_pid, &name);
- log_debug("Got SIGCHLD for process %lu (%s)", (unsigned long) si.si_pid, strna(name));
- }
- /* Let's flush any message the dying child might still
- * have queued for us. This ensures that the process
- * still exists in /proc so that we can figure out
- * which cgroup and hence unit it belongs to. */
- r = manager_process_notify_fd(m);
- if (r < 0)
- return r;
+ log_debug("Child "PID_FMT" (%s) died (code=%s, status=%i/%s)",
+ si.si_pid, strna(name),
+ sigchld_code_to_string(si.si_code),
+ 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)));
- /* And now figure out the unit this belongs to */
- u = hashmap_get(m->watch_pids, LONG_TO_PTR(si.si_pid));
- if (!u)
+ /* And now figure out the unit this belongs
+ * to, it might be multiple... */
u = manager_get_unit_by_pid(m, si.si_pid);
+ if (u)
+ invoke_sigchld_event(m, u, &si);
+ u = hashmap_get(m->watch_pids1, LONG_TO_PTR(si.si_pid));
+ if (u)
+ invoke_sigchld_event(m, u, &si);
+ u = hashmap_get(m->watch_pids2, LONG_TO_PTR(si.si_pid));
+ if (u)
+ invoke_sigchld_event(m, u, &si);
+ }
/* And now, we actually reap the zombie. */
if (waitid(P_PID, si.si_pid, &si, WEXITED) < 0) {
return -errno;
}
-
- if (si.si_code != CLD_EXITED && si.si_code != CLD_KILLED && si.si_code != CLD_DUMPED)
- continue;
-
- log_debug("Child %lu died (code=%s, status=%i/%s)",
- (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, EXIT_STATUS_FULL)
- : signal_to_string(si.si_status)));
-
- if (!u)
- continue;
-
- log_debug_unit(u->id,
- "Child %lu belongs to %s", (long unsigned) si.si_pid, u->id);
-
- hashmap_remove(m->watch_pids, LONG_TO_PTR(si.si_pid));
- UNIT_VTABLE(u)->sigchld_event(u, si.si_pid, si.si_code, si.si_status);
}
return 0;
}
static int manager_start_target(Manager *m, const char *name, JobMode mode) {
+ _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
int r;
- DBusError error;
-
- dbus_error_init(&error);
log_debug_unit(name, "Activating special unit %s", name);
r = manager_add_job_by_name(m, JOB_START, name, mode, true, &error, NULL);
if (r < 0)
- log_error_unit(name,
- "Failed to enqueue %s job: %s", name, bus_error(&error, r));
-
- dbus_error_free(&error);
+ log_error_unit(name, "Failed to enqueue %s job: %s", name, bus_error_message(&error, r));
return r;
}
-static int manager_process_signal_fd(Manager *m) {
+static int manager_dispatch_signal_fd(sd_event_source *source, int fd, uint32_t revents, void *userdata) {
+ Manager *m = userdata;
ssize_t n;
struct signalfd_siginfo sfsi;
bool sigchld = false;
assert(m);
+ assert(m->signal_fd == fd);
+
+ if (revents != EPOLLIN) {
+ log_warning("Got unexpected events from signal file descriptor.");
+ return 0;
+ }
for (;;) {
- n = read(m->signal_watch.fd, &sfsi, sizeof(sfsi));
+ n = read(m->signal_fd, &sfsi, sizeof(sfsi));
if (n != sizeof(sfsi)) {
if (n >= 0)
return -errno;
}
- if (sfsi.ssi_pid > 0) {
- char *p = NULL;
-
- get_process_comm(sfsi.ssi_pid, &p);
-
- log_debug("Received SIG%s from PID %lu (%s).",
- signal_to_string(sfsi.ssi_signo),
- (unsigned long) sfsi.ssi_pid, strna(p));
- free(p);
- } else
- log_debug("Received SIG%s.", signal_to_string(sfsi.ssi_signo));
+ log_received_signal(sfsi.ssi_signo == SIGCHLD ||
+ (sfsi.ssi_signo == SIGTERM && m->running_as == SYSTEMD_USER)
+ ? LOG_DEBUG : LOG_INFO,
+ &sfsi);
switch (sfsi.ssi_signo) {
}
case SIGUSR2: {
- FILE *f;
- char *dump = NULL;
