summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--Makefile.am5
-rw-r--r--TODO3
-rw-r--r--man/logind.conf.xml38
-rw-r--r--src/login/logind-dbus.c54
-rw-r--r--src/login/logind-gperf.gperf3
-rw-r--r--src/login/logind-inhibit.c2
-rw-r--r--src/login/logind-session.c2
-rw-r--r--src/login/logind.c198
-rw-r--r--src/login/logind.conf3
-rw-r--r--src/login/logind.h20
-rw-r--r--src/shared/util.c22
-rw-r--r--src/shared/util.h3
12 files changed, 324 insertions, 29 deletions
diff --git a/Makefile.am b/Makefile.am
index dad97ca45b..2d3378e309 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -2658,6 +2658,8 @@ systemd_logind_SOURCES = \
src/login/logind-dbus.c \
src/login/logind-device.c \
src/login/logind-device.h \
+ src/login/logind-button.c \
+ src/login/logind-button.h \
src/login/logind-seat.c \
src/login/logind-seat.h \
src/login/logind-session.c \
@@ -2873,7 +2875,8 @@ rootlibexec_PROGRAMS += \
dist_udevrules_DATA += \
src/login/70-uaccess.rules \
- src/login/71-seat.rules
+ src/login/71-seat.rules \
+ src/login/70-power-switch.rules
nodist_udevrules_DATA += \
src/login/73-seat-late.rules
diff --git a/TODO b/TODO
index 3b3c451c76..f4d3c63464 100644
--- a/TODO
+++ b/TODO
@@ -31,6 +31,9 @@ Bugfixes:
* properly handle .mount unit state tracking when two mount points are stacked one on top of another on the exact same mount point.
Features:
+
+* nspawn: make use of device cgroup contrller by default
+
* parse kernel cmdline option for capability bset
* logind: listen to power-button events
diff --git a/man/logind.conf.xml b/man/logind.conf.xml
index 166038b383..09db600143 100644
--- a/man/logind.conf.xml
+++ b/man/logind.conf.xml
@@ -158,7 +158,45 @@
the operation executed
anyway. Defaults to
5s.</para></listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><varname>HandlePowerKey=</varname></term>
+ <term><varname>HandleSleepKey=</varname></term>
+ <term><varname>HandleLidSwitch=</varname></term>
+
+ <listitem><para>Controls whether
+ logind shall handle the system power
+ and sleep keys and the lid switch to
+ trigger system power-off or
+ suspend. Can be one of
+ <literal>no</literal>,
+ <literal>yes</literal> and
+ <literal>always</literal>. If
+ <literal>no</literal> logind will
+ never handle these keys. If
+ <literal>yes</literal> logind will
+ handle these keys when no user is
+ logged in and no inhibitor lock is
+ taken, and trigger a warnig beep
+ otherwise. If set to
+ <literal>always</literal> logind will
+ handle these keys even if a user is
+ logged in or an inhibitor lock is
+ taken. In all cases logind will not
+ handle these keys if a graphical
+ session is in the foreground under the
+ assumption that the graphical session
+ will handle these keys
+ internally. Only input devices with
+ the <literal>power-switch</literal>
+ udev tag will be watched for key
+ events. <varname>HandlePowerKey=</varname>
+ and <varname>HandleSleepKey=</varname>
+ default to <literal>yes</literal>,
