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-rw-r--r--src/login/logind-action.c2
-rw-r--r--src/login/logind-dbus.c218
-rw-r--r--src/login/logind.c4
-rw-r--r--src/login/logind.h22
4 files changed, 133 insertions, 113 deletions
diff --git a/src/login/logind-action.c b/src/login/logind-action.c
index a796ebe9ec..1e529e1c98 100644
--- a/src/login/logind-action.c
+++ b/src/login/logind-action.c
@@ -60,7 +60,7 @@ int manager_handle_action(
assert(m);
- if (m->action_job || m->delayed_unit) {
+ if (m->action_what) {
log_debug("Action already in progress, ignoring.");
return -EALREADY;
}
diff --git a/src/login/logind-dbus.c b/src/login/logind-dbus.c
index 0960aab634..f35185971b 100644
--- a/src/login/logind-dbus.c
+++ b/src/login/logind-dbus.c
@@ -198,7 +198,6 @@
" <arg name=\"id\" type=\"s\"/>\n" \
" <arg name=\"path\" type=\"o\"/>\n" \
" </signal>\n" \
- " <signal name=\"Resumed\"/>\n" \
" <signal name=\"PrepareForShutdown\">\n" \
" <arg name=\"active\" type=\"b\"/>\n" \
" </signal>\n" \
@@ -298,9 +297,9 @@ static int bus_manager_append_preparing(DBusMessageIter *i, const char *property
assert(property);
if (streq(property, "PreparingForShutdown"))
- b = !!(m->delayed_what & INHIBIT_SHUTDOWN);
+ b = !!(m->action_what & INHIBIT_SHUTDOWN);
else
- b = !!(m->delayed_what & INHIBIT_SLEEP);
+ b = !!(m->action_what & INHIBIT_SLEEP);
dbus_message_iter_append_basic(i, DBUS_TYPE_BOOLEAN, &b);
return 0;
@@ -697,7 +696,13 @@ fail:
return r;
}
-static int bus_manager_inhibit(Manager *m, DBusConnection *connection, DBusMessage *message, DBusError *error, DBusMessage **_reply) {
+static int bus_manager_inhibit(
+ Manager *m,
+ DBusConnection *connection,
+ DBusMessage *message,
+ DBusError *error,
+ DBusMessage **_reply) {
+
Inhibitor *i = NULL;
char *id = NULL;
const char *who, *why, *what, *mode;
@@ -744,6 +749,15 @@ static int bus_manager_inhibit(Manager *m, DBusConnection *connection, DBusMessa
goto fail;
}
+ /* Don't allow taking delay locks while we are already
+ * executing the operation. We shouldn't create the impression
+ * that the lock was successful if the machine is about to go
+ * down/suspend any moment. */
+ if (m->action_what & w) {
+ r = -EALREADY;
+ goto fail;
+ }
+
r = verify_polkit(connection, message,
w == INHIBIT_SHUTDOWN ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-shutdown" : "org.freedesktop.login1.inhibit-delay-shutdown") :
w == INHIBIT_SLEEP ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-sleep" : "org.freedesktop.login1.inhibit-delay-sleep") :
@@ -992,15 +1006,59 @@ static int have_multiple_sessions(
return false;
}
-static int send_start_unit(Manager *m, const char *unit_name, bool send_resumed, DBusError *error) {
+static int bus_manager_log_shutdown(
+ Manager *m,
+ InhibitWhat w,
+ const char *unit_name) {
+
+ const char *p, *q;
+
+ assert(m);
+ assert(unit_name);
+
+ if (w != INHIBIT_SHUTDOWN)
+ return 0;
+
+ if (streq(unit_name, SPECIAL_POWEROFF_TARGET)) {
+ p = "MESSAGE=System is powering down.";
+ q = "SHUTDOWN=power-off";
+ } else if (streq(unit_name, SPECIAL_HALT_TARGET)) {