+ _cleanup_free_ char *dump = NULL;
+ _cleanup_fclose_ FILE *f = NULL;
size_t size;
- if (!(f = open_memstream(&dump, &size))) {
+ f = open_memstream(&dump, &size);
+ if (!f) {
log_warning("Failed to allocate memory stream.");
break;
}
manager_dump_jobs(m, f, "\t");
if (ferror(f)) {
- fclose(f);
- free(dump);
log_warning("Failed to write status stream");
break;
}
- fclose(f);
- log_dump(LOG_INFO, dump);
- free(dump);
+ if (fflush(f)) {
+ log_warning("Failed to flush status stream");
+ break;
+ }
+ log_dump(LOG_INFO, dump);
break;
}
case 20:
log_debug("Enabling showing of status.");
- manager_set_show_status(m, true);
+ manager_set_show_status(m, SHOW_STATUS_YES);
break;
case 21:
log_debug("Disabling showing of status.");
- manager_set_show_status(m, false);
+ manager_set_show_status(m, SHOW_STATUS_NO);
break;
case 22:
}
if (sigchld)
- return manager_dispatch_sigchld(m);
+ manager_dispatch_sigchld(m);
return 0;
}
-static int process_event(Manager *m, struct epoll_event *ev) {
- int r;
- Watch *w;
+static int manager_dispatch_time_change_fd(sd_event_source *source, int fd, uint32_t revents, void *userdata) {
+ Manager *m = userdata;
+ Iterator i;
+ Unit *u;
assert(m);
- assert(ev);
+ assert(m->time_change_fd == fd);
- assert_se(w = ev->data.ptr);
+ log_struct(LOG_INFO,
+ MESSAGE_ID(SD_MESSAGE_TIME_CHANGE),
+ "MESSAGE=Time has been changed",
+ NULL);
- if (w->type == WATCH_INVALID)
- return 0;
-
- switch (w->type) {
-
- case WATCH_SIGNAL:
-
- /* An incoming signal? */
- if (ev->events != EPOLLIN)
- return -EINVAL;
-
- if ((r = manager_process_signal_fd(m)) < 0)
- return r;
-
- break;
-
- case WATCH_NOTIFY:
-
- /* An incoming daemon notification event? */
- if (ev->events != EPOLLIN)
- return -EINVAL;
-
- if ((r = manager_process_notify_fd(m)) < 0)
- return r;
-
- break;
-
- case WATCH_FD:
-
- /* Some fd event, to be dispatched to the units */
- UNIT_VTABLE(w->data.unit)->fd_event(w->data.unit, w->fd, ev->events, w);
- break;
+ /* Restart the watch */
+ m->time_change_event_source = sd_event_source_unref(m->time_change_event_source);
+ m->time_change_fd = safe_close(m->time_change_fd);
- case WATCH_UNIT_TIMER:
- case WATCH_JOB_TIMER: {
- uint64_t v;
- ssize_t k;
+ manager_setup_time_change(m);
- /* Some timer event, to be dispatched to the units */
- k = read(w->fd, &v, sizeof(v));
- if (k != sizeof(v)) {
-
- if (k < 0 && (errno == EINTR || errno == EAGAIN))
- break;
-
- log_error("Failed to read timer event counter: %s", k < 0 ? strerror(-k) : "Short read");
- return k < 0 ? -errno : -EIO;
- }
-
- if (w->type == WATCH_UNIT_TIMER)
- UNIT_VTABLE(w->data.unit)->timer_event(w->data.unit, v, w);
- else
- job_timer_event(w->data.job, v, w);
- break;
- }
-
- case WATCH_MOUNT:
- /* Some mount table change, intended for the mount subsystem */
- 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);
- break;
+ HASHMAP_FOREACH(u, m->units, i)
+ if (UNIT_VTABLE(u)->time_change)
+ UNIT_VTABLE(u)->time_change(u);
- case WATCH_DBUS_WATCH:
- bus_watch_event(m, w, ev->events);
- break;
+ return 0;
+}
- case WATCH_DBUS_TIMEOUT:
- bus_timeout_event(m, w, ev->events);
- break;
+static int manager_dispatch_idle_pipe_fd(sd_event_source *source, int fd, uint32_t revents, void *userdata) {
+ Manager *m = userdata;
- case WATCH_TIME_CHANGE: {
- Unit *u;
- Iterator i;
-
- log_struct(LOG_INFO,
- MESSAGE_ID(SD_MESSAGE_TIME_CHANGE),
