chiark / gitweb /
unit: rename 'banned' load state to 'masked'
[elogind.git] / src / manager.c
index a643263213a2988c563a03f5f6d7b7f9d76075d5..537ff2e39d3742968517e433d601e72a6d373b39 100644 (file)
@@ -1,4 +1,4 @@
-/*-*- Mode: C; c-basic-offset: 8 -*-*/
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
 
 /***
   This file is part of systemd.
@@ -27,7 +27,6 @@
 #include <sys/signalfd.h>
 #include <sys/wait.h>
 #include <unistd.h>
-#include <utmpx.h>
 #include <sys/poll.h>
 #include <sys/reboot.h>
 #include <sys/ioctl.h>
 #include <fcntl.h>
 #include <sys/types.h>
 #include <sys/stat.h>
+#include <dirent.h>
+
+#ifdef HAVE_AUDIT
+#include <libaudit.h>
+#endif
 
 #include "manager.h"
 #include "hashmap.h"
@@ -46,7 +50,6 @@
 #include "ratelimit.h"
 #include "cgroup.h"
 #include "mount-setup.h"
-#include "utmp-wtmp.h"
 #include "unit-name.h"
 #include "dbus-unit.h"
 #include "dbus-job.h"
@@ -54,6 +57,7 @@
 #include "path-lookup.h"
 #include "special.h"
 #include "bus-errors.h"
+#include "exit-status.h"
 
 /* As soon as 16 units are in our GC queue, make sure to run a gc sweep */
 #define GC_QUEUE_ENTRIES_MAX 16
@@ -88,7 +92,7 @@ static int manager_setup_notify(Manager *m) {
         else
                 strncpy(sa.un.sun_path+1, NOTIFY_SOCKET, sizeof(sa.un.sun_path)-1);
 
-        if (bind(m->notify_watch.fd, &sa.sa, sizeof(sa)) < 0) {
+        if (bind(m->notify_watch.fd, &sa.sa, offsetof(struct sockaddr_un, sun_path) + 1 + strlen(sa.un.sun_path+1)) < 0) {
                 log_error("bind() failed: %m");
                 return -errno;
         }
@@ -108,6 +112,8 @@ static int manager_setup_notify(Manager *m) {
         if (!(m->notify_socket = strdup(sa.un.sun_path+1)))
                 return -ENOMEM;
 
+        log_debug("Using notification socket %s", m->notify_socket);
+
         return 0;
 }
 
@@ -186,7 +192,6 @@ static int manager_setup_signals(Manager *m) {
 int manager_new(ManagerRunningAs running_as, Manager **_m) {
         Manager *m;
         int r = -ENOMEM;
-        char *p;
 
         assert(_m);
         assert(running_as >= 0);
@@ -202,6 +207,10 @@ int manager_new(ManagerRunningAs running_as, Manager **_m) {
         m->exit_code = _MANAGER_EXIT_CODE_INVALID;
         m->pin_cgroupfs_fd = -1;
 
+#ifdef HAVE_AUDIT
+        m->audit_fd = -1;
+#endif
+
         m->signal_watch.fd = m->mount_watch.fd = m->udev_watch.fd = m->epoll_fd = m->dev_autofs_fd = -1;
         m->current_job_id = 1; /* start as id #1, so that we can leave #0 around as "null-like" value */
 
@@ -245,13 +254,10 @@ int manager_new(ManagerRunningAs running_as, Manager **_m) {
         if ((r = bus_init(m)) < 0)
                 goto fail;
 
-        if (asprintf(&p, "%s/%s", m->cgroup_mount_point, m->cgroup_hierarchy) < 0) {
-                r = -ENOMEM;
-                goto fail;
-        }
-
-        m->pin_cgroupfs_fd = open(p, O_RDONLY|O_CLOEXEC|O_DIRECTORY|O_NOCTTY|O_NONBLOCK);
-        free(p);
+#ifdef HAVE_AUDIT
+        if ((m->audit_fd = audit_open()) < 0)
+                log_error("Failed to connect to audit log: %m");
+#endif
 
         *_m = m;
         return 0;
@@ -420,8 +426,7 @@ void manager_free(Manager *m) {
 
         /* If we reexecute ourselves, we keep the root cgroup
          * around */
-        if (m->exit_code != MANAGER_REEXECUTE)
-                manager_shutdown_cgroup(m);
+        manager_shutdown_cgroup(m, m->exit_code != MANAGER_REEXECUTE);
 
         bus_done(m);
 
@@ -438,19 +443,19 @@ void manager_free(Manager *m) {
         if (m->notify_watch.fd >= 0)
                 close_nointr_nofail(m->notify_watch.fd);
 
+#ifdef HAVE_AUDIT
+        if (m->audit_fd >= 0)
+                audit_close(m->audit_fd);
+#endif
+
         free(m->notify_socket);
+        free(m->console);
 
         lookup_paths_free(&m->lookup_paths);
         strv_free(m->environment);
 