+ <varname>HandleLidSwitch=</varname>
+ defaults to
+ <literal>no</literal>.</para></listitem>
</varlistentry>
</variablelist>
diff --git a/src/login/logind-dbus.c b/src/login/logind-dbus.c
index e089eebed9..5cdd0890e3 100644
--- a/src/login/logind-dbus.c
+++ b/src/login/logind-dbus.c
@@ -206,6 +206,9 @@
" <property name=\"BlockInhibited\" type=\"s\" access=\"read\"/>\n" \
" <property name=\"DelayInhibited\" type=\"s\" access=\"read\"/>\n" \
" <property name=\"InhibitDelayMaxUSec\" type=\"t\" access=\"read\"/>\n" \
+ " <property name=\"HandlePowerKey\" type=\"s\" access=\"read\"/>\n" \
+ " <property name=\"HandleSleepKey\" type=\"s\" access=\"read\"/>\n" \
+ " <property name=\"HandleLidSwitch\" type=\"s\" access=\"read\"/>\n" \
" </interface>\n"
#define INTROSPECTION_BEGIN \
@@ -1136,6 +1139,36 @@ finish:
return 0;
}
+int bus_manager_shutdown_or_sleep_now_or_later(
+ Manager *m,
+ const char *unit_name,
+ InhibitWhat w,
+ DBusError *error) {
+
+ bool delayed;
+ int r;
+
+ assert(m);
+ assert(unit_name);
+ assert(w >= 0);
+ assert(w <= _INHIBIT_WHAT_MAX);
+
+ delayed =
+ m->inhibit_delay_max > 0 &&
+ manager_is_inhibited(m, w, INHIBIT_DELAY, NULL);
+
+ if (delayed)
+ /* 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
+ /* Shutdown is not delayed, execute it
+ * immediately */
+ r = send_start_unit(m->bus, unit_name, error);
+
+ return r;
+}
+
static int bus_manager_do_shutdown_or_sleep(
Manager *m,
DBusConnection *connection,
@@ -1150,7 +1183,7 @@ static int bus_manager_do_shutdown_or_sleep(
DBusMessage **_reply) {
dbus_bool_t interactive;
- bool multiple_sessions, blocked, delayed;
+ bool multiple_sessions, blocked;
DBusMessage *reply = NULL;
int r;
@@ -1207,19 +1240,7 @@ static int bus_manager_do_shutdown_or_sleep(
return r;
}
- delayed =
- m->inhibit_delay_max > 0 &&
- manager_is_inhibited(m, w, INHIBIT_DELAY, NULL);
-
- if (delayed) {
- /* 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
- /* Shutdown is not delayed, execute it
- * immediately */
- r = send_start_unit(connection, unit_name, error);
-
+ r = bus_manager_shutdown_or_sleep_now_or_later(m, unit_name, w, error);
if (r < 0)
return r;
@@ -1231,6 +1252,8 @@ static int bus_manager_do_shutdown_or_sleep(
return 0;
}
+static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_manager_append_handle_button, handle_button, HandleButton);
+
static const BusProperty bus_login_manager_properties[] = {
{ "ControlGroupHierarchy", bus_property_append_string, "s", offsetof(Manager, cgroup_path), true },
{ "Controllers", bus_property_append_strv, "as", offsetof(Manager, controllers), true },
@@ -1245,6 +1268,9 @@ static const BusProperty bus_login_manager_properties[] = {
{ "BlockInhibited", bus_manager_append_inhibited, "s", 0 },
{ "DelayInhibited", bus_manager_append_inhibited, "s", 0 },
{ "InhibitDelayMaxUSec", bus_property_append_usec, "t", offsetof(Manager, inhibit_delay_max) },
+ { "HandlePowerKey", bus_manager_append_handle_button, "s", offsetof(Manager, handle_power_key) },