- "MESSAGE=Time has been changed",
- NULL);
-
- /* Restart the watch */
- epoll_ctl(m->epoll_fd, EPOLL_CTL_DEL, m->time_change_watch.fd,
- NULL);
- close_nointr_nofail(m->time_change_watch.fd);
- watch_init(&m->time_change_watch);
- manager_setup_time_change(m);
-
- HASHMAP_FOREACH(u, m->units, i) {
- if (UNIT_VTABLE(u)->time_change)
- UNIT_VTABLE(u)->time_change(u);
- }
+ assert(m);
+ assert(m->idle_pipe[2] == fd);
- break;
- }
+ m->no_console_output = m->n_on_console > 0;
- case WATCH_JOBS_IN_PROGRESS: {
- uint64_t v;
+ m->idle_pipe_event_source = sd_event_source_unref(m->idle_pipe_event_source);
+ manager_close_idle_pipe(m);
- /* not interested in the data */
- read(w->fd, &v, sizeof(v));
+ return 0;
+}
- manager_print_jobs_in_progress(m);
- break;
- }
+static int manager_dispatch_jobs_in_progress(sd_event_source *source, usec_t usec, void *userdata) {
+ Manager *m = userdata;
+ int r;
+ uint64_t next;
- case WATCH_IDLE_PIPE: {
- m->no_console_output = true;
+ assert(m);
+ assert(source);
- manager_unwatch_idle_pipe(m);
- close_idle_pipe(m);
- break;
- }
+ manager_print_jobs_in_progress(m);
- default:
- log_error("event type=%i", w->type);
- assert_not_reached("Unknown epoll event type.");
- }
+ next = now(CLOCK_MONOTONIC) + JOBS_IN_PROGRESS_PERIOD_USEC;
+ r = sd_event_source_set_time(source, next);
+ if (r < 0)
+ return r;
- return 0;
+ return sd_event_source_set_enabled(source, SD_EVENT_ONESHOT);
}
int manager_loop(Manager *m) {
RATELIMIT_DEFINE(rl, 1*USEC_PER_SEC, 50000);
assert(m);
- m->exit_code = MANAGER_RUNNING;
+ m->exit_code = MANAGER_OK;
/* Release the path cache */
set_free_free(m->unit_path_cache);
manager_check_finished(m);
/* There might still be some zombies hanging around from
- * before we were exec()'ed. Leat's reap them */
+ * before we were exec()'ed. Let's reap them. */
r = manager_dispatch_sigchld(m);
if (r < 0)
return r;
- while (m->exit_code == MANAGER_RUNNING) {
- struct epoll_event event;
- int n;
- int wait_msec = -1;
+ while (m->exit_code == MANAGER_OK) {
+ usec_t wait_usec;
if (m->runtime_watchdog > 0 && m->running_as == SYSTEMD_SYSTEM)
watchdog_ping();
if (manager_dispatch_cgroup_queue(m) > 0)
continue;
- if (manager_dispatch_run_queue(m) > 0)
- continue;
-
- if (bus_dispatch(m) > 0)
- continue;
-
if (manager_dispatch_dbus_queue(m) > 0)
continue;
- if (swap_dispatch_reload(m) > 0)
- continue;
-
/* Sleep for half the watchdog time */
if (m->runtime_watchdog > 0 && m->running_as == SYSTEMD_SYSTEM) {
- wait_msec = (int) (m->runtime_watchdog / 2 / USEC_PER_MSEC);
- if (wait_msec <= 0)
- wait_msec = 1;
+ wait_usec = m->runtime_watchdog / 2;
+ if (wait_usec <= 0)
+ wait_usec = 1;
} else
- wait_msec = -1;
+ wait_usec = (usec_t) -1;
- n = epoll_wait(m->epoll_fd, &event, 1, wait_msec);
- if (n < 0) {
-
- if (errno == EINTR)
- continue;
-
- return -errno;
- } else if (n == 0)
- continue;
-
- assert(n == 1);
-
- r = process_event(m, &event);
- if (r < 0)
+ r = sd_event_run(m->event, wait_usec);
+ if (r < 0) {
+ log_error("Failed to run event loop: %s", strerror(-r));
return r;
+ }
}
return m->exit_code;
}
-int manager_load_unit_from_dbus_path(Manager *m, const char *s, DBusError *e, Unit **_u) {
+int manager_load_unit_from_dbus_path(Manager *m, const char *s, sd_bus_error *e, Unit **_u) {
_cleanup_free_ char *n = NULL;
Unit *u;
int r;
}
int manager_get_job_from_dbus_path(Manager *m, const char *s, Job **_j) {