-        free(m->cgroup_controller);
-        free(m->cgroup_hierarchy);
-        free(m->cgroup_mount_point);
-
         hashmap_free(m->cgroup_bondings);
-
-        if (m->pin_cgroupfs_fd >= 0)
-                close_nointr_nofail(m->pin_cgroupfs_fd);
+        set_free_free(m->unit_path_cache);
 
         free(m);
 }
@@ -494,11 +499,77 @@ int manager_coldplug(Manager *m) {
         return r;
 }
 
+static void manager_build_unit_path_cache(Manager *m) {
+        char **i;
+        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))) {
+                log_error("Failed to allocate unit path cache.");
+                return;
+        }
+
+        /* This simply builds a list of files we know exist, so that
+         * we don't always have to go to disk */
+
+        STRV_FOREACH(i, m->lookup_paths.unit_path) {
+                struct dirent *de;
+
+                if (!(d = opendir(*i))) {
+                        log_error("Failed to open directory: %m");
+                        continue;
+                }
+
+                while ((de = readdir(d))) {
+                        char *p;
+
+                        if (ignore_file(de->d_name))
+                                continue;
+
+                        if (asprintf(&p, "%s/%s", streq(*i, "/") ? "" : *i, de->d_name) < 0) {
+                                r = -ENOMEM;
+                                goto fail;
+                        }
+
+                        if ((r = set_put(m->unit_path_cache, p)) < 0) {
+                                free(p);
+                                goto fail;
+                        }
+                }
+
+                closedir(d);
+                d = NULL;
+        }
+
+        return;
+
+fail:
+        log_error("Failed to build unit path cache: %s", strerror(-r));
+
+        set_free_free(m->unit_path_cache);
+        m->unit_path_cache = NULL;
+
+        if (d)
+                closedir(d);
+}
+
 int manager_startup(Manager *m, FILE *serialization, FDSet *fds) {
         int r, q;
 
         assert(m);
 
+        manager_build_unit_path_cache(m);
+
+        /* If we will deserialize make sure that during enumeration
+         * this is already known, so we increase the counter here
+         * already */
+        if (serialization)
+                m->n_deserializing ++;
+
         /* First, enumerate what we can from all config files */
         r = manager_enumerate(m);
 
@@ -511,9 +582,10 @@ int manager_startup(Manager *m, FILE *serialization, FDSet *fds) {
         if ((q = manager_coldplug(m)) < 0)
                 r = q;
 
-        /* Now that the initial devices are available, let's see if we
-         * can write the utmp file */
-        manager_write_utmp_reboot(m);
+        if (serialization) {
+                assert(m->n_deserializing > 0);
+                m->n_deserializing --;
+        }
 
         return r;
 }
@@ -659,6 +731,20 @@ static void transaction_merge_and_delete_job(Manager *m, Job *j, Job *other, Job
         other->object_list = NULL;
         transaction_delete_job(m, other, true);
 }
+static bool job_is_conflicted_by(Job *j) {
+        JobDependency *l;
+
+        assert(j);
+
+        /* Returns true if this job is pulled in by a least one
+         * ConflictedBy dependency. */
+
+        LIST_FOREACH(object, l, j->object_list)
+                if (l->conflicts)
+                        return true;
+
+        return false;
+}
 
 static int delete_one_unmergeable_job(Manager *m, Job *j) {
         Job *k;
@@ -682,7 +768,37 @@ static int delete_one_unmergeable_job(Manager *m, Job *j) {
 
                         /* Ok, we found two that conflict, let's see if we can
                          * drop one of them */
-                        if (!j->matters_to_anchor)
+                        if (!j->matters_to_anchor && !k->matters_to_anchor) {
+
+                                /* Both jobs don't matter, so let's
+                                 * find the one that is smarter to
+                                 * remove. Let's think positive and
+                                 * rather remove stops then starts --
+                                 * except if something is being
+                                 * stopped because it is conflicted by
+                                 * another unit in which case we
+                                 * rather remove the start. */
+
+                                log_debug("Looking at job %s/%s conflicted_by=%s", j->unit->meta.id, job_type_to_string(j->type), yes_no(j->type == JOB_STOP && job_is_conflicted_by(j)));
+                                log_debug("Looking at job %s/%s conflicted_by=%s", k->unit->meta.id, job_type_to_string(k->type), yes_no(k->type == JOB_STOP && job_is_conflicted_by(k)));
+
+                                if (j->type == JOB_STOP) {
+
+                                        if (job_is_conflicted_by(j))
+                                                d = k;
+                                        else
+                                                d = j;
+
+                                } else if (k->type == JOB_STOP) {
+
+                                        if (job_is_conflicted_by(k))
+                                                d = j;
+                                        else
+                                                d = k;
+                                } else
+                                        d = j;
+
+                        } else if (!j->matters_to_anchor)
                                 d = j;
                         else if (!k->matters_to_anchor)
                                 d = k;
@@ -690,7 +806,7 @@ static int delete_one_unmergeable_job(Manager *m, Job *j) {
                                 return -ENOEXEC;
 
