#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 <sys/types.h>
#include <sys/stat.h>
#include <dirent.h>
+#include <sys/timerfd.h>
#ifdef HAVE_AUDIT
#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 "util.h"
#include "mkdir.h"
#include "ratelimit.h"
-#include "cgroup.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 "cgroup-util.h"
#include "path-util.h"
#include "audit-fd.h"
-
-/* As soon as 16 units are in our GC queue, make sure to run a gc sweep */
-#define GC_QUEUE_ENTRIES_MAX 16
+#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_PERIOD_DIVISOR 3
+
/* Where clients shall send notification messages to */
#define NOTIFY_SOCKET "@/org/freedesktop/systemd1/notify"
-static int manager_setup_notify(Manager *m) {
- union {
- struct sockaddr sa;
- struct sockaddr_un un;
- } sa;
- struct epoll_event ev;
- int one = 1;
+#define TIME_T_MAX (time_t)((1UL << ((sizeof(time_t) << 3) - 1)) - 1)
+
+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) {
assert(m);
- 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 (m->jobs_in_progress_event_source)
+ return 0;
- zero(sa);
- sa.sa.sa_family = AF_UNIX;
+ return sd_event_add_monotonic(m->event, JOBS_IN_PROGRESS_WAIT_SEC, 0, manager_dispatch_jobs_in_progress, m, &m->jobs_in_progress_event_source);
+}
- 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));
+#define CYLON_BUFFER_EXTRA (2*(sizeof(ANSI_RED_ON)-1) + sizeof(ANSI_HIGHLIGHT_RED_ON)-1 + 2*(sizeof(ANSI_HIGHLIGHT_OFF)-1))
- sa.un.sun_path[0] = 0;
+static void draw_cylon(char buffer[], size_t buflen, unsigned width, unsigned pos) {
+ char *p = buffer;
- 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;
+ assert(buflen >= CYLON_BUFFER_EXTRA + width + 1);
+ assert(pos <= width+1); /* 0 or width+1 mean that the center light is behind the corner */
+
+ if (pos > 1) {
+ if (pos > 2)
+ p = mempset(p, ' ', pos-2);
+ p = stpcpy(p, ANSI_RED_ON);
+ *p++ = '*';
}
- if (setsockopt(m->notify_watch.fd, SOL_SOCKET, SO_PASSCRED, &one, sizeof(one)) < 0) {
- log_error("SO_PASSCRED failed: %m");
- return -errno;
+ if (pos > 0 && pos <= width) {
+ p = stpcpy(p, ANSI_HIGHLIGHT_RED_ON);
+ *p++ = '*';
}
- zero(ev);
- ev.events = EPOLLIN;
- ev.data.ptr = &m->notify_watch;
+ p = stpcpy(p, ANSI_HIGHLIGHT_OFF);
+
+ if (pos < width) {
+ p = stpcpy(p, ANSI_RED_ON);
+ *p++ = '*';
+ if (pos < width-1)
+ p = mempset(p, ' ', width-1-pos);
+ strcpy(p, ANSI_HIGHLIGHT_OFF);
+ }
+}
+
+static void manager_print_jobs_in_progress(Manager *m) {
+ _cleanup_free_ char *job_of_n = NULL;
+ Iterator i;
+ Job *j;
+ unsigned counter = 0, print_nr;
+ char cylon[6 + CYLON_BUFFER_EXTRA + 1];
+ unsigned cylon_pos;
+
+ assert(m);
+
+ print_nr = (m->jobs_in_progress_iteration / JOBS_IN_PROGRESS_PERIOD_DIVISOR) % m->n_running_jobs;
+
+ HASHMAP_FOREACH(j, m->jobs, i)
+ if (j->state == JOB_RUNNING && counter++ == print_nr)
+ break;
+
+ /* m->n_running_jobs must be consistent with the contents of m->jobs,
+ * so the above loop must have succeeded in finding j. */
+ assert(counter == print_nr + 1);
+ assert(j);
+
+ cylon_pos = m->jobs_in_progress_iteration % 14;
+ if (cylon_pos >= 8)
+ cylon_pos = 14 - cylon_pos;
+ draw_cylon(cylon, sizeof(cylon), 6, cylon_pos);
+
+ 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));
+
+ m->jobs_in_progress_iteration++;
+}
+
+static int manager_watch_idle_pipe(Manager *m) {
+ int r;
+
+ assert(m);
+
+ if (m->idle_pipe_event_source)
+ return 0;
+
+ if (m->idle_pipe[2] < 0)
+ return 0;
+
+ r = sd_event_add_io(m->event, m->idle_pipe[2], EPOLLIN, manager_dispatch_idle_pipe_fd, m, &m->idle_pipe_event_source);
+ if (r < 0) {
+ log_error("Failed to watch idle pipe: %s", strerror(-r));
+ return r;
+ }
+
+ return 0;
+}
+
+static void manager_close_idle_pipe(Manager *m) {
+ assert(m);
+
+ close_pipe(m->idle_pipe);
+ close_pipe(m->idle_pipe + 2);
+}
+
+static int manager_setup_time_change(Manager *m) {
+ 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(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 */
- if (epoll_ctl(m->epoll_fd, EPOLL_CTL_ADD, m->notify_watch.fd, &ev) < 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;
+ }
- sa.un.sun_path[0] = '@';
- m->notify_socket = strdup(sa.un.sun_path);
- if (!m->notify_socket)
- return -ENOMEM;
+ 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_fd);
+ m->time_change_fd = -1;
+ return 0;
+ }