+ { "HandleSleepKey", bus_manager_append_handle_button, "s", offsetof(Manager, handle_sleep_key) },
+ { "HandleLidSwitch", bus_manager_append_handle_button, "s", offsetof(Manager, handle_lid_switch) },
{ NULL, }
};
diff --git a/src/login/logind-gperf.gperf b/src/login/logind-gperf.gperf
index d8ef92a016..72fdad739b 100644
--- a/src/login/logind-gperf.gperf
+++ b/src/login/logind-gperf.gperf
@@ -21,3 +21,6 @@ Login.KillExcludeUsers, config_parse_strv, 0, offsetof(Manager, kill_exclud
Login.Controllers, config_parse_strv, 0, offsetof(Manager, controllers)
Login.ResetControllers, config_parse_strv, 0, offsetof(Manager, reset_controllers)
Login.InhibitDelayMaxSec,config_parse_usec, 0, offsetof(Manager, inhibit_delay_max)
+Login.HandlePowerKey, config_parse_handle_button, 0, offsetof(Manager, handle_power_key)
+Login.HandleSleepKey, config_parse_handle_button, 0, offsetof(Manager, handle_sleep_key)
+Login.HandleLidSwitch, config_parse_handle_button, 0, offsetof(Manager, handle_lid_switch)
diff --git a/src/login/logind-inhibit.c b/src/login/logind-inhibit.c
index 512fc0716b..2d25b79c25 100644
--- a/src/login/logind-inhibit.c
+++ b/src/login/logind-inhibit.c
@@ -297,7 +297,7 @@ int inhibitor_create_fifo(Inhibitor *i) {
zero(ev);
ev.events = 0;
- ev.data.u32 = FD_FIFO_BASE + i->fifo_fd;
+ ev.data.u32 = FD_OTHER_BASE + i->fifo_fd;
if (epoll_ctl(i->manager->epoll_fd, EPOLL_CTL_ADD, i->fifo_fd, &ev) < 0)
return -errno;
diff --git a/src/login/logind-session.c b/src/login/logind-session.c
index 1f3a7f3755..dd0de7805b 100644
--- a/src/login/logind-session.c
+++ b/src/login/logind-session.c
@@ -841,7 +841,7 @@ int session_create_fifo(Session *s) {
zero(ev);
ev.events = 0;
- ev.data.u32 = FD_FIFO_BASE + s->fifo_fd;
+ ev.data.u32 = FD_OTHER_BASE + s->fifo_fd;
if (epoll_ctl(s->manager->epoll_fd, EPOLL_CTL_ADD, s->fifo_fd, &ev) < 0)
return -errno;
diff --git a/src/login/logind.c b/src/login/logind.c
index 8d4f7333c9..0382972e8b 100644
--- a/src/login/logind.c
+++ b/src/login/logind.c
@@ -48,22 +48,29 @@ Manager *manager_new(void) {
m->bus_fd = -1;
m->udev_seat_fd = -1;
m->udev_vcsa_fd = -1;
+ m->udev_button_fd = -1;
m->epoll_fd = -1;
+
m->n_autovts = 6;
m->inhibit_delay_max = 5 * USEC_PER_SEC;
+ m->handle_power_key = HANDLE_YES;
+ m->handle_sleep_key = HANDLE_YES;
+ m->handle_lid_switch = HANDLE_NO;
m->devices = hashmap_new(string_hash_func, string_compare_func);
m->seats = hashmap_new(string_hash_func, string_compare_func);
m->sessions = hashmap_new(string_hash_func, string_compare_func);
m->users = hashmap_new(trivial_hash_func, trivial_compare_func);
m->inhibitors = hashmap_new(string_hash_func, string_compare_func);
+ m->buttons = hashmap_new(string_hash_func, string_compare_func);
m->cgroups = hashmap_new(string_hash_func, string_compare_func);
m->session_fds = hashmap_new(trivial_hash_func, trivial_compare_func);
m->inhibitor_fds = hashmap_new(trivial_hash_func, trivial_compare_func);