                         /* Ok, we can drop one, so let's do so. */
-                        log_notice("Trying to fix job merging by deleting job %s/%s", d->unit->meta.id, job_type_to_string(d->type));
+                        log_debug("Fixing conflicting jobs by deleting job %s/%s", d->unit->meta.id, job_type_to_string(d->type));
                         transaction_delete_job(m, d, true);
                         return 0;
                 }
@@ -713,7 +829,7 @@ static int transaction_merge_jobs(Manager *m, DBusError *e) {
 
                 t = j->type;
                 LIST_FOREACH(transaction, k, j->transaction_next) {
-                        if ((r = job_type_merge(&t, k->type)) >= 0)
+                        if (job_type_merge(&t, k->type) >= 0)
                                 continue;
 
                         /* OK, we could not merge all jobs for this
@@ -829,7 +945,7 @@ static int transaction_verify_order_one(Manager *m, Job *j, Job *from, unsigned
 
         /* Have we seen this before? */
         if (j->generation == generation) {
-                Job *k;
+                Job *k, *delete;
 
                 /* If the marker is NULL we have been here already and
                  * decided the job was loop-free from here. Hence
@@ -845,17 +961,17 @@ static int transaction_verify_order_one(Manager *m, Job *j, Job *from, unsigned
                  * in there. */
                 log_warning("Found ordering cycle on %s/%s", j->unit->meta.id, job_type_to_string(j->type));
 
+                delete = NULL;
                 for (k = from; k; k = ((k->generation == generation && k->marker != k) ? k->marker : NULL)) {
 
                         log_info("Walked on cycle path to %s/%s", k->unit->meta.id, job_type_to_string(k->type));
 
-                        if (!k->installed &&
+                        if (!delete &&
+                            !k->installed &&
                             !unit_matters_to_anchor(k->unit, k)) {
                                 /* Ok, we can drop this one, so let's
                                  * do so. */
-                                log_warning("Breaking order cycle by deleting job %s/%s", k->unit->meta.id, job_type_to_string(k->type));
-                                transaction_delete_unit(m, k->unit);
-                                return -EAGAIN;
+                                delete = k;
                         }
 
                         /* Check if this in fact was the beginning of
@@ -864,9 +980,16 @@ static int transaction_verify_order_one(Manager *m, Job *j, Job *from, unsigned
                                 break;
                 }
 
+
+                if (delete) {
+                        log_warning("Breaking ordering cycle by deleting job %s/%s", delete->unit->meta.id, job_type_to_string(delete->type));
+                        transaction_delete_unit(m, delete->unit);
+                        return -EAGAIN;
+                }
+
                 log_error("Unable to break cycle");
 
-                dbus_set_error(e, BUS_ERROR_TRANSACTION_ORDER_IS_CYCLIC, "Transaction order is cyclic. See logs for details.");
+                dbus_set_error(e, BUS_ERROR_TRANSACTION_ORDER_IS_CYCLIC, "Transaction order is cyclic. See system logs for details.");
                 return -ENOEXEC;
         }
 
@@ -1005,7 +1128,7 @@ static void transaction_minimize_impact(Manager *m) {
                                         j->type == JOB_STOP && UNIT_IS_ACTIVE_OR_ACTIVATING(unit_active_state(j->unit));
 
                                 changes_existing_job =
-                                        j->unit->meta.job && job_type_is_conflicting(j->type, j->unit->meta.job->state);
+                                        j->unit->meta.job && job_type_is_conflicting(j->type, j->unit->meta.job->type);
 
                                 if (!stops_running_service && !changes_existing_job)
                                         continue;
@@ -1059,6 +1182,7 @@ static int transaction_apply(Manager *m) {
 
                 j->unit->meta.job = j;
                 j->installed = true;
+                m->n_installed_jobs ++;
 
                 /* We're fully installed. Now let's free data we don't
                  * need anymore. */
@@ -1068,6 +1192,7 @@ static int transaction_apply(Manager *m) {
 
                 job_add_to_run_queue(j);
                 job_add_to_dbus_queue(j);
+                job_start_timer(j);
         }
 
         /* As last step, kill all remaining job dependencies. */
@@ -1102,7 +1227,8 @@ static int transaction_activate(Manager *m, JobMode mode, DBusError *e) {
         /* Second step: Try not to stop any running services if
          * we don't have to. Don't try to reverse running
          * jobs if we don't have to. */
-        transaction_minimize_impact(m);
+        if (mode != JOB_ISOLATE)
+                transaction_minimize_impact(m);
 
         /* Third step: Drop redundant jobs */
         transaction_drop_redundant(m);
@@ -1174,7 +1300,6 @@ rollback:
 
 static Job* transaction_add_one_job(Manager *m, JobType type, Unit *unit, bool override, bool *is_new) {
         Job *j, *f;
-        int r;
 
         assert(m);
         assert(unit);
@@ -1207,7 +1332,7 @@ static Job* transaction_add_one_job(Manager *m, JobType type, Unit *unit, bool o
 
         LIST_PREPEND(Job, transaction, f, j);
 