+ p = "MESSAGE=System is halting.";
+ q = "SHUTDOWN=halt";
+ } else if (streq(unit_name, SPECIAL_REBOOT_TARGET)) {
+ p = "MESSAGE=System is rebooting.";
+ q = "SHUTDOWN=reboot";
+ } else if (streq(unit_name, SPECIAL_KEXEC_TARGET)) {
+ p = "MESSAGE=System is rebooting with kexec.";
+ q = "SHUTDOWN=kexec";
+ } else {
+ p = "MESSAGE=System is shutting down.";
+ q = NULL;
+ }
+
+ return log_struct(LOG_NOTICE, MESSAGE_ID(SD_MESSAGE_SHUTDOWN),
+ p,
+ q, NULL);
+}
+
+static int execute_shutdown_or_sleep(
+ Manager *m,
+ InhibitWhat w,
+ const char *unit_name,
+ DBusError *error) {
+
_cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
const char *mode = "replace", *p;
int r;
char *c;
assert(m);
+ assert(w >= 0);
+ assert(w < _INHIBIT_WHAT_MAX);
assert(unit_name);
+ bus_manager_log_shutdown(m, w, unit_name);
+
r = bus_method_call_with_reply(
m->bus,
"org.freedesktop.systemd1",
@@ -1026,54 +1084,27 @@ static int send_start_unit(Manager *m, const char *unit_name, bool send_resumed,
if (!c)
return -ENOMEM;
+ m->action_unit = unit_name;
free(m->action_job);
m->action_job = c;
- m->send_resumed_after_action_job = send_resumed;
+ m->action_what = w;
return 0;
}
-static int send_prepare_for(Manager *m, InhibitWhat w, bool _active) {
- static const char * const signal_name[_INHIBIT_WHAT_MAX] = {
- [INHIBIT_SHUTDOWN] = "PrepareForShutdown",
- [INHIBIT_SLEEP] = "PrepareForSleep"
- };
-
- dbus_bool_t active = _active;
- _cleanup_dbus_message_unref_ DBusMessage *message = NULL;
-
- assert(m);
- assert(w >= 0);
- assert(w < _INHIBIT_WHAT_MAX);
- assert(signal_name[w]);
-
- message = dbus_message_new_signal("/org/freedesktop/login1", "org.freedesktop.login1.Manager", signal_name[w]);
- if (!message)
- return -ENOMEM;
-
- if (!dbus_message_append_args(message, DBUS_TYPE_BOOLEAN, &active, DBUS_TYPE_INVALID) ||
- !dbus_connection_send(m->bus, message, NULL))
- return -ENOMEM;
-
- return 0;
-}
+static int delay_shutdown_or_sleep(
+ Manager *m,
+ InhibitWhat w,
+ const char *unit_name) {
-static int delay_shutdown_or_sleep(Manager *m, InhibitWhat w, const char *unit_name) {
assert(m);
assert(w >= 0);
assert(w < _INHIBIT_WHAT_MAX);
+ assert(unit_name);
- /* Tell everybody to prepare for shutdown/sleep */
- send_prepare_for(m, w, true);
-
- /* Update timestamp for timeout */
- if (!m->delayed_unit)
- m->delayed_timestamp = now(CLOCK_MONOTONIC);
-
- /* Remember what we want to do, possibly overriding what kind
- * of unit we previously queued. */
- m->delayed_unit = unit_name;
- m->delayed_what = w;
+ m->action_timestamp = now(CLOCK_MONOTONIC);
+ m->action_unit = unit_name;
+ m->action_what = w;
return 0;
}
@@ -1201,39 +1232,29 @@ finish:
return 0;
}
-static int bus_manager_log_shutdown(
- Manager *m,
- InhibitWhat w,
- const char *unit_name) {
+static int send_prepare_for(Manager *m, InhibitWhat w, bool _active) {
+ static const char * const signal_name[_INHIBIT_WHAT_MAX] = {
+ [INHIBIT_SHUTDOWN] = "PrepareForShutdown",
+ [INHIBIT_SLEEP] = "PrepareForSleep"
+ };
- const char *p, *q;
+ dbus_bool_t active = _active;