- log_debug("Using notification socket %s", m->notify_socket);
+ r = sd_event_add_io(m->event, m->time_change_fd, EPOLLIN, manager_dispatch_time_change_fd, m, &m->time_change_event_source);
+ 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.");
return 0;
}
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) {
+ struct sigaction sa = {
+ .sa_handler = SIG_DFL,
+ .sa_flags = SA_NOCLDSTOP|SA_RESTART,
+ };
sigset_t mask;
- struct epoll_event ev;
- struct sigaction sa;
+ int r;
assert(m);
/* We are not interested in SIGSTOP and friends. */
- zero(sa);
- sa.sa_handler = SIG_DFL;
- sa.sa_flags = SA_NOCLDSTOP|SA_RESTART;
assert_se(sigaction(SIGCHLD, &sa, NULL) == 0);
assert_se(sigemptyset(&mask) == 0);
SIGRTMIN+21, /* systemd: disable status messages */
SIGRTMIN+22, /* systemd: set log level to LOG_DEBUG */
SIGRTMIN+23, /* systemd: set log level to LOG_INFO */
+ SIGRTMIN+24, /* systemd: Immediate exit (--user only) */
SIGRTMIN+26, /* systemd: set log target to journal-or-kmsg */
SIGRTMIN+27, /* systemd: set log target to console */
SIGRTMIN+28, /* systemd: set log target to kmsg */
-1);
assert_se(sigprocmask(SIG_SETMASK, &mask, NULL) == 0);
- m->signal_watch.type = WATCH_SIGNAL;
- if ((m->signal_watch.fd = signalfd(-1, &mask, SFD_NONBLOCK|SFD_CLOEXEC)) < 0)
+ m->signal_fd = signalfd(-1, &mask, SFD_NONBLOCK|SFD_CLOEXEC);
+ if (m->signal_fd < 0)
return -errno;
- zero(ev);
- ev.events = EPOLLIN;
- ev.data.ptr = &m->signal_watch;
+ r = sd_event_add_io(m->event, m->signal_fd, EPOLLIN, manager_dispatch_signal_fd, m, &m->signal_event_source);
+ if (r < 0)
+ return r;
- if (epoll_ctl(m->epoll_fd, EPOLL_CTL_ADD, m->signal_watch.fd, &ev) < 0)
- return -errno;
+ /* 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_strip_environment(Manager *m) {
+static int manager_default_environment(Manager *m) {
assert(m);
- /* Remove variables from the inherited set that are part of
- * the container interface:
- * http://www.freedesktop.org/wiki/Software/systemd/ContainerInterface */
- strv_remove_prefix(m->environment, "container=");
- strv_remove_prefix(m->environment, "container_");
+ if (m->running_as == SYSTEMD_SYSTEM) {
+ /* The system manager always starts with a clean
+ * environment for its children. It does not import
+ * the kernel or the parents exported variables.
+ *
+ * The initial passed environ is untouched to keep
+ * /proc/self/environ valid; it is used for tagging
+ * the init process inside containers. */
+ m->environment = strv_new("PATH=" DEFAULT_PATH,
+ NULL);
+
+ /* Import locale variables LC_*= from configuration */
+ locale_setup(&m->environment);
+ } else
+ /* The user manager passes its own environment
+ * along to its children. */
+ m->environment = strv_copy(environ);
- /* Remove variables from the inherited set that are part of
- * the initrd interface:
- * http://www.freedesktop.org/wiki/Software/systemd/InitrdInterface */
- strv_remove_prefix(m->environment, "RD_");
+ if (!m->environment)
+ return -ENOMEM;
+
+ strv_sort(m->environment);
+
+ return 0;
}
int manager_new(SystemdRunningAs running_as, Manager **_m) {
Manager *m;
- int r = -ENOMEM;
+ int r;
assert(_m);
assert(running_as >= 0);
if (!m)
return -ENOMEM;
- dual_timestamp_get(&m->userspace_timestamp);
+#ifdef ENABLE_EFI
+ if (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] = -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->idle_pipe[0] = m->idle_pipe[1] = m->idle_pipe[2] = m->idle_pipe[3] = -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 */
- m->environment = strv_copy(environ);
- if (!m->environment)
+ r = manager_default_environment(m);
+ if (r < 0)
goto fail;
- manager_strip_environment(m);
+ r = hashmap_ensure_allocated(&m->units, string_hash_func, string_compare_func);
+ if (r < 0)
+ goto fail;
- if (running_as == SYSTEMD_SYSTEM) {
- m->default_controllers = strv_new("cpu", NULL);
- if (!m->default_controllers)
- goto fail;
- }
+ r = hashmap_ensure_allocated(&m->jobs, trivial_hash_func, trivial_compare_func);
+ if (r < 0)
+ goto fail;
- if (!(m->units = hashmap_new(string_hash_func, string_compare_func)))
+ r = hashmap_ensure_allocated(&m->cgroup_unit, 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->watch_pids, 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->watch_bus, string_hash_func, string_compare_func);
+ if (r < 0)
goto fail;