-        if ((r = hashmap_replace(m->transaction_jobs, unit, f)) < 0) {
+        if (hashmap_replace(m->transaction_jobs, unit, f) < 0) {
                 job_free(j);
                 return NULL;
         }
@@ -1245,7 +1370,7 @@ void manager_transaction_unlink_job(Manager *m, Job *j, bool delete_dependencies
                 job_dependency_free(j->object_list);
 
                 if (other && delete_dependencies) {
-                        log_info("Deleting job %s/%s as dependency of job %s/%s",
+                        log_debug("Deleting job %s/%s as dependency of job %s/%s",
                                   other->unit->meta.id, job_type_to_string(other->type),
                                   j->unit->meta.id, job_type_to_string(j->type));
                         transaction_delete_job(m, other, delete_dependencies);
@@ -1260,6 +1385,7 @@ static int transaction_add_job_and_dependencies(
                 Job *by,
                 bool matters,
                 bool override,
+                bool conflicts,
                 DBusError *e,
                 Job **_ret) {
         Job *ret;
@@ -1272,8 +1398,24 @@ static int transaction_add_job_and_dependencies(
         assert(type < _JOB_TYPE_MAX);
         assert(unit);
 
-        if (unit->meta.load_state != UNIT_LOADED) {
-                dbus_set_error(e, BUS_ERROR_LOAD_FAILED, "Unit %s failed to load. See logs for details.", unit->meta.id);
+        if (unit->meta.load_state != UNIT_LOADED &&
+            unit->meta.load_state != UNIT_ERROR &&
+            unit->meta.load_state != UNIT_MASKED) {
+                dbus_set_error(e, BUS_ERROR_LOAD_FAILED, "Unit %s is not loaded properly.", unit->meta.id);
+                return -EINVAL;
+        }
+
+        if (type != JOB_STOP && unit->meta.load_state == UNIT_ERROR) {
+                dbus_set_error(e, BUS_ERROR_LOAD_FAILED,
+                               "Unit %s failed to load: %s. "
+                               "You might find more information in the system logs.",
+                               unit->meta.id,
+                               strerror(-unit->meta.load_error));
+                return -EINVAL;
+        }
+
+        if (type != JOB_STOP && unit->meta.load_state == UNIT_MASKED) {
+                dbus_set_error(e, BUS_ERROR_MASKED, "Unit %s is masked.", unit->meta.id);
                 return -EINVAL;
         }
 
@@ -1287,40 +1429,56 @@ static int transaction_add_job_and_dependencies(
                 return -ENOMEM;
 
         /* Then, add a link to the job. */
-        if (!job_dependency_new(by, ret, matters))
+        if (!job_dependency_new(by, ret, matters, conflicts))
                 return -ENOMEM;
 
         if (is_new) {
                 /* Finally, recursively add in all dependencies. */
                 if (type == JOB_START || type == JOB_RELOAD_OR_START) {
                         SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_REQUIRES], i)
-                                if ((r = transaction_add_job_and_dependencies(m, JOB_START, dep, ret, true, override, e, NULL)) < 0 && r != -EBADR)
+                                if ((r = transaction_add_job_and_dependencies(m, JOB_START, dep, ret, true, override, false, e, NULL)) < 0 && r != -EBADR)
                                         goto fail;
 
                         SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_REQUIRES_OVERRIDABLE], i)
-                                if ((r = transaction_add_job_and_dependencies(m, JOB_START, dep, ret, !override, override, e, NULL)) < 0 && r != -EBADR)
-                                        log_warning("Cannot add dependency job for unit %s, ignoring: %s", dep->meta.id, strerror(-r));
+                                if ((r = transaction_add_job_and_dependencies(m, JOB_START, dep, ret, !override, override, false, e, NULL)) < 0 && r != -EBADR) {
+                                        log_warning("Cannot add dependency job for unit %s, ignoring: %s", dep->meta.id, bus_error(e, r));
+
+                                        if (e)
+                                                dbus_error_free(e);
+                                }
 
                         SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_WANTS], i)
-                                if ((r = transaction_add_job_and_dependencies(m, JOB_START, dep, ret, false, false, e, NULL)) < 0)
-                                        log_warning("Cannot add dependency job for unit %s, ignoring: %s", dep->meta.id, strerror(-r));
+                                if ((r = transaction_add_job_and_dependencies(m, JOB_START, dep, ret, false, false, false, e, NULL)) < 0) {
+                                        log_warning("Cannot add dependency job for unit %s, ignoring: %s", dep->meta.id, bus_error(e, r));
+
+                                        if (e)
+                                                dbus_error_free(e);
+                                }
 
                         SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_REQUISITE], i)
-                                if ((r = transaction_add_job_and_dependencies(m, JOB_VERIFY_ACTIVE, dep, ret, true, override, e, NULL)) < 0 && r != -EBADR)
+                                if ((r = transaction_add_job_and_dependencies(m, JOB_VERIFY_ACTIVE, dep, ret, true, override, false, e, NULL)) < 0 && r != -EBADR)
                                         goto fail;
 