- Job *j;
+ const char *p;
unsigned id;
+ Job *j;
int r;
assert(m);
assert(s);
assert(_j);
- if (!startswith(s, "/org/freedesktop/systemd1/job/"))
+ p = startswith(s, "/org/freedesktop/systemd1/job/");
+ if (!p)
return -EINVAL;
- r = safe_atou(s + 30, &id);
+ r = safe_atou(p, &id);
if (r < 0)
return r;
void manager_send_unit_audit(Manager *m, Unit *u, int type, bool success) {
#ifdef HAVE_AUDIT
- char *p;
+ _cleanup_free_ char *p = NULL;
int audit_fd;
audit_fd = get_audit_fd();
} else
log_warning("Failed to send audit message: %m");
}
-
- free(p);
#endif
}
void manager_send_unit_plymouth(Manager *m, Unit *u) {
- int fd = -1;
- union sockaddr_union sa;
+ union sockaddr_union sa = {
+ .un.sun_family = AF_UNIX,
+ .un.sun_path = "\0/org/freedesktop/plymouthd",
+ };
+
int n = 0;
- char *message = NULL;
+ _cleanup_free_ char *message = NULL;
+ _cleanup_close_ int fd = -1;
/* Don't generate plymouth events if the service was already
* started and we're just deserializing */
if (m->running_as != SYSTEMD_SYSTEM)
return;
+ if (detect_container(NULL) > 0)
+ return;
+
if (u->type != UNIT_SERVICE &&
u->type != UNIT_MOUNT &&
u->type != UNIT_SWAP)
return;
}
- zero(sa);
- sa.sa.sa_family = AF_UNIX;
- strncpy(sa.un.sun_path+1, "/org/freedesktop/plymouthd", sizeof(sa.un.sun_path)-1);
if (connect(fd, &sa.sa, offsetof(struct sockaddr_un, sun_path) + 1 + strlen(sa.un.sun_path+1)) < 0) {
- if (errno != EPIPE &&
- errno != EAGAIN &&
- errno != ENOENT &&
- errno != ECONNREFUSED &&
- errno != ECONNRESET &&
- errno != ECONNABORTED)
+ if (!IN_SET(errno, EPIPE, EAGAIN, ENOENT, ECONNREFUSED, ECONNRESET, ECONNABORTED))
log_error("connect() failed: %m");
-
- goto finish;
+ return;
}
if (asprintf(&message, "U\002%c%s%n", (int) (strlen(u->id) + 1), u->id, &n) < 0) {
log_oom();
- goto finish;
+ return;
}
errno = 0;
- if (write(fd, message, n + 1) != n + 1) {
-
- if (errno != EPIPE &&
- errno != EAGAIN &&
- errno != ENOENT &&
- errno != ECONNREFUSED &&
- errno != ECONNRESET &&
- errno != ECONNABORTED)
+ if (write(fd, message, n + 1) != n + 1)
+ if (!IN_SET(errno, EPIPE, EAGAIN, ENOENT, ECONNREFUSED, ECONNRESET, 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(
assert(m);
assert(name);
- if (!(u = hashmap_get(m->watch_bus, name)))
+ u = hashmap_get(m->watch_bus, name);
+ if (!u)
return;
UNIT_VTABLE(u)->bus_name_owner_change(u, name, old_owner, new_owner);
}
-void manager_dispatch_bus_query_pid_done(
- Manager *m,
- const char *name,
- pid_t pid) {
-
- Unit *u;
-
- assert(m);
- assert(name);
- assert(pid >= 1);
-
- if (!(u = hashmap_get(m->watch_bus, name)))
- return;
-
- UNIT_VTABLE(u)->bus_query_pid_done(u, name, pid);
-}
-
int manager_open_serialization(Manager *m, FILE **_f) {
- char *path = NULL;
- int fd;
+ const char *path;
+ int fd = -1;
FILE *f;
assert(_f);
- if (m->running_as == SYSTEMD_SYSTEM)
- asprintf(&path, "/run/systemd/dump-%lu-XXXXXX", (unsigned long) getpid());
- else
- asprintf(&path, "/tmp/systemd-dump-%lu-XXXXXX", (unsigned long) getpid());
-
- if (!path)
- return -ENOMEM;
-
- RUN_WITH_UMASK(0077) {
- fd = mkostemp(path, O_RDWR|O_CLOEXEC);
- }
-
- if (fd < 0) {
- free(path);
+ path = m->running_as == SYSTEMD_SYSTEM ? "/run/systemd" : "/tmp";
+ fd = open_tmpfile(path, O_RDWR|O_CLOEXEC);
+ if (fd < 0)
return -errno;
- }
-
- unlink(path);
log_debug("Serializing state to %s", path);
- free(path);