- if (!(m->cgroup_bondings = hashmap_new(string_hash_func, string_compare_func)))
+ r = sd_event_default(&m->event);
+ if (r < 0)
goto fail;
- if (!(m->watch_bus = hashmap_new(string_hash_func, string_compare_func)))
+ r = sd_event_add_defer(m->event, manager_dispatch_run_queue, m, &m->run_queue_event_source);
+ if (r < 0)
goto fail;
- if ((m->epoll_fd = epoll_create1(EPOLL_CLOEXEC)) < 0)
+ r = sd_event_source_set_priority(m->run_queue_event_source, SD_EVENT_PRIORITY_IDLE);
+ if (r < 0)
goto fail;
- if ((r = manager_setup_signals(m)) < 0)
+ r = sd_event_source_set_enabled(m->run_queue_event_source, SD_EVENT_OFF);
+ if (r < 0)
goto fail;
- if ((r = manager_setup_cgroup(m)) < 0)
+ r = manager_setup_signals(m);
+ if (r < 0)
goto fail;
- if ((r = manager_setup_notify(m)) < 0)
+ r = manager_setup_cgroup(m);
+ if (r < 0)
goto fail;
- /* Try to connect to the busses, if possible. */
- if ((r = bus_init(m, running_as != SYSTEMD_SYSTEM)) < 0)
+ 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) {
+ union {
+ struct sockaddr sa;
+ struct sockaddr_un un;
+ } sa = {
+ .sa.sa_family = AF_UNIX,
+ };
+ int one = 1, r;
+
+ if (m->notify_fd < 0) {
+ _cleanup_close_ int fd = -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 (getpid() != 1 || detect_container(NULL) > 0)
+ snprintf(sa.un.sun_path, sizeof(sa.un.sun_path), NOTIFY_SOCKET "/%" PRIx64, random_u64());
+ else
+ strncpy(sa.un.sun_path, NOTIFY_SOCKET, sizeof(sa.un.sun_path));
+ sa.un.sun_path[0] = 0;
+
+ r = bind(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(fd, SOL_SOCKET, SO_PASSCRED, &one, sizeof(one));
+ if (r < 0) {
+ log_error("SO_PASSCRED failed: %m");
+ return -errno;
+ }
+
+ sa.un.sun_path[0] = '@';
+ m->notify_socket = strdup(sa.un.sun_path);
+ if (!m->notify_socket)
+ return log_oom();
+
+ 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_fd, EPOLLIN, manager_dispatch_notify_fd, m, &m->notify_event_source);
+ 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) {
+ _cleanup_free_ char *p = NULL;
+
+ assert(m);
+
+#ifdef ENABLE_KDBUS
+ if (m->kdbus_fd >= 0)
+ return 0;
+
+ /* If there's already a bus address set, don't set up kdbus */
+ if (m->running_as == SYSTEMD_USER && getenv("DBUS_SESSION_BUS_ADDRESS"))
+ 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. */
+ mkdir_p_label("/dev/kdbus/ns", 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;
assert(m);
- if ((m->n_in_gc_queue < GC_QUEUE_ENTRIES_MAX) &&
- (m->gc_queue_timestamp <= 0 ||
- (m->gc_queue_timestamp + GC_QUEUE_USEC_MAX) > now(CLOCK_MONOTONIC)))
- return 0;
-
- log_debug("Running GC...");
+ /* log_debug("Running GC..."); */
m->gc_marker += _GC_OFFSET_MAX;
if (m->gc_marker + _GC_OFFSET_MAX <= _GC_OFFSET_MAX)
unit_gc_sweep(u, gc_marker);
- LIST_REMOVE(Unit, gc_queue, m->gc_queue, u);
+ LIST_REMOVE(gc_queue, m->gc_queue, u);
u->in_gc_queue = false;
n++;
if (u->gc_marker == gc_marker + GC_OFFSET_BAD ||
u->gc_marker == gc_marker + GC_OFFSET_UNSURE) {
- log_debug("Collecting %s", u->id);
+ log_debug_unit(u->id, "Collecting %s", u->id);
u->gc_marker = gc_marker + GC_OFFSET_BAD;
unit_add_to_cleanup_queue(u);
}
}
m->n_in_gc_queue = 0;
- m->gc_queue_timestamp = 0;
return n;
}
assert(hashmap_isempty(m->jobs));
assert(hashmap_isempty(m->units));
+
+ m->n_on_console = 0;
+ m->n_running_jobs = 0;
}
void manager_free(Manager *m) {
hashmap_free(m->watch_pids);
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);
+ 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);
+
+ if (m->signal_fd >= 0)
+ close_nointr_nofail(m->signal_fd);
+ if (m->notify_fd >= 0)
+ close_nointr_nofail(m->notify_fd);
+ if (m->time_change_fd >= 0)
+ close_nointr_nofail(m->time_change_fd);
+ if (m->kdbus_fd >= 0)
+ close_nointr_nofail(m->kdbus_fd);
+
+ manager_close_idle_pipe(m);
+
+ udev_unref(m->udev);
+ sd_event_unref(m->event);
free(m->notify_socket);
lookup_paths_free(&m->lookup_paths);
strv_free(m->environment);
- strv_free(m->default_controllers);
-
- hashmap_free(m->cgroup_bondings);
+ hashmap_free(m->cgroup_unit);
set_free_free(m->unit_path_cache);
- close_pipe(m->idle_pipe);
-
free(m->switch_root);
free(m->switch_root_init);
for (i = 0; i < RLIMIT_NLIMITS; i++)
free(m->rlimit[i]);
+ assert(hashmap_isempty(m->units_requiring_mounts_for));
+ hashmap_free(m->units_requiring_mounts_for);
+
free(m);
}
/* Let's ask every type to load all units from disk/kernel
* that it might know */