+ m->button_fds = hashmap_new(trivial_hash_func, trivial_compare_func);
- if (!m->devices || !m->seats || !m->sessions || !m->users || !m->inhibitors ||
- !m->cgroups || !m->session_fds || !m->inhibitor_fds) {
+ if (!m->devices || !m->seats || !m->sessions || !m->users || !m->inhibitors || !m->buttons ||
+ !m->cgroups || !m->session_fds || !m->inhibitor_fds || !m->button_fds) {
manager_free(m);
return NULL;
}
@@ -95,6 +102,7 @@ void manager_free(Manager *m) {
Device *d;
Seat *s;
Inhibitor *i;
+ Button *b;
assert(m);
@@ -113,24 +121,30 @@ void manager_free(Manager *m) {
while ((i = hashmap_first(m->inhibitors)))
inhibitor_free(i);
+ while ((b = hashmap_first(m->buttons)))
+ button_free(b);
+
hashmap_free(m->devices);
hashmap_free(m->seats);
hashmap_free(m->sessions);
hashmap_free(m->users);
hashmap_free(m->inhibitors);
+ hashmap_free(m->buttons);
hashmap_free(m->cgroups);
hashmap_free(m->session_fds);
hashmap_free(m->inhibitor_fds);
+ hashmap_free(m->button_fds);
if (m->console_active_fd >= 0)
close_nointr_nofail(m->console_active_fd);
if (m->udev_seat_monitor)
udev_monitor_unref(m->udev_seat_monitor);
-
if (m->udev_vcsa_monitor)
udev_monitor_unref(m->udev_vcsa_monitor);
+ if (m->udev_button_monitor)
+ udev_monitor_unref(m->udev_button_monitor);
if (m->udev)
udev_unref(m->udev);
@@ -304,6 +318,30 @@ int manager_add_inhibitor(Manager *m, const char* id, Inhibitor **_inhibitor) {
return 0;
}
+int manager_add_button(Manager *m, const char *name, Button **_button) {
+ Button *b;
+
+ assert(m);
+ assert(name);
+
+ b = hashmap_get(m->buttons, name);
+ if (b) {
+ if (_button)
+ *_button = b;
+
+ return 0;
+ }
+
+ b = button_new(m, name);
+ if (!b)
+ return -ENOMEM;
+
+ if (_button)
+ *_button = b;
+
+ return 0;
+}
+
int manager_process_seat_device(Manager *m, struct udev_device *d) {
Device *device;
int r;
@@ -351,6 +389,39 @@ int manager_process_seat_device(Manager *m, struct udev_device *d) {
return 0;
}
+int manager_process_button_device(Manager *m, struct udev_device *d) {
+ Button *b;
+
+ int r;
+
+ assert(m);
+
+ if (streq_ptr(udev_device_get_action(d), "remove")) {
+
+ b = hashmap_get(m->buttons, udev_device_get_sysname(d));
+ if (!b)
+ return 0;
+
+ button_free(b);
+
+ } else {
+ const char *sn;
+
+ r = manager_add_button(m, udev_device_get_sysname(d), &b);
+ if (r < 0)
+ return r;
+
+ sn = udev_device_get_property_value(d, "ID_SEAT");
+ if (isempty(sn))
+ sn = "seat0";
+
+ button_set_seat(b, sn);
+ button_open(b);
+ }
+
+ return 0;
+}
+
int manager_enumerate_devices(Manager *m) {
struct udev_list_entry *item = NULL, *first = NULL;
struct udev_enumerate *e;
@@ -404,6 +475,58 @@ finish:
return r;
}
+int manager_enumerate_buttons(Manager *m) {
+ struct udev_list_entry *item = NULL, *first = NULL;
+ struct udev_enumerate *e;
+ int r;
+
+ assert(m);
+
+ /* Loads buttons from udev */
+
+ e = udev_enumerate_new(m->udev);
+ if (!e) {
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ r = udev_enumerate_add_match_subsystem(e, "input");
+ if (r < 0)