                         SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_REQUISITE_OVERRIDABLE], i)
-                                if ((r = transaction_add_job_and_dependencies(m, JOB_VERIFY_ACTIVE, dep, ret, !override, override, e, NULL)) < 0 && r != -EBADR)
-                                        log_warning("Cannot add dependency job for unit %s, ignoring: %s", dep->meta.id, strerror(-r));
+                                if ((r = transaction_add_job_and_dependencies(m, JOB_VERIFY_ACTIVE, dep, ret, !override, override, false, e, NULL)) < 0 && r != -EBADR) {
+                                        log_warning("Cannot add dependency job for unit %s, ignoring: %s", dep->meta.id, bus_error(e, r));
+
+                                        if (e)
+                                                dbus_error_free(e);
+                                }
 
                         SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_CONFLICTS], i)
-                                if ((r = transaction_add_job_and_dependencies(m, JOB_STOP, dep, ret, true, override, e, NULL)) < 0 && r != -EBADR)
+                                if ((r = transaction_add_job_and_dependencies(m, JOB_STOP, dep, ret, true, override, true, e, NULL)) < 0 && r != -EBADR)
+                                        goto fail;
+
+                        SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_CONFLICTED_BY], i)
+                                if ((r = transaction_add_job_and_dependencies(m, JOB_STOP, dep, ret, true, override, false, e, NULL)) < 0 && r != -EBADR)
                                         goto fail;
 
                 } else if (type == JOB_STOP || type == JOB_RESTART || type == JOB_TRY_RESTART) {
 
                         SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_REQUIRED_BY], i)
-                                if ((r = transaction_add_job_and_dependencies(m, type, dep, ret, true, override, e, NULL)) < 0 && r != -EBADR)
+                                if ((r = transaction_add_job_and_dependencies(m, type, dep, ret, true, override, false, e, NULL)) < 0 && r != -EBADR)
                                         goto fail;
                 }
 
@@ -1354,14 +1512,14 @@ static int transaction_add_isolate_jobs(Manager *m) {
                         continue;
 
                 /* No need to stop inactive jobs */
-                if (UNIT_IS_INACTIVE_OR_MAINTENANCE(unit_active_state(u)))
+                if (UNIT_IS_INACTIVE_OR_FAILED(unit_active_state(u)))
                         continue;
 
                 /* Is there already something listed for this? */
                 if (hashmap_get(m->transaction_jobs, u))
                         continue;
 
-                if ((r = transaction_add_job_and_dependencies(m, JOB_STOP, u, NULL, true, false, NULL, NULL)) < 0)
+                if ((r = transaction_add_job_and_dependencies(m, JOB_STOP, u, NULL, true, false, false, NULL, NULL)) < 0)
                         log_warning("Cannot add isolate job for unit %s, ignoring: %s", u->meta.id, strerror(-r));
         }
 
@@ -1382,9 +1540,14 @@ int manager_add_job(Manager *m, JobType type, Unit *unit, JobMode mode, bool ove
                 return -EINVAL;
         }
 
-        log_debug("Trying to enqueue job %s/%s", unit->meta.id, job_type_to_string(type));
+        if (mode == JOB_ISOLATE && !unit->meta.allow_isolate) {
+                dbus_set_error(e, BUS_ERROR_NO_ISOLATION, "Operation refused, unit may not be isolated.");
+                return -EPERM;
+        }
+
+        log_debug("Trying to enqueue job %s/%s/%s", unit->meta.id, job_type_to_string(type), job_mode_to_string(mode));
 
-        if ((r = transaction_add_job_and_dependencies(m, type, unit, NULL, true, override, e, &ret)) < 0) {
+        if ((r = transaction_add_job_and_dependencies(m, type, unit, NULL, true, override, false, e, &ret)) < 0) {
                 transaction_abort(m);
                 return r;
         }
@@ -1478,7 +1641,7 @@ int manager_load_unit_prepare(Manager *m, const char *name, const char *path, DB
         if (!name)
                 name = file_name_from_path(path);
 
-        if (!unit_name_is_valid(name)) {
+        if (!unit_name_is_valid(name, false)) {
                 dbus_set_error(e, BUS_ERROR_INVALID_NAME, "Unit name %s is not valid.", name);
                 return -EINVAL;
         }
@@ -1649,7 +1812,7 @@ static int manager_process_notify_fd(Manager *m) {
                         if (n >= 0)
                                 return -EIO;
 
-                        if (errno == EAGAIN)
+                        if (errno == EAGAIN || errno == EINTR)
                                 break;
 
                         return -errno;
@@ -1665,7 +1828,7 @@ static int manager_process_notify_fd(Manager *m) {
 
                 ucred = (struct ucred*) CMSG_DATA(&control.cmsghdr);
 
-                if (!(u = hashmap_get(m->watch_pids, UINT32_TO_PTR(ucred->pid))))
+                if (!(u = hashmap_get(m->watch_pids, LONG_TO_PTR(ucred->pid))))
                         if (!(u = cgroup_unit_by_pid(m, ucred->pid))) {
                                 log_warning("Cannot find unit for notify message of PID %lu.", (unsigned long) ucred->pid);
                                 continue;
@@ -1730,7 +1893,7 @@ static int manager_dispatch_sigchld(Manager *m) {
                         return r;
 