for (c = 0; c < _UNIT_TYPE_MAX; c++)
- if (unit_vtable[c]->enumerate)
- if ((q = unit_vtable[c]->enumerate(m)) < 0)
+ if (unit_vtable[c]->enumerate) {
+ q = unit_vtable[c]->enumerate(m);
+ if (q < 0)
r = q;
+ }
manager_dispatch_load_queue(m);
return r;
}
-int manager_coldplug(Manager *m) {
+static int manager_coldplug(Manager *m) {
int r = 0, q;
Iterator i;
Unit *u;
static void manager_build_unit_path_cache(Manager *m) {
char **i;
- DIR *d = NULL;
+ _cleanup_free_ DIR *d = NULL;
int r;
assert(m);
set_free_free(m->unit_path_cache);
- if (!(m->unit_path_cache = set_new(string_hash_func, string_compare_func))) {
+ m->unit_path_cache = set_new(string_hash_func, string_compare_func);
+ if (!m->unit_path_cache) {
log_error("Failed to allocate unit path cache.");
return;
}
STRV_FOREACH(i, m->lookup_paths.unit_path) {
struct dirent *de;
- if (!(d = opendir(*i))) {
- log_error("Failed to open directory: %m");
+ d = opendir(*i);
+ if (!d) {
+ if (errno != ENOENT)
+ log_error("Failed to open directory %s: %m", *i);
continue;
}
goto fail;
}
- if ((r = set_put(m->unit_path_cache, p)) < 0) {
- free(p);
+ r = set_consume(m->unit_path_cache, p);
+ if (r < 0)
goto fail;
- }
}
closedir(d);
set_free_free(m->unit_path_cache);
m->unit_path_cache = NULL;
+}
- if (d)
- closedir(d);
+
+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) {
assert(m);
+ dual_timestamp_get(&m->generators_start_timestamp);
manager_run_generators(m);
+ dual_timestamp_get(&m->generators_finish_timestamp);
r = lookup_paths_init(
&m->lookup_paths, m->running_as, true,
m->n_reloading ++;
/* First, enumerate what we can from all config files */
+ dual_timestamp_get(&m->units_load_start_timestamp);
r = manager_enumerate(m);
+ dual_timestamp_get(&m->units_load_finish_timestamp);
/* Second, deserialize if there is something to deserialize */
if (serialization) {
r = q;
}
+ /* Any fds left? Find some unit which wants them. This is
+ * useful to allow container managers to pass some file
+ * descriptors to us pre-initialized. This enables
+ * socket-based activation of entire containers. */
+ if (fdset_size(fds) > 0) {
+ q = manager_distribute_fds(m, fds);
+ if (q < 0)
+ 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);
+
/* Third, fire things up! */
q = manager_coldplug(m);
if (q < 0)
if (serialization) {
assert(m->n_reloading > 0);
m->n_reloading --;
+
+ /* Let's wait for the UnitNew/JobNew messages being
+ * sent, before we notify that the reload is
+ * finished */
+ m->send_reloading_done = true;
}
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;
}
- log_debug("Trying to enqueue job %s/%s/%s", unit->id, job_type_to_string(type), job_mode_to_string(mode));
+ log_debug_unit(unit->id,
+ "Trying to enqueue job %s/%s/%s", unit->id,
+ job_type_to_string(type), job_mode_to_string(mode));
job_type_collapse(&type, unit);
- tr = transaction_new();
+ tr = transaction_new(mode == JOB_REPLACE_IRREVERSIBLY);
if (!tr)
return -ENOMEM;
if (r < 0)
goto tr_abort;
- log_debug("Enqueued job %s/%s as %u", unit->id, job_type_to_string(type), (unsigned) tr->anchor_job->id);
+ log_debug_unit(unit->id,
+ "Enqueued job %s/%s as %u", unit->id,
+ job_type_to_string(type), (unsigned) tr->anchor_job->id);
if (_ret)
*_ret = tr->anchor_job;
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;
return n;
}
-int manager_load_unit_prepare(Manager *m, const char *name, const char *path, DBusError *e, Unit **_ret) {
+int manager_load_unit_prepare(
+ Manager *m,
+ const char *name,
+ const char *path,
+ sd_bus_error *e,
+ Unit **_ret) {
+
Unit *ret;
UnitType t;
int r;
/* 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) {
}
}
- if ((r = unit_add_name(ret, name)) < 0) {
+ r = unit_add_name(ret, name);
+ if (r < 0) {
unit_free(ret);
return r;
}
return 0;
}
-int manager_load_unit(Manager *m, const char *name, const char *path, DBusError *e, Unit **_ret) {
+int manager_load_unit(
+ Manager *m,
+ const char *name,
+ const char *path,
+ sd_bus_error *e,
+ Unit **_ret) {
+
int r;
assert(m);
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;
- return n;
+ if (m->n_running_jobs > 0)
+ manager_watch_jobs_in_progress(m);
+
+ if (m->n_on_console > 0)
+ manager_watch_idle_pipe(m);
+
+ return 1;
}
-unsigned manager_dispatch_dbus_queue(Manager *m) {
+static unsigned manager_dispatch_dbus_queue(Manager *m) {
Job *j;
Unit *u;
unsigned n = 0;
}