+ goto finish;
+
+ r = udev_enumerate_add_match_tag(e, "power-switch");
+ if (r < 0)
+ goto finish;
+
+ r = udev_enumerate_scan_devices(e);
+ if (r < 0)
+ goto finish;
+
+ first = udev_enumerate_get_list_entry(e);
+ udev_list_entry_foreach(item, first) {
+ struct udev_device *d;
+ int k;
+
+ d = udev_device_new_from_syspath(m->udev, udev_list_entry_get_name(item));
+ if (!d) {
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ k = manager_process_button_device(m, d);
+ udev_device_unref(d);
+
+ if (k < 0)
+ r = k;
+ }
+
+finish:
+ if (e)
+ udev_enumerate_unref(e);
+
+ return r;
+}
+
int manager_enumerate_seats(Manager *m) {
DIR *d;
struct dirent *de;
@@ -756,6 +879,22 @@ int manager_dispatch_vcsa_udev(Manager *m) {
return r;
}
+int manager_dispatch_button_udev(Manager *m) {
+ struct udev_device *d;
+ int r;
+
+ assert(m);
+
+ d = udev_monitor_receive_device(m->udev_button_monitor);
+ if (!d)
+ return -ENOMEM;
+
+ r = manager_process_button_device(m, d);
+ udev_device_unref(d);
+
+ return r;
+}
+
int manager_dispatch_console(Manager *m) {
assert(m);
@@ -926,9 +1065,10 @@ void manager_cgroup_notify_empty(Manager *m, const char *cgroup) {
session_add_to_gc_queue(s);
}
-static void manager_pipe_notify_eof(Manager *m, int fd) {
+static void manager_dispatch_other(Manager *m, int fd) {
Session *s;
Inhibitor *i;
+ Button *b;
assert_se(m);
assert_se(fd >= 0);
@@ -949,7 +1089,14 @@ static void manager_pipe_notify_eof(Manager *m, int fd) {
return;
}
- assert_not_reached("Got EOF on unknown pipe");
+ b = hashmap_get(m->button_fds, INT_TO_PTR(fd + 1));
+ if (b) {
+ assert(b->fd == fd);
+ button_process(b);
+ return;
+ }
+
+ assert_not_reached("Got event for unknown fd");
}
static int manager_connect_bus(Manager *m) {
@@ -1064,6 +1211,7 @@ static int manager_connect_udev(Manager *m) {
assert(m);
assert(!m->udev_seat_monitor);
assert(!m->udev_vcsa_monitor);
+ assert(!m->udev_button_monitor);
m->udev_seat_monitor = udev_monitor_new_from_netlink(m->udev, "udev");
if (!m->udev_seat_monitor)
@@ -1087,13 +1235,38 @@ static int manager_connect_udev(Manager *m) {
ev.events = EPOLLIN;
ev.data.u32 = FD_SEAT_UDEV;
+ if (epoll_ctl(m->epoll_fd, EPOLL_CTL_ADD, m->udev_seat_fd, &ev) < 0)
+ return -errno;
+
+ m->udev_button_monitor = udev_monitor_new_from_netlink(m->udev, "udev");
+ if (!m->udev_button_monitor)
+ return -ENOMEM;
+
+ r = udev_monitor_filter_add_match_tag(m->udev_button_monitor, "power-switch");
+ if (r < 0)
+ return r;
+
+ r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_button_monitor, "input", NULL);
+ if (r < 0)
+ return r;
+
+ r = udev_monitor_enable_receiving(m->udev_button_monitor);
+ if (r < 0)
+ return r;
+
+ m->udev_button_fd = udev_monitor_get_fd(m->udev_button_monitor);
+
+ zero(ev);
+ ev.events = EPOLLIN;
+ ev.data.u32 = FD_BUTTON_UDEV;
+
+ if (epoll_ctl(m->epoll_fd, EPOLL_CTL_ADD, m->udev_button_fd, &ev) < 0)
+ return -errno;
+
/* Don't bother watching VCSA devices, if nobody cares */