+ _cleanup_dbus_message_unref_ DBusMessage *message = NULL;
assert(m);
- assert(unit_name);
+ assert(w >= 0);
+ assert(w < _INHIBIT_WHAT_MAX);
+ assert(signal_name[w]);
- if (w != INHIBIT_SHUTDOWN)
- return 0;
+ message = dbus_message_new_signal("/org/freedesktop/login1", "org.freedesktop.login1.Manager", signal_name[w]);
+ if (!message)
+ return -ENOMEM;
- if (streq(unit_name, SPECIAL_POWEROFF_TARGET)) {
- p = "MESSAGE=System is powering down.";
- q = "SHUTDOWN=power-off";
- } else if (streq(unit_name, SPECIAL_HALT_TARGET)) {
- p = "MESSAGE=System is halting.";
- q = "SHUTDOWN=halt";
- } else if (streq(unit_name, SPECIAL_REBOOT_TARGET)) {
- p = "MESSAGE=System is rebooting.";
- q = "SHUTDOWN=reboot";
- } else if (streq(unit_name, SPECIAL_KEXEC_TARGET)) {
- p = "MESSAGE=System is rebooting with kexec.";
- q = "SHUTDOWN=kexec";
- } else {
- p = "MESSAGE=System is shutting down.";
- q = NULL;
- }
+ if (!dbus_message_append_args(message, DBUS_TYPE_BOOLEAN, &active, DBUS_TYPE_INVALID) ||
+ !dbus_connection_send(m->bus, message, NULL))
+ return -ENOMEM;
- return log_struct(LOG_NOTICE, MESSAGE_ID(SD_MESSAGE_SHUTDOWN),
- p,
- q, NULL);
+ return 0;
}
int bus_manager_shutdown_or_sleep_now_or_later(
@@ -1251,6 +1272,9 @@ int bus_manager_shutdown_or_sleep_now_or_later(
assert(w <= _INHIBIT_WHAT_MAX);
assert(!m->action_job);
+ /* Tell everybody to prepare for shutdown/sleep */
+ send_prepare_for(m, w, true);
+
delayed =
m->inhibit_delay_max > 0 &&
manager_is_inhibited(m, w, INHIBIT_DELAY, NULL, false, false, 0);
@@ -1259,13 +1283,10 @@ int bus_manager_shutdown_or_sleep_now_or_later(
/* Shutdown is delayed, keep in mind what we
* want to do, and start a timeout */
r = delay_shutdown_or_sleep(m, w, unit_name);
- else {
- bus_manager_log_shutdown(m, w, unit_name);
-
+ else
/* Shutdown is not delayed, execute it
* immediately */
- r = send_start_unit(m, unit_name, w & INHIBIT_SLEEP, error);
- }
+ r = execute_shutdown_or_sleep(m, w, unit_name, error);
return r;
}
@@ -1302,7 +1323,8 @@ static int bus_manager_do_shutdown_or_sleep(
assert(error);
assert(_reply);
- if (m->action_job || m->delayed_unit)
+ /* Don't allow multiple jobs being executed at the same time */
+ if (m->action_what)
return -EALREADY;
if (!dbus_message_get_args(
@@ -2368,18 +2390,18 @@ DBusHandlerResult bus_message_filter(
DBUS_TYPE_STRING, &result,
DBUS_TYPE_INVALID))
log_error("Failed to parse JobRemoved message: %s", bus_error_message(&error));
+
else if (m->action_job && streq(m->action_job, path)) {
- log_info("Action is complete, result is '%s'.", result);
- free(m->action_job);
- m->action_job = NULL;
- if (m->send_resumed_after_action_job) {
- _cleanup_dbus_message_unref_ DBusMessage *s = NULL;
+ log_info("Operation finished.");
- s = dbus_message_new_signal("/org/freedesktop/login1", "org.freedesktop.login1.Manager", "Resumed");
- if (s)
- dbus_connection_send(m->bus, s, NULL);
- }
+ /* Tell people that they now may take a lock again */
+ send_prepare_for(m, m->action_what, false);
+
+ free(m->action_job);
+ m->action_job = NULL;
+ m->action_unit = NULL;
+ m->action_what = 0;
}
}