m->dispatching_dbus_queue = false;
+
+ if (m->send_reloading_done) {
+ m->send_reloading_done = 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 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];
- struct msghdr msghdr;
- struct iovec iovec;
- struct ucred *ucred;
+ struct iovec iovec = {
+ .iov_base = buf,
+ .iov_len = sizeof(buf)-1,
+ };
+
union {
struct cmsghdr cmsghdr;
uint8_t buf[CMSG_SPACE(sizeof(struct ucred))];
- } control;
+ } control = {};
+
+ struct msghdr msghdr = {
+ .msg_iov = &iovec,
+ .msg_iovlen = 1,
+ .msg_control = &control,
+ .msg_controllen = sizeof(control),
+ };
+ struct ucred *ucred;
Unit *u;
- char **tags;
-
- zero(iovec);
- iovec.iov_base = buf;
- iovec.iov_len = sizeof(buf)-1;
-
- zero(control);
- zero(msghdr);
- msghdr.msg_iov = &iovec;
- msghdr.msg_iovlen = 1;
- msghdr.msg_control = &control;
- msghdr.msg_controllen = sizeof(control);
+ _cleanup_strv_free_ char **tags = NULL;
- if ((n = recvmsg(m->notify_watch.fd, &msghdr, MSG_DONTWAIT)) <= 0) {
- if (n >= 0)
+ n = recvmsg(m->notify_fd, &msghdr, MSG_DONTWAIT);
+ if (n <= 0) {
+ if (n == 0)
return -EIO;
if (errno == EAGAIN || errno == EINTR)
ucred = (struct ucred*) CMSG_DATA(&control.cmsghdr);
- if (!(u = hashmap_get(m->watch_pids, LONG_TO_PTR(ucred->pid))))
- if (!(u = cgroup_unit_by_pid(m, ucred->pid))) {
+ 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;
- if (!(tags = strv_split(buf, "\n\r")))
- return -ENOMEM;
+ tags = strv_split(buf, "\n\r");
+ if (!tags)
+ return log_oom();
- log_debug("Got notification message for unit %s", u->id);
+ 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, ucred->pid, tags);
-
- strv_free(tags);
}
return 0;
assert(m);
for (;;) {
- siginfo_t si;
+ siginfo_t si = {};
Unit *u;
- int r;
-
- zero(si);
/* First we call waitd() for a PID and do not reap the
* zombie. That way we can still access /proc/$PID for
break;
if (si.si_code == CLD_EXITED || si.si_code == CLD_KILLED || si.si_code == CLD_DUMPED) {
- char *name = NULL;
+ _cleanup_free_ char *name = NULL;
get_process_comm(si.si_pid, &name);
log_debug("Got SIGCHLD for process %lu (%s)", (unsigned long) si.si_pid, strna(name));
- free(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. */
- if ((r = manager_process_notify_fd(m)) < 0)
- return r;
-
/* And now figure out the unit this belongs to */
- if (!(u = hashmap_get(m->watch_pids, LONG_TO_PTR(si.si_pid))))
- u = cgroup_unit_by_pid(m, si.si_pid);
+ u = hashmap_get(m->watch_pids, LONG_TO_PTR(si.si_pid));
+ if (!u)
+ u = manager_get_unit_by_pid(m, si.si_pid);
/* And now, we actually reap the zombie. */
if (waitid(P_PID, si.si_pid, &si, WEXITED) < 0) {
if (!u)
continue;
- log_debug("Child %lu belongs to %s", (long unsigned) si.si_pid, u->id);
+ 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);
}
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("Activating special unit %s", name);
+ log_debug_unit(name, "Activating special unit %s", name);
- if ((r = manager_add_job_by_name(m, JOB_START, name, mode, true, &error, NULL)) < 0)
- log_error("Failed to enqueue %s job: %s", name, bus_error(&error, r));
-
- dbus_error_free(&error);
+ 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_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 (;;) {
- if ((n = read(m->signal_watch.fd, &sfsi, sizeof(sfsi))) != sizeof(sfsi)) {
+ n = read(m->signal_fd, &sfsi, sizeof(sfsi));
+ if (n != sizeof(sfsi)) {
if (n >= 0)
return -EIO;
case SIGINT:
if (m->running_as == SYSTEMD_SYSTEM) {
- manager_start_target(m, SPECIAL_CTRL_ALT_DEL_TARGET, JOB_REPLACE);
+ manager_start_target(m, SPECIAL_CTRL_ALT_DEL_TARGET, JOB_REPLACE_IRREVERSIBLY);
break;
}
}
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);
-
break;
}
log_notice("Setting log level to info.");
break;
+ case 24:
+ if (m->running_as == SYSTEMD_USER) {
+ m->exit_code = MANAGER_EXIT;
+ return 0;
+ }
+
+ /* This is a nop on init */
+ break;
+
case 26:
log_set_target(LOG_TARGET_JOURNAL_OR_KMSG);
log_notice("Setting log target to journal-or-kmsg.");
}
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_se(w = ev->data.ptr);
+ assert(m->time_change_fd == fd);
- if (w->type == WATCH_INVALID)
- return 0;
+ log_struct(LOG_INFO,
+ MESSAGE_ID(SD_MESSAGE_TIME_CHANGE),
+ "MESSAGE=Time has been changed",
+ NULL);
- switch (w->type) {
+ /* Restart the watch */
+ m->time_change_event_source = sd_event_source_unref(m->time_change_event_source);