                 /* And now figure out the unit this belongs to */
-                if (!(u = hashmap_get(m->watch_pids, UINT32_TO_PTR(si.si_pid))))
+                if (!(u = hashmap_get(m->watch_pids, LONG_TO_PTR(si.si_pid))))
                         u = cgroup_unit_by_pid(m, si.si_pid);
 
                 /* And now, we actually reap the zombie. */
@@ -1748,14 +1911,16 @@ static int manager_dispatch_sigchld(Manager *m) {
                           (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) : strsignal(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("Child %llu belongs to %s", (long long unsigned) si.si_pid, u->meta.id);
+                log_debug("Child %lu belongs to %s", (long unsigned) si.si_pid, u->meta.id);
 
-                hashmap_remove(m->watch_pids, UINT32_TO_PTR(si.si_pid));
+                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);
         }
 
@@ -1791,7 +1956,7 @@ static int manager_process_signal_fd(Manager *m) {
                         if (n >= 0)
                                 return -EIO;
 
-                        if (errno == EAGAIN)
+                        if (errno == EINTR || errno == EAGAIN)
                                 break;
 
                         return -errno;
@@ -1896,7 +2061,7 @@ static int manager_process_signal_fd(Manager *m) {
                         static const char * const table[] = {
                                 [0] = SPECIAL_DEFAULT_TARGET,
                                 [1] = SPECIAL_RESCUE_TARGET,
-                                [2] = SPECIAL_EMERGENCY_SERVICE,
+                                [2] = SPECIAL_EMERGENCY_TARGET,
                                 [3] = SPECIAL_HALT_TARGET,
                                 [4] = SPECIAL_POWEROFF_TARGET,
                                 [5] = SPECIAL_REBOOT_TARGET
@@ -1959,7 +2124,8 @@ static int process_event(Manager *m, struct epoll_event *ev) {
                 UNIT_VTABLE(w->data.unit)->fd_event(w->data.unit, w->fd, ev->events, w);
                 break;
 
-        case WATCH_TIMER: {
+        case WATCH_UNIT_TIMER:
+        case WATCH_JOB_TIMER: {
                 uint64_t v;
                 ssize_t k;
 
@@ -1972,7 +2138,10 @@ static int process_event(Manager *m, struct epoll_event *ev) {
                         return k < 0 ? -errno : -EIO;
                 }
 
-                UNIT_VTABLE(w->data.unit)->timer_event(w->data.unit, v, w);
+                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;
         }
 
@@ -2009,6 +2178,12 @@ int manager_loop(Manager *m) {
         assert(m);
         m->exit_code = MANAGER_RUNNING;
 
+        /* Release the path cache */
+        set_free_free(m->unit_path_cache);
+        m->unit_path_cache = NULL;
+
+        manager_check_finished(m);
+
         /* There might still be some zombies hanging around from
          * before we were exec()'ed. Leat's reap them */
         if ((r = manager_dispatch_sigchld(m)) < 0)
@@ -2107,70 +2282,99 @@ int manager_get_job_from_dbus_path(Manager *m, const char *s, Job **_j) {
         return 0;
 }
 
-static bool manager_utmp_good(Manager *m) {
-        int r;
+void manager_send_unit_audit(Manager *m, Unit *u, int type, bool success) {
 
-        assert(m);
+#ifdef HAVE_AUDIT
+        char *p;
 
-        if ((r = mount_path_is_mounted(m, _PATH_UTMPX)) <= 0) {
+        if (m->audit_fd < 0)
+                return;
 
-                if (r < 0)
-                        log_warning("Failed to determine whether " _PATH_UTMPX " is mounted: %s", strerror(-r));
+        /* Don't generate audit events if the service was already
+         * started and we're just deserializing */
+        if (m->n_deserializing > 0)
+                return;
 
-                return false;
+        if (!(p = unit_name_to_prefix_and_instance(u->meta.id))) {
+                log_error("Failed to allocate unit name for audit message: %s", strerror(ENOMEM));
+                return;
         }
 
-        return true;
-}
+        if (audit_log_user_comm_message(m->audit_fd, type, "", p, NULL, NULL, NULL, success) < 0)
+                log_error("Failed to send audit message: %m");
 
-void manager_write_utmp_reboot(Manager *m) {
-        int r;
+        free(p);
+#endif
 
-        assert(m);
+}
+
+void manager_send_unit_plymouth(Manager *m, Unit *u) {
+        int fd = -1;
+        union sockaddr_union sa;
+        int n = 0;
+        char *message = NULL;
+        ssize_t r;
 
-        if (m->utmp_reboot_written)
+        /* Don't generate plymouth events if the service was already
+         * started and we're just deserializing */
+        if (m->n_deserializing > 0)
                 return;
 
         if (m->running_as != MANAGER_SYSTEM)
                 return;
 