@@ -2411,38 +2433,32 @@ finish:
}
int manager_dispatch_delayed(Manager *manager) {
- const char *unit_name;
DBusError error;
- bool delayed;
int r;
assert(manager);
- if (!manager->delayed_unit)
+ if (!manager->action_unit || manager->action_job)
return 0;
/* Continue delay? */
- delayed =
- manager->delayed_timestamp + manager->inhibit_delay_max > now(CLOCK_MONOTONIC) &&
- manager_is_inhibited(manager, manager->delayed_what, INHIBIT_DELAY, NULL, false, false, 0);
- if (delayed)
- return 0;
+ if (manager_is_inhibited(manager, manager->action_what, INHIBIT_DELAY, NULL, false, false, 0)) {
- bus_manager_log_shutdown(manager, manager->delayed_what, manager->delayed_unit);
-
- /* Tell people about it */
- send_prepare_for(manager, manager->delayed_what, false);
+ if (manager->action_timestamp + manager->inhibit_delay_max > now(CLOCK_MONOTONIC))
+ return 0;
- /* Reset delay data */
- unit_name = manager->delayed_unit;
- manager->delayed_unit = NULL;
+ log_info("Delay lock is active but inhibitor timeout is reached.");
+ }
- /* Actually do the shutdown */
+ /* Actually do the operation */
dbus_error_init(&error);
- r = send_start_unit(manager, unit_name, manager->delayed_what & INHIBIT_SLEEP, &error);
+ r = execute_shutdown_or_sleep(manager, manager->action_what, manager->action_unit, &error);
if (r < 0) {
log_warning("Failed to send delayed message: %s", bus_error_message_or_strerror(&error, -r));
dbus_error_free(&error);
+
+ manager->action_unit = NULL;
+ manager->action_what = 0;
return r;
}
diff --git a/src/login/logind.c b/src/login/logind.c
index ed0b7489b9..be793e2a93 100644
--- a/src/login/logind.c
+++ b/src/login/logind.c
@@ -1628,11 +1628,11 @@ int manager_run(Manager *m) {
manager_gc(m, true);
- if (m->delayed_unit) {
+ if (m->action_what != 0) {
usec_t x, y;
x = now(CLOCK_MONOTONIC);
- y = m->delayed_timestamp + m->inhibit_delay_max;
+ y = m->action_timestamp + m->inhibit_delay_max;
msec = x >= y ? 0 : (int) ((y - x) / USEC_PER_MSEC);
}
diff --git a/src/login/logind.h b/src/login/logind.h
index 7a0f8f25b0..904dc20467 100644
--- a/src/login/logind.h
+++ b/src/login/logind.h
@@ -91,17 +91,21 @@ struct Manager {
Hashmap *inhibitor_fds;
Hashmap *button_fds;
- /* If a shutdown was delayed due to a inhibitor this contains
- the unit name we are supposed to start after the delay is
- over */
- const char *delayed_unit;
- InhibitWhat delayed_what;
- usec_t delayed_timestamp;
-
usec_t inhibit_delay_max;
- char* action_job;
- bool send_resumed_after_action_job;
+ /* If an action is currently being executed or is delayed,
+ * this is != 0 and encodes what is being done */
+ InhibitWhat action_what;
+
+ /* If a shutdown/suspend was delayed due to a inhibitor this
+ contains the unit name we are supposed to start after the
+ delay is over */
+ const char *action_unit;
+
+ /* If a shutdown/suspend is currently executed, then this is
+ * the job of it */
+ char *action_job;
+ usec_t action_timestamp;
int idle_action_fd; /* the timer_fd */
usec_t idle_action_usec;
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-14 07:58:23 +0000