f = fdopen(fd, "w+");
- if (!f)
+ if (!f) {
+ safe_close(fd);
return -errno;
+ }
*_f = f;
fprintf(f, "n-failed-jobs=%u\n", m->n_failed_jobs);
dual_timestamp_serialize(f, "firmware-timestamp", &m->firmware_timestamp);
- dual_timestamp_serialize(f, "kernel-timestamp", &m->kernel_timestamp);
dual_timestamp_serialize(f, "loader-timestamp", &m->loader_timestamp);
+ dual_timestamp_serialize(f, "kernel-timestamp", &m->kernel_timestamp);
dual_timestamp_serialize(f, "initrd-timestamp", &m->initrd_timestamp);
if (!in_initrd()) {
dual_timestamp_serialize(f, "userspace-timestamp", &m->userspace_timestamp);
dual_timestamp_serialize(f, "finish-timestamp", &m->finish_timestamp);
+ dual_timestamp_serialize(f, "security-start-timestamp", &m->security_start_timestamp);
+ dual_timestamp_serialize(f, "security-finish-timestamp", &m->security_finish_timestamp);
+ dual_timestamp_serialize(f, "generators-start-timestamp", &m->generators_start_timestamp);
+ dual_timestamp_serialize(f, "generators-finish-timestamp", &m->generators_finish_timestamp);
+ dual_timestamp_serialize(f, "units-load-start-timestamp", &m->units_load_start_timestamp);
+ dual_timestamp_serialize(f, "units-load-finish-timestamp", &m->units_load_finish_timestamp);
}
if (!switching_root) {
_cleanup_free_ char *ce;
ce = cescape(*e);
- if (ce)
- fprintf(f, "env=%s\n", *e);
+ if (!ce)
+ return -ENOMEM;
+
+ fprintf(f, "env=%s\n", *e);
}
}
- bus_serialize(m, f);
+ if (m->notify_fd >= 0) {
+ int copy;
+
+ copy = fdset_put_dup(fds, m->notify_fd);
+ if (copy < 0)
+ return copy;
+
+ fprintf(f, "notify-fd=%i\n", copy);
+ fprintf(f, "notify-socket=%s\n", m->notify_socket);
+ }
+
+ if (m->kdbus_fd >= 0) {
+ int copy;
+
+ copy = fdset_put_dup(fds, m->kdbus_fd);
+ if (copy < 0)
+ return copy;
+
+ fprintf(f, "kdbus-fd=%i\n", copy);
+ }
+
+ bus_track_serialize(m->subscribed, f);
fputc('\n', f);
log_debug("Failed to parse current job id value %s", l+15);
else
m->current_job_id = MAX(m->current_job_id, id);
+
} else if (startswith(l, "n-installed-jobs=")) {
uint32_t n;
log_debug("Failed to parse installed jobs counter %s", l+17);
else
m->n_installed_jobs += n;
+
} else if (startswith(l, "n-failed-jobs=")) {
uint32_t n;
log_debug("Failed to parse failed jobs counter %s", l+14);
else
m->n_failed_jobs += n;
+
} else if (startswith(l, "taint-usr=")) {
int b;
- if ((b = parse_boolean(l+10)) < 0)
+ b = parse_boolean(l+10);
+ if (b < 0)
log_debug("Failed to parse taint /usr flag %s", l+10);
else
m->taint_usr = m->taint_usr || b;
+
} else if (startswith(l, "firmware-timestamp="))
dual_timestamp_deserialize(l+19, &m->firmware_timestamp);
else if (startswith(l, "loader-timestamp="))
dual_timestamp_deserialize(l+20, &m->userspace_timestamp);
else if (startswith(l, "finish-timestamp="))
dual_timestamp_deserialize(l+17, &m->finish_timestamp);
+ else if (startswith(l, "security-start-timestamp="))
+ dual_timestamp_deserialize(l+25, &m->security_start_timestamp);
+ else if (startswith(l, "security-finish-timestamp="))
+ dual_timestamp_deserialize(l+26, &m->security_finish_timestamp);
+ else if (startswith(l, "generators-start-timestamp="))
+ dual_timestamp_deserialize(l+27, &m->generators_start_timestamp);
+ else if (startswith(l, "generators-finish-timestamp="))
+ dual_timestamp_deserialize(l+28, &m->generators_finish_timestamp);
+ else if (startswith(l, "units-load-start-timestamp="))