-        if (!manager_utmp_good(m))
+        if (u->meta.type != UNIT_SERVICE &&
+            u->meta.type != UNIT_MOUNT &&
+            u->meta.type != UNIT_SWAP)
                 return;
 
-        if ((r = utmp_put_reboot(m->startup_timestamp.realtime)) < 0) {
-
-                if (r != -ENOENT && r != -EROFS)
-                        log_warning("Failed to write utmp/wtmp: %s", strerror(-r));
-
+        /* We set SOCK_NONBLOCK here so that we rather drop the
+         * message then wait for plymouth */
+        if ((fd = socket(AF_UNIX, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0)) < 0) {
+                log_error("socket() failed: %m");
                 return;
         }
 
-        m->utmp_reboot_written = true;
-}
+        zero(sa);
+        sa.sa.sa_family = AF_UNIX;
+        strncpy(sa.un.sun_path+1, "/ply-boot-protocol", sizeof(sa.un.sun_path)-1);
+        if (connect(fd, &sa.sa, sizeof(sa.un)) < 0) {
 
-void manager_write_utmp_runlevel(Manager *m, Unit *u) {
-        int runlevel, r;
+                if (errno != EPIPE &&
+                    errno != EAGAIN &&
+                    errno != ENOENT &&
+                    errno != ECONNREFUSED &&
+                    errno != ECONNRESET &&
+                    errno != ECONNABORTED)
+                        log_error("connect() failed: %m");
 
-        assert(m);
-        assert(u);
+                goto finish;
+        }
 
-        if (u->meta.type != UNIT_TARGET)
-                return;
+        if (asprintf(&message, "U\002%c%s%n", (int) (strlen(u->meta.id) + 1), u->meta.id, &n) < 0) {
+                log_error("Out of memory");
+                goto finish;
+        }
 
-        if (m->running_as != MANAGER_SYSTEM)
-                return;
+        errno = 0;
+        if ((r = write(fd, message, n + 1)) != n + 1) {
 
-        if (!manager_utmp_good(m))
-                return;
+                if (errno != EPIPE &&
+                    errno != EAGAIN &&
+                    errno != ENOENT &&
+                    errno != ECONNREFUSED &&
+                    errno != ECONNRESET &&
+                    errno != ECONNABORTED)
+                        log_error("Failed to write Plymouth message: %m");
 
-        if ((runlevel = target_get_runlevel(TARGET(u))) <= 0)
-                return;
+                goto finish;
+        }
 
-        if ((r = utmp_put_runlevel(0, runlevel, 0)) < 0) {
+finish:
+        if (fd >= 0)
+                close_nointr_nofail(fd);
 
-                if (r != -ENOENT && r != -EROFS)
-                        log_warning("Failed to write utmp/wtmp: %s", strerror(-r));
-        }
+        free(message);
 }
 
 void manager_dispatch_bus_name_owner_changed(
@@ -2207,7 +2411,7 @@ void manager_dispatch_bus_query_pid_done(
         UNIT_VTABLE(u)->bus_query_pid_done(u, name, pid);
 }
 
-int manager_open_serialization(FILE **_f) {
+int manager_open_serialization(Manager *m, FILE **_f) {
         char *path;
         mode_t saved_umask;
         int fd;
@@ -2215,8 +2419,15 @@ int manager_open_serialization(FILE **_f) {
 
         assert(_f);
 
-        if (asprintf(&path, "/dev/shm/systemd-%u.dump-XXXXXX", (unsigned) getpid()) < 0)
-                return -ENOMEM;
+        if (m->running_as == MANAGER_SYSTEM) {
+                mkdir_p("/dev/.systemd", 0755);
+
+                if (asprintf(&path, "/dev/.systemd/dump-%lu-XXXXXX", (unsigned long) getpid()) < 0)
+                        return -ENOMEM;
+        } else {
+                if (asprintf(&path, "/tmp/systemd-dump-%lu-XXXXXX", (unsigned long) getpid()) < 0)
+                        return -ENOMEM;
+        }
 
         saved_umask = umask(0077);
         fd = mkostemp(path, O_RDWR|O_CLOEXEC);
@@ -2250,6 +2461,10 @@ int manager_serialize(Manager *m, FILE *f, FDSet *fds) {
         assert(f);
         assert(fds);
 
+        fprintf(f, "startup-timestamp=%llu %llu\n\n",
+                (unsigned long long) m->startup_timestamp.realtime,
+                (unsigned long long) m->startup_timestamp.monotonic);
+
         HASHMAP_FOREACH_KEY(u, t, m->units, i) {
                 if (u->meta.id != t)
                         continue;
@@ -2279,6 +2494,39 @@ int manager_deserialize(Manager *m, FILE *f, FDSet *fds) {
 
         log_debug("Deserializing state...");
 