- case WATCH_SIGNAL:
+ close_nointr_nofail(m->time_change_fd);
+ m->time_change_fd = -1;
- /* An incoming signal? */
- if (ev->events != EPOLLIN)
- return -EINVAL;
+ manager_setup_time_change(m);
- 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;
-
- case WATCH_UNIT_TIMER:
- case WATCH_JOB_TIMER: {
- uint64_t v;
- ssize_t k;
-
- /* Some timer event, to be dispatched to the units */
- if ((k = read(w->fd, &v, sizeof(v))) != sizeof(v)) {
-
- if (k < 0 && (errno == EINTR || errno == EAGAIN))
- break;
+ HASHMAP_FOREACH(u, m->units, i)
+ if (UNIT_VTABLE(u)->time_change)
+ UNIT_VTABLE(u)->time_change(u);
- return k < 0 ? -errno : -EIO;
- }
+ return 0;
+}
- 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;
- }
+static int manager_dispatch_idle_pipe_fd(sd_event_source *source, int fd, uint32_t revents, void *userdata) {
+ Manager *m = userdata;
- case WATCH_MOUNT:
- /* Some mount table change, intended for the mount subsystem */
- mount_fd_event(m, ev->events);
- break;
+ assert(m);
+ assert(m->idle_pipe[2] == fd);
- case WATCH_SWAP:
- /* Some swap table change, intended for the swap subsystem */
- swap_fd_event(m, ev->events);
- break;
+ m->no_console_output = m->n_on_console > 0;
- case WATCH_UDEV:
- /* Some notification from udev, intended for the device subsystem */
- device_fd_event(m, ev->events);
- break;
+ m->idle_pipe_event_source = sd_event_source_unref(m->idle_pipe_event_source);
+ manager_close_idle_pipe(m);
- 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_jobs_in_progress(sd_event_source *source, usec_t usec, void *userdata) {
+ Manager *m = userdata;
- default:
- log_error("event type=%i", w->type);
- assert_not_reached("Unknown epoll event type.");
- }
+ assert(m);
+ manager_print_jobs_in_progress(m);
return 0;
}
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;
+ usec_t wait_usec;
if (m->runtime_watchdog > 0 && m->running_as == SYSTEMD_SYSTEM)
watchdog_ping();
if (manager_dispatch_load_queue(m) > 0)
continue;
- if (manager_dispatch_run_queue(m) > 0)
- continue;
-
- if (bus_dispatch(m) > 0)
+ if (manager_dispatch_gc_queue(m) > 0)
continue;
if (manager_dispatch_cleanup_queue(m) > 0)
continue;
- if (manager_dispatch_gc_queue(m) > 0)
+ if (manager_dispatch_cgroup_queue(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;
-
- n = epoll_wait(m->epoll_fd, &event, 1, wait_msec);
- if (n < 0) {
-
- if (errno == EINTR)
- continue;
+ wait_usec = (usec_t) -1;
- 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) {
- char *n;
+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;
assert(s);
assert(_u);
- if (!startswith(s, "/org/freedesktop/systemd1/unit/"))
- return -EINVAL;
-
- n = bus_path_unescape(s+31);
- if (!n)
- return -ENOMEM;
+ r = unit_name_from_dbus_path(s, &n);
+ if (r < 0)
+ return r;
r = manager_load_unit(m, n, NULL, e, &u);
- free(n);
-
if (r < 0)
return 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;
- if ((r = safe_atou(s + 30, &id)) < 0)
+ r = safe_atou(p, &id);
+ if (r < 0)
return r;
- if (!(j = manager_get_job(m, id)))
+ j = manager_get_job(m, id);
+ if (!j)
return -ENOENT;
*_j = j;
if (u->type != UNIT_SERVICE)
return;
- if (!(p = unit_name_to_prefix_and_instance(u->id))) {
- log_error("Failed to allocate unit name for audit message: %s", strerror(ENOMEM));
+ p = unit_name_to_prefix_and_instance(u->id);
+ if (!p) {
+ log_error_unit(u->id,
+ "Failed to allocate unit name for audit message: %s", strerror(ENOMEM));
return;
}
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)
/* 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) {
+ fd = socket(AF_UNIX, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0);
+ if (fd < 0) {
log_error("socket() failed: %m");
return;
}
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;
- mode_t saved_umask;
- int fd;
+ _cleanup_free_ char *path = NULL;
+ int fd = -1;
FILE *f;
assert(_f);
if (!path)
return -ENOMEM;
- saved_umask = umask(0077);
- fd = mkostemp(path, O_RDWR|O_CLOEXEC);
- umask(saved_umask);
+ RUN_WITH_UMASK(0077) {
+ fd = mkostemp(path, O_RDWR|O_CLOEXEC);
+ }
- if (fd < 0) {
- free(path);
+ if (fd < 0)
return -errno;
- }
unlink(path);
-
log_debug("Serializing state to %s", path);
- free(path);
- if (!(f = fdopen(fd, "w+")))
+ f = fdopen(fd, "w+");
+ if (!f) {
+ close_nointr_nofail(fd);
return -errno;
+ }
*_f = f;
return 0;
}