+ dual_timestamp_deserialize(l+27, &m->units_load_start_timestamp);
+ else if (startswith(l, "units-load-finish-timestamp="))
+ dual_timestamp_deserialize(l+28, &m->units_load_finish_timestamp);
else if (startswith(l, "env=")) {
_cleanup_free_ char *uce = NULL;
char **e;
strv_free(m->environment);
m->environment = e;
- } else if (bus_deserialize_item(m, l) == 0)
+
+ } else if (startswith(l, "notify-fd=")) {
+ int fd;
+
+ if (safe_atoi(l + 10, &fd) < 0 || fd < 0 || !fdset_contains(fds, fd))
+ log_debug("Failed to parse notify fd: %s", l + 10);
+ else {
+ m->notify_event_source = sd_event_source_unref(m->notify_event_source);
+ safe_close(m->notify_fd);
+ m->notify_fd = fdset_remove(fds, fd);
+ }
+
+ } else if (startswith(l, "notify-socket=")) {
+ char *n;
+
+ n = strdup(l+14);
+ if (!n) {
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ free(m->notify_socket);
+ m->notify_socket = n;
+
+ } else if (startswith(l, "kdbus-fd=")) {
+ int fd;
+
+ if (safe_atoi(l + 9, &fd) < 0 || fd < 0 || !fdset_contains(fds, fd))
+ log_debug("Failed to parse kdbus fd: %s", l + 9);
+ else {
+ safe_close(m->kdbus_fd);
+ m->kdbus_fd = fdset_remove(fds, fd);
+ }
+
+ } else if (bus_track_deserialize_item(&m->deserialized_subscribed, l) == 0)
log_debug("Unknown serialization item '%s'", l);
}
}
finish:
- if (ferror(f)) {
+ if (ferror(f))
r = -EIO;
- goto finish;
- }
assert(m->n_reloading > 0);
m->n_reloading --;
return r;
}
-int manager_distribute_fds(Manager *m, FDSet *fds) {
- Unit *u;
- Iterator i;
- int r;
-
- assert(m);
-
- HASHMAP_FOREACH(u, m->units, i) {
-
- if (fdset_size(fds) <= 0)
- break;
-
- if (UNIT_VTABLE(u)->distribute_fds) {
- r = UNIT_VTABLE(u)->distribute_fds(u, fds);
- if (r < 0)
- return r;
- }
- }
-
- return 0;
-}
-
int manager_reload(Manager *m) {
int r, q;
_cleanup_fclose_ FILE *f = NULL;
return r;
m->n_reloading ++;
- bus_broadcast_reloading(m, true);
+ bus_manager_send_reloading(m, true);
fds = fdset_new();
if (!fds) {
fclose(f);
f = NULL;
+ /* Re-register notify_fd as event source */
+ q = manager_setup_notify(m);
+ if (q < 0)
+ r = q;
+
/* Third, fire things up! */
q = manager_coldplug(m);
if (q < 0)
return r;
}
-static bool manager_is_booting_or_shutting_down(Manager *m) {
- Unit *u;
-
- assert(m);
-
- /* Is the initial job still around? */
- if (manager_get_job(m, m->default_unit_job_id))
- return true;
-
- /* Is there a job for the shutdown target? */
- u = manager_get_unit(m, SPECIAL_SHUTDOWN_TARGET);
- if (u)
- return !!u->job;
-
- return false;
-}
-
bool manager_is_reloading_or_reexecuting(Manager *m) {
assert(m);
assert(m);
if (m->n_running_jobs == 0)
- manager_unwatch_jobs_in_progress(m);
+ m->jobs_in_progress_event_source = sd_event_source_unref(m->jobs_in_progress_event_source);
if (hashmap_size(m->jobs) > 0) {
- manager_jobs_in_progress_mod_timer(m);
+
+ if (m->jobs_in_progress_event_source) {
+ sd_event_source_set_time(m->jobs_in_progress_event_source,
+ now(CLOCK_MONOTONIC) + JOBS_IN_PROGRESS_WAIT_USEC);
+ }
+
return;
}
+ manager_flip_auto_status(m, false);
+
/* Notify Type=idle units that we are done now */
- manager_unwatch_idle_pipe(m);
- close_idle_pipe(m);
+ m->idle_pipe_event_source = sd_event_source_unref(m->idle_pipe_event_source);
+ manager_close_idle_pipe(m);
/* Turn off confirm spawn now */
m->confirm_spawn = false;
if (!log_on_console())
log_struct(LOG_INFO,
MESSAGE_ID(SD_MESSAGE_STARTUP_FINISHED),