+        m->n_deserializing ++;
+
+        for (;;) {
+                char line[1024], *l;
+
+                if (!fgets(line, sizeof(line), f)) {
+                        if (feof(f))
+                                r = 0;
+                        else
+                                r = -errno;
+
+                        goto finish;
+                }
+
+                char_array_0(line);
+                l = strstrip(line);
+
+                if (l[0] == 0)
+                        break;
+
+                if (startswith(l, "startup-timestamp=")) {
+                        unsigned long long a, b;
+
+                        if (sscanf(l+18, "%lli %llu", &a, &b) != 2)
+                                log_debug("Failed to parse startup timestamp value %s", l+18);
+                        else {
+                                m->startup_timestamp.realtime = a;
+                                m->startup_timestamp.monotonic = b;
+                        }
+                } else
+                        log_debug("Unknown serialization item '%s'", l);
+        }
+
         for (;;) {
                 Unit *u;
                 char name[UNIT_NAME_MAX+2];
@@ -2286,24 +2534,32 @@ int manager_deserialize(Manager *m, FILE *f, FDSet *fds) {
                 /* Start marker */
                 if (!fgets(name, sizeof(name), f)) {
                         if (feof(f))
-                                break;
+                                r = 0;
+                        else
+                                r = -errno;
 
-                        return -errno;
+                        goto finish;
                 }
 
                 char_array_0(name);
 
                 if ((r = manager_load_unit(m, strstrip(name), NULL, NULL, &u)) < 0)
-                        return r;
+                        goto finish;
 
                 if ((r = unit_deserialize(u, f, fds)) < 0)
-                        return r;
+                        goto finish;
         }
 
-        if (ferror(f))
-                return -EIO;
+finish:
+        if (ferror(f)) {
+                r = -EIO;
+                goto finish;
+        }
 
-        return 0;
+        assert(m->n_deserializing > 0);
+        m->n_deserializing --;
+
+        return r;
 }
 
 int manager_reload(Manager *m) {
@@ -2313,7 +2569,7 @@ int manager_reload(Manager *m) {
 
         assert(m);
 
-        if ((r = manager_open_serialization(&f)) < 0)
+        if ((r = manager_open_serialization(m, &f)) < 0)
                 return r;
 
         if (!(fds = fdset_new())) {
@@ -2337,6 +2593,8 @@ int manager_reload(Manager *m) {
         if ((q = lookup_paths_init(&m->lookup_paths, m->running_as)) < 0)
                 r = q;
 
+        m->n_deserializing ++;
+
         /* First, enumerate what we can from all config files */
         if ((q = manager_enumerate(m)) < 0)
                 r = q;
@@ -2352,6 +2610,9 @@ int manager_reload(Manager *m) {
         if ((q = manager_coldplug(m)) < 0)
                 r = q;
 
+        assert(m->n_deserializing > 0);
+        m->n_deserializing ++;
+
 finish:
         if (f)
                 fclose(f);
@@ -2378,6 +2639,73 @@ bool manager_is_booting_or_shutting_down(Manager *m) {
         return false;
 }
 
+void manager_reset_failed(Manager *m) {
+        Unit *u;
+        Iterator i;
+
+        assert(m);
+
+        HASHMAP_FOREACH(u, m->units, i)
+                unit_reset_failed(u);
+}
+
+int manager_set_console(Manager *m, const char *console) {
+        char *c;
+
+        assert(m);
+
+        if (!(c = strdup(console)))
+                return -ENOMEM;
+
+        free(m->console);
+        m->console = c;
+
+        log_debug("Using kernel console %s", c);
+
+        return 0;
+}
+
+bool manager_unit_pending_inactive(Manager *m, const char *name) {
+        Unit *u;
+
+        assert(m);
+        assert(name);
+
+        /* Returns true if the unit is inactive or going down */
+        if (!(u = manager_get_unit(m, name)))
+                return true;
+
+        return unit_pending_inactive(u);
+}
+
+void manager_check_finished(Manager *m) {
+        char userspace[FORMAT_TIMESPAN_MAX], kernel[FORMAT_TIMESPAN_MAX], sum[FORMAT_TIMESPAN_MAX];
+
+        assert(m);
+
+        if (dual_timestamp_is_set(&m->finish_timestamp))
+                return;
+
+        if (hashmap_size(m->jobs) > 0)
+                return;
+
+        dual_timestamp_get(&m->finish_timestamp);
+
+        if (m->running_as == MANAGER_SYSTEM)
+                log_info("Startup finished in %s (kernel) + %s (userspace) = %s.",
+                         format_timespan(kernel, sizeof(kernel),
+                                         m->startup_timestamp.monotonic),
+                         format_timespan(userspace, sizeof(userspace),
+                                         m->finish_timestamp.monotonic - m->startup_timestamp.monotonic),
+                         format_timespan(sum, sizeof(sum),
+                                         m->finish_timestamp.monotonic));
+        else
+                log_debug("Startup finished in %s.",
+                          format_timespan(userspace, sizeof(userspace),
+                                          m->finish_timestamp.monotonic - m->startup_timestamp.monotonic));
+
+}
+
 static const char* const manager_running_as_table[_MANAGER_RUNNING_AS_MAX] = {
         [MANAGER_SYSTEM] = "system",
         [MANAGER_SESSION] = "session"