-int manager_serialize(Manager *m, FILE *f, FDSet *fds, bool serialize_jobs) {
+int manager_serialize(Manager *m, FILE *f, FDSet *fds, bool switching_root) {
Iterator i;
Unit *u;
const char *t;
+ char **e;
int r;
assert(m);
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) {
+ STRV_FOREACH(e, m->environment) {
+ _cleanup_free_ char *ce;
+
+ ce = cescape(*e);
+ if (!ce)
+ return -ENOMEM;
+
+ fprintf(f, "env=%s\n", *e);
+ }
+ }
+
+ 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_serialize(m, f);
+
fputc('\n', f);
HASHMAP_FOREACH_KEY(u, t, m->units, i) {
fputs(u->id, f);
fputc('\n', f);
- if ((r = unit_serialize(u, f, fds, serialize_jobs)) < 0) {
+ r = unit_serialize(u, f, fds, !switching_root);
+ if (r < 0) {
m->n_reloading --;
return r;
}
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
+ 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;
+
+ uce = cunescape(l+4);
+ if (!uce) {
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ e = strv_env_set(m->environment, uce);
+ if (!e) {
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ strv_free(m->environment);
+ m->environment = e;
+
+ } 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 {
+ if (m->notify_fd >= 0) {
+ m->notify_event_source = sd_event_source_unref(m->notify_event_source);
+ close_nointr_nofail(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 {
+ if (m->kdbus_fd >= 0)
+ close_nointr_nofail(m->kdbus_fd);
+
+ m->kdbus_fd = fdset_remove(fds, fd);
+ }
+
+ } else if (bus_deserialize_item(m, l) == 0)
log_debug("Unknown serialization item '%s'", l);
}
char_array_0(name);
- if ((r = manager_load_unit(m, strstrip(name), NULL, NULL, &u)) < 0)
+ r = manager_load_unit(m, strstrip(name), NULL, NULL, &u);
+ if (r < 0)
goto finish;
- if ((r = unit_deserialize(u, f, fds)) < 0)
+ r = unit_deserialize(u, f, fds);
+ if (r < 0)
goto finish;
}
finish:
- if (ferror(f)) {
+ if (ferror(f))
r = -EIO;
- goto finish;
- }
assert(m->n_reloading > 0);
m->n_reloading --;
int manager_reload(Manager *m) {
int r, q;
- FILE *f;
- FDSet *fds;
+ _cleanup_fclose_ FILE *f = NULL;
+ _cleanup_fdset_free_ FDSet *fds = NULL;
assert(m);
return r;
m->n_reloading ++;
+ bus_manager_send_reloading(m, true);
fds = fdset_new();
if (!fds) {
m->n_reloading --;
- r = -ENOMEM;
- goto finish;
+ return -ENOMEM;
}
- r = manager_serialize(m, f, fds, true);
+ r = manager_serialize(m, f, fds, false);
if (r < 0) {
m->n_reloading --;
- goto finish;
+ return r;
}
if (fseeko(f, 0, SEEK_SET) < 0) {
m->n_reloading --;
- r = -errno;
- goto finish;
+ return -errno;
}
/* From here on there is no way back. */
assert(m->n_reloading > 0);
m->n_reloading--;
-finish:
- if (f)
- fclose(f);
-
- if (fds)
- fdset_free(fds);
+ m->send_reloading_done = true;
return r;
}
-bool manager_is_booting_or_shutting_down(Manager *m) {
+static bool manager_is_booting_or_shutting_down(Manager *m) {
Unit *u;
assert(m);
return false;
}
+bool manager_is_reloading_or_reexecuting(Manager *m) {
+ assert(m);
+
+ return m->n_reloading != 0;
+}
+
void manager_reset_failed(Manager *m) {
Unit *u;
Iterator i;
unit_reset_failed(u);
}
-bool manager_unit_pending_inactive(Manager *m, const char *name) {
+bool manager_unit_inactive_or_pending(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)))
+ u = manager_get_unit(m, name);
+ if (!u)
return true;
- return unit_pending_inactive(u);
+ return unit_inactive_or_pending(u);
}
void manager_check_finished(Manager *m) {
assert(m);
- if (hashmap_size(m->jobs) > 0)
+ if (m->n_running_jobs == 0)
+ m->jobs_in_progress_event_source = sd_event_source_unref(m->jobs_in_progress_event_source);
+
+ if (hashmap_size(m->jobs) > 0) {
+ if (m->jobs_in_progress_event_source)
+ sd_event_source_set_time(m->jobs_in_progress_event_source, JOBS_IN_PROGRESS_PERIOD_SEC);
return;
+ }
/* Notify Type=idle units that we are done now */
- close_pipe(m->idle_pipe);
+ 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;
"INITRD_USEC=%llu", (unsigned long long) initrd_usec,
"USERSPACE_USEC=%llu", (unsigned long long) userspace_usec,
"MESSAGE=Startup finished in %s (kernel) + %s (initrd) + %s (userspace) = %s.",
- format_timespan(kernel, sizeof(kernel), kernel_usec),
- format_timespan(initrd, sizeof(initrd), initrd_usec),
- format_timespan(userspace, sizeof(userspace), userspace_usec),
- format_timespan(sum, sizeof(sum), total_usec),
+ format_timespan(kernel, sizeof(kernel), kernel_usec, USEC_PER_MSEC),