- "KERNEL_USEC=%llu", (unsigned long long) kernel_usec,
- "INITRD_USEC=%llu", (unsigned long long) initrd_usec,
- "USERSPACE_USEC=%llu", (unsigned long long) userspace_usec,
+ "KERNEL_USEC="USEC_FMT, kernel_usec,
+ "INITRD_USEC="USEC_FMT, initrd_usec,
+ "USERSPACE_USEC="USEC_FMT, userspace_usec,
"MESSAGE=Startup finished in %s (kernel) + %s (initrd) + %s (userspace) = %s.",
format_timespan(kernel, sizeof(kernel), kernel_usec, USEC_PER_MSEC),
format_timespan(initrd, sizeof(initrd), initrd_usec, USEC_PER_MSEC),
if (!log_on_console())
log_struct(LOG_INFO,
MESSAGE_ID(SD_MESSAGE_STARTUP_FINISHED),
- "KERNEL_USEC=%llu", (unsigned long long) kernel_usec,
- "USERSPACE_USEC=%llu", (unsigned long long) userspace_usec,
+ "KERNEL_USEC="USEC_FMT, kernel_usec,
+ "USERSPACE_USEC="USEC_FMT, userspace_usec,
"MESSAGE=Startup finished in %s (kernel) + %s (userspace) = %s.",
format_timespan(kernel, sizeof(kernel), kernel_usec, USEC_PER_MSEC),
format_timespan(userspace, sizeof(userspace), userspace_usec, USEC_PER_MSEC),
if (!log_on_console())
log_struct(LOG_INFO,
MESSAGE_ID(SD_MESSAGE_STARTUP_FINISHED),
- "USERSPACE_USEC=%llu", (unsigned long long) userspace_usec,
+ "USERSPACE_USEC="USEC_FMT, userspace_usec,
"MESSAGE=Startup finished in %s.",
format_timespan(sum, sizeof(sum), total_usec, USEC_PER_MSEC),
NULL);
}
- bus_broadcast_finished(m, firmware_usec, loader_usec, kernel_usec, initrd_usec, userspace_usec, total_usec);
+ bus_manager_send_finished(m, firmware_usec, loader_usec, kernel_usec, initrd_usec, userspace_usec, total_usec);
sd_notifyf(false,
"READY=1\nSTATUS=Startup finished in %s.",
return 0;
if (m->running_as == SYSTEMD_SYSTEM && getpid() == 1) {
+ /* systemd --system, not running --test */
p = strappend("/run/systemd/", name);
if (!p)
return log_oom();
+ r = mkdir_p_label(p, 0755);
+ if (r < 0) {
+ log_error("Failed to create generator directory %s: %s",
+ p, strerror(-r));
+ free(p);
+ return r;
+ }
+ } else if (m->running_as == SYSTEMD_USER) {
+ const char *s = NULL;
+
+ s = getenv("XDG_RUNTIME_DIR");
+ if (!s)
+ return -EINVAL;
+ p = strjoin(s, "/systemd/", name, NULL);
+ if (!p)
+ return log_oom();
+
r = mkdir_p_label(p, 0755);
if (r < 0) {
log_error("Failed to create generator directory %s: %s",
return r;
}
} else {
+ /* systemd --system --test */
+
p = strjoin("/tmp/systemd-", name, ".XXXXXX", NULL);
if (!p)
return log_oom();
}
void manager_run_generators(Manager *m) {
- DIR *d = NULL;
+ _cleanup_closedir_ DIR *d = NULL;
const char *generator_path;
const char *argv[5];
int r;
argv[3] = m->generator_unit_path_late;
argv[4] = NULL;
- RUN_WITH_UMASK(0022) {
- execute_directory(generator_path, d, (char**) argv);
- }
+ RUN_WITH_UMASK(0022)
+ execute_directory(generator_path, d, DEFAULT_TIMEOUT_USEC, (char**) argv);
+finish:
trim_generator_dir(m, &m->generator_unit_path);
trim_generator_dir(m, &m->generator_unit_path_early);
trim_generator_dir(m, &m->generator_unit_path_late);
-
-finish:
- if (d)
- closedir(d);
}
static void remove_generator_dir(Manager *m, char **generator) {
remove_generator_dir(m, &m->generator_unit_path_late);
}
-int manager_environment_add(Manager *m, char **environment) {
- char **e = NULL;
+int manager_environment_add(Manager *m, char **minus, char **plus) {
+ char **a = NULL, **b = NULL, **l;
assert(m);
- e = strv_env_merge(2, m->environment, environment);
- if (!e)
- return -ENOMEM;
