#include "cgroup-util.h"
#include "path-util.h"
#include "audit-fd.h"
+#include "efivars.h"
+#include "env-util.h"
/* As soon as 16 units are in our GC queue, make sure to run a gc sweep */
#define GC_QUEUE_ENTRIES_MAX 16
/* Where clients shall send notification messages to */
#define NOTIFY_SOCKET "@/org/freedesktop/systemd1/notify"
+#define TIME_T_MAX (time_t)((1UL << ((sizeof(time_t) << 3) - 1)) - 1)
+
static int manager_setup_notify(Manager *m) {
union {
struct sockaddr sa;
ev.data.ptr = &m->notify_watch;
if (epoll_ctl(m->epoll_fd, EPOLL_CTL_ADD, m->notify_watch.fd, &ev) < 0) {
- log_error("Failed to add timer change fd to epoll: %m");
+ log_error("Failed to add notification socket fd to epoll: %m");
return -errno;
}
}
zero(its);
- its.it_value.tv_sec = 10000000000; /* Year 2287 or so... */
+
+ /* We only care for the cancellation event, hence we set the
+ * timeout to the latest possible value. */
+ assert_cc(sizeof(time_t) == sizeof(TIME_T_MAX));
+ its.it_value.tv_sec = TIME_T_MAX;
+
if (timerfd_settime(m->time_change_watch.fd, TFD_TIMER_ABSTIME|TFD_TIMER_CANCEL_ON_SET, &its, NULL) < 0) {
log_debug("Failed to set up TFD_TIMER_CANCEL_ON_SET, ignoring: %m");
close_nointr_nofail(m->time_change_watch.fd);
* the initrd interface:
* http://www.freedesktop.org/wiki/Software/systemd/InitrdInterface */
strv_remove_prefix(m->environment, "RD_");
+
+ /* Drop invalid entries */
+ strv_env_clean(m->environment);
}
int manager_new(SystemdRunningAs running_as, Manager **_m) {
return -ENOMEM;
dual_timestamp_get(&m->userspace_timestamp);
+ dual_timestamp_from_monotonic(&m->kernel_timestamp, 0);
+#ifdef ENABLE_EFI
+ efi_get_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;
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);
}
static void manager_build_unit_path_cache(Manager *m) {
char **i;
- DIR *d = NULL;
+ DIR _cleanup_free_ *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) {
+ r = set_put(m->unit_path_cache, p);
+ if (r < 0) {
free(p);
goto fail;
}
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) {
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;
+ }
+
/* Third, fire things up! */
q = manager_coldplug(m);
if (q < 0)
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;
msghdr.msg_control = &control;
msghdr.msg_controllen = sizeof(control);
- if ((n = recvmsg(m->notify_watch.fd, &msghdr, MSG_DONTWAIT)) <= 0) {
+ n = recvmsg(m->notify_watch.fd, &msghdr, MSG_DONTWAIT);
+ if (n <= 0) {
if (n >= 0)
return -EIO;
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 = cgroup_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);
break;
if (si.si_code == CLD_EXITED || si.si_code == CLD_KILLED || si.si_code == CLD_DUMPED) {
- char *name = NULL;
+ char _cleanup_free_ *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)
+ r = manager_process_notify_fd(m);
+ if (r < 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 = hashmap_get(m->watch_pids, LONG_TO_PTR(si.si_pid));
+ if (!u)
u = cgroup_unit_by_pid(m, si.si_pid);
/* And now, we actually reap the zombie. */
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);
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));
+ r = manager_add_job_by_name(m, JOB_START, name, mode, true, &error, NULL);
+ if (r < 0)
+ log_error_unit(name,
+ "Failed to enqueue %s job: %s", name, bus_error(&error, r));
dbus_error_free(&error);
assert(m);
for (;;) {
- if ((n = read(m->signal_watch.fd, &sfsi, sizeof(sfsi))) != sizeof(sfsi)) {
+ n = read(m->signal_watch.fd, &sfsi, sizeof(sfsi));
+ if (n != sizeof(sfsi)) {
if (n >= 0)
return -EIO;
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;
}
log_debug("Serializing state to %s", path);
free(path);
- if (!(f = fdopen(fd, "w+")))
+ f = fdopen(fd, "w+");
+ if (!f)
return -errno;
*_f = f;
Iterator i;
Unit *u;
const char *t;
+ char **e;
int r;
assert(m);
dual_timestamp_serialize(f, "finish-timestamp", &m->finish_timestamp);
}
+ STRV_FOREACH(e, m->environment) {
+ _cleanup_free_ char *ce;
+
+ ce = cescape(*e);
+ if (ce)
+ fprintf(f, "env=%s\n", *e);
+ }
+
fputc('\n', f);
HASHMAP_FOREACH_KEY(u, t, m->units, i) {
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, "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
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;
}
return r;
}
+int manager_distribute_fds(Manager *m, FDSet *fds) {
+ Unit *u;
+ Iterator i;
+ int r;
+
+ assert(m);
+
+ HASHMAP_FOREACH(u, m->units, i) {
+
+ if (fdset_size(fds) <= 0)
+ break;
+
+ if (UNIT_VTABLE(u)->distribute_fds) {
+ r = UNIT_VTABLE(u)->distribute_fds(u, fds);
+ if (r < 0)
+ return r;
+ }
+ }
+
+ return 0;
+}
+
int manager_reload(Manager *m) {
int r, q;
FILE *f;
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);
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);
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;
}
if (!mkdtemp(p)) {
free(p);
- log_error("Failed to create generator directory: %m");
+ log_error("Failed to create generator directory %s: %m",
+ p);
return -errno;
}
}
if (errno == ENOENT)
return;
- log_error("Failed to enumerate generator directory: %m");
+ log_error("Failed to enumerate generator directory %s: %m",
+ generator_path);
return;
}
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 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;
+
+ if (!manager_is_booting_or_shutting_down(m))
+ return;
+
+ va_start(ap, format);
+ status_vprintf(status, true, ephemeral, format, ap);
+ va_end(ap);
+}
+
void watch_init(Watch *w) {
assert(w);