+ format_timespan(initrd, sizeof(initrd), initrd_usec, USEC_PER_MSEC),
+ format_timespan(userspace, sizeof(userspace), userspace_usec, USEC_PER_MSEC),
+ format_timespan(sum, sizeof(sum), total_usec, USEC_PER_MSEC),
NULL);
} else {
kernel_usec = m->userspace_timestamp.monotonic - m->kernel_timestamp.monotonic;
"KERNEL_USEC=%llu", (unsigned long long) kernel_usec,
"USERSPACE_USEC=%llu", (unsigned long long) userspace_usec,
"MESSAGE=Startup finished in %s (kernel) + %s (userspace) = %s.",
- format_timespan(kernel, sizeof(kernel), kernel_usec),
- format_timespan(userspace, sizeof(userspace), userspace_usec),
- format_timespan(sum, sizeof(sum), total_usec),
+ format_timespan(kernel, sizeof(kernel), kernel_usec, USEC_PER_MSEC),
+ format_timespan(userspace, sizeof(userspace), userspace_usec, USEC_PER_MSEC),
+ format_timespan(sum, sizeof(sum), total_usec, USEC_PER_MSEC),
NULL);
}
} else {
MESSAGE_ID(SD_MESSAGE_STARTUP_FINISHED),
"USERSPACE_USEC=%llu", (unsigned long long) userspace_usec,
"MESSAGE=Startup finished in %s.",
- format_timespan(sum, sizeof(sum), total_usec),
+ 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.",
- format_timespan(sum, sizeof(sum), total_usec));
+ format_timespan(sum, sizeof(sum), total_usec, USEC_PER_MSEC));
}
static int create_generator_dir(Manager *m, char **generator, const char *name) {
r = mkdir_p_label(p, 0755);
if (r < 0) {
- log_error("Failed to create generator directory: %s", strerror(-r));
+ log_error("Failed to create generator directory %s: %s",
+ p, strerror(-r));
free(p);
return r;
}
return log_oom();
if (!mkdtemp(p)) {
+ log_error("Failed to create generator directory %s: %m",
+ p);
free(p);
- log_error("Failed to create generator directory: %m");
return -errno;
}
}
}
void manager_run_generators(Manager *m) {
- DIR *d = NULL;
+ _cleanup_closedir_ DIR *d = NULL;
const char *generator_path;
const char *argv[5];
- mode_t u;
int r;
assert(m);
if (errno == ENOENT)
return;
- log_error("Failed to enumerate generator directory: %m");
+ log_error("Failed to enumerate generator directory %s: %m",
+ generator_path);
return;
}
argv[3] = m->generator_unit_path_late;
argv[4] = NULL;
- u = umask(0022);
- execute_directory(generator_path, d, (char**) argv);
- umask(u);
+ RUN_WITH_UMASK(0022)
+ execute_directory(generator_path, d, (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_set_default_controllers(Manager *m, char **controllers) {
- char **l;
-
+int manager_environment_add(Manager *m, char **minus, char **plus) {
+ char **a = NULL, **b = NULL, **l;
assert(m);
- l = strv_copy(controllers);
- if (!l)
- return -ENOMEM;
+ l = m->environment;
- strv_free(m->default_controllers);
- m->default_controllers = l;
+ 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;
+ }
- cg_shorten_controllers(m->default_controllers);
+ if (m->environment != l)
+ strv_free(m->environment);
+ if (a != l)
+ strv_free(a);
+ if (b != l)
+ strv_free(b);
+ m->environment = strv_sort(l);
return 0;
}
unlink("/run/systemd/show-status");
}
-bool manager_get_show_status(Manager *m) {
+static bool manager_get_show_status(Manager *m) {
assert(m);
if (m->running_as != SYSTEMD_SYSTEM)
return false;
+ if (m->no_console_output)
+ return false;
+
if (m->show_status)
return true;
return plymouth_running();
}
+
+void manager_status_printf(Manager *m, bool ephemeral, const char *status, const char *format, ...) {
+ va_list ap;
+
+ if (!manager_get_show_status(m))
+ return;
+
+ /* XXX We should totally drop the check for ephemeral here
+ * and thus effectively make 'Type=idle' pointless. */
+ 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);
+}
+
+int manager_get_unit_by_path(Manager *m, const char *path, const char *suffix, Unit **_found) {
+ _cleanup_free_ char *p = NULL;
+ Unit *found;
+
+ assert(m);
+ assert(path);
+ assert(suffix);
+ assert(_found);
+
+ p = unit_name_from_path(path, suffix);
+ if (!p)
+ return -ENOMEM;
+
+ found = manager_get_unit(m, p);
+ if (!found) {
+ *_found = NULL;
+ return 0;
+ }
+
+ *_found = found;
+ return 1;
+}
+
+Set *manager_get_units_requiring_mounts_for(Manager *m, const char *path) {
+ char p[strlen(path)+1];
+
+ assert(m);
+ assert(path);
+
+ strcpy(p, path);
+ path_kill_slashes(p);
+
+ return hashmap_get(m->units_requiring_mounts_for, streq(p, "/") ? "" : p);
+}
~ianmdlvl / elogind.git / blobdiff