+ l = m->environment;
- strv_free(m->environment);
- m->environment = e;
+ if (!strv_isempty(minus)) {
+ a = strv_env_delete(l, 1, minus);
+ if (!a)
+ return -ENOMEM;
+
+ l = a;
+ }
+
+ if (!strv_isempty(plus)) {
+ b = strv_env_merge(2, l, plus);
+ if (!b)
+ return -ENOMEM;
+
+ l = b;
+ }
+
+ if (m->environment != l)
+ strv_free(m->environment);
+ if (a != l)
+ strv_free(a);
+ if (b != l)
+ strv_free(b);
+
+ m->environment = l;
+ manager_clean_environment(m);
+ strv_sort(m->environment);
return 0;
}
assert(m);
- for (i = 0; i < RLIMIT_NLIMITS; i++) {
+ for (i = 0; i < _RLIMIT_MAX; i++) {
if (!default_rlimit[i])
continue;
log_open();
}
-void manager_set_show_status(Manager *m, bool b) {
+void manager_set_show_status(Manager *m, ShowStatus mode) {
assert(m);
+ assert(IN_SET(mode, SHOW_STATUS_AUTO, SHOW_STATUS_NO, SHOW_STATUS_YES, SHOW_STATUS_TEMPORARY));
if (m->running_as != SYSTEMD_SYSTEM)
return;
- m->show_status = b;
+ m->show_status = mode;
- if (b)
+ if (mode > 0)
touch("/run/systemd/show-status");
else
unlink("/run/systemd/show-status");
if (m->no_console_output)
return false;
- if (m->show_status)
+ if (!IN_SET(manager_state(m), MANAGER_STARTING, MANAGER_STOPPING))
+ return false;
+
+ if (m->show_status > 0)
return true;
/* If Plymouth is running make sure we show the status, so
if (ephemeral && m->n_on_console > 0)
return;
- if (!manager_is_booting_or_shutting_down(m))
- return;
-
va_start(ap, format);
status_vprintf(status, true, ephemeral, format, ap);
va_end(ap);
return hashmap_get(m->units_requiring_mounts_for, streq(p, "/") ? "" : p);
}
-void watch_init(Watch *w) {
- assert(w);
+const char *manager_get_runtime_prefix(Manager *m) {
+ assert(m);
+
+ return m->running_as == SYSTEMD_SYSTEM ?
+ "/run" :
+ getenv("XDG_RUNTIME_DIR");
+}
+
+ManagerState manager_state(Manager *m) {
+ Unit *u;
+
+ assert(m);
+
+ /* Did we ever finish booting? If not then we are still starting up */
+ if (!dual_timestamp_is_set(&m->finish_timestamp))
+ return MANAGER_STARTING;
- w->type = WATCH_INVALID;
- w->fd = -1;
+ /* Is the special shutdown target queued? If so, we are in shutdown state */
+ u = manager_get_unit(m, SPECIAL_SHUTDOWN_TARGET);
+ if (u && u->job && IN_SET(u->job->type, JOB_START, JOB_RESTART, JOB_TRY_RESTART, JOB_RELOAD_OR_START))
+ return MANAGER_STOPPING;
+
+ /* Are the rescue or emergency targets active or queued? If so we are in maintenance state */
+ u = manager_get_unit(m, SPECIAL_RESCUE_TARGET);
+ if (u && (UNIT_IS_ACTIVE_OR_ACTIVATING(unit_active_state(u)) ||
+ (u->job && IN_SET(u->job->type, JOB_START, JOB_RESTART, JOB_TRY_RESTART, JOB_RELOAD_OR_START))))
+ return MANAGER_MAINTENANCE;
+
+ u = manager_get_unit(m, SPECIAL_EMERGENCY_TARGET);
+ if (u && (UNIT_IS_ACTIVE_OR_ACTIVATING(unit_active_state(u)) ||
+ (u->job && IN_SET(u->job->type, JOB_START, JOB_RESTART, JOB_TRY_RESTART, JOB_RELOAD_OR_START))))
+ return MANAGER_MAINTENANCE;
+
+ /* Are there any failed units? If so, we are in degraded mode */
+ if (set_size(m->failed_units) > 0)
+ return MANAGER_DEGRADED;
+
+ return MANAGER_RUNNING;
}
+
+static const char *const manager_state_table[_MANAGER_STATE_MAX] = {
+ [MANAGER_STARTING] = "starting",
+ [MANAGER_RUNNING] = "running",
+ [MANAGER_DEGRADED] = "degraded",
+ [MANAGER_MAINTENANCE] = "maintenance",
+ [MANAGER_STOPPING] = "stopping",
+};
+
+DEFINE_STRING_TABLE_LOOKUP(manager_state, ManagerState);