if (m->n_autovts <= 0 || m->console_active_fd < 0)
return 0;
- if (epoll_ctl(m->epoll_fd, EPOLL_CTL_ADD, m->udev_seat_fd, &ev) < 0)
- return -errno;
-
m->udev_vcsa_monitor = udev_monitor_new_from_netlink(m->udev, "udev");
if (!m->udev_vcsa_monitor)
return -ENOMEM;
@@ -1239,6 +1412,7 @@ int manager_startup(Manager *m) {
manager_enumerate_users(m);
manager_enumerate_sessions(m);
manager_enumerate_inhibitors(m);
+ manager_enumerate_buttons(m);
/* Remove stale objects before we start them */
manager_gc(m, false);
@@ -1308,6 +1482,10 @@ int manager_run(Manager *m) {
manager_dispatch_vcsa_udev(m);
break;
+ case FD_BUTTON_UDEV:
+ manager_dispatch_button_udev(m);
+ break;
+
case FD_CONSOLE:
manager_dispatch_console(m);
break;
@@ -1317,8 +1495,8 @@ int manager_run(Manager *m) {
break;
default:
- if (event.data.u32 >= FD_FIFO_BASE)
- manager_pipe_notify_eof(m, event.data.u32 - FD_FIFO_BASE);
+ if (event.data.u32 >= FD_OTHER_BASE)
+ manager_dispatch_other(m, event.data.u32 - FD_OTHER_BASE);
}
}
diff --git a/src/login/logind.conf b/src/login/logind.conf
index c0779a7685..4f012e5d89 100644
--- a/src/login/logind.conf
+++ b/src/login/logind.conf
@@ -15,3 +15,6 @@
#Controllers=
#ResetControllers=cpu
#InhibitDelayMaxSec=5
+#HandlePowerKey=yes
+#HandleSleepKey=yes
+#HandleLidSwitch=no
diff --git a/src/login/logind.h b/src/login/logind.h
index 24332210c2..6fcef6f310 100644
--- a/src/login/logind.h
+++ b/src/login/logind.h
@@ -40,6 +40,7 @@ typedef struct Manager Manager;
#include "logind-session.h"
#include "logind-user.h"
#include "logind-inhibit.h"
+#include "logind-button.h"
struct Manager {
DBusConnection *bus;
@@ -49,16 +50,18 @@ struct Manager {
Hashmap *sessions;
Hashmap *users;
Hashmap *inhibitors;
+ Hashmap *buttons;
LIST_HEAD(Seat, seat_gc_queue);
LIST_HEAD(Session, session_gc_queue);
LIST_HEAD(User, user_gc_queue);
struct udev *udev;
- struct udev_monitor *udev_seat_monitor, *udev_vcsa_monitor;
+ struct udev_monitor *udev_seat_monitor, *udev_vcsa_monitor, *udev_button_monitor;
int udev_seat_fd;
int udev_vcsa_fd;
+ int udev_button_fd;
int console_active_fd;
int bus_fd;
@@ -81,6 +84,7 @@ struct Manager {
Hashmap *cgroups;
Hashmap *session_fds;
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
@@ -90,20 +94,26 @@ struct Manager {
usec_t delayed_timestamp;
usec_t inhibit_delay_max;
+
+ HandleButton handle_power_key;
+ HandleButton handle_sleep_key;
+ HandleButton handle_lid_switch;
};
enum {
FD_SEAT_UDEV,
FD_VCSA_UDEV,
+ FD_BUTTON_UDEV,
FD_CONSOLE,
FD_BUS,
- FD_FIFO_BASE
+ FD_OTHER_BASE
};
Manager *manager_new(void);
void manager_free(Manager *m);
int manager_add_device(Manager *m, const char *sysfs, Device **_device);
+int manager_add_button(Manager *m, const char *name, Button **_button);
int manager_add_seat(Manager *m, const char *id, Seat **_seat);
int manager_add_session(Manager *m, User *u, const char *id, Session **_session);
int manager_add_user(Manager *m, uid_t uid, gid_t gid, const char *name, User **_user);
@@ -112,11 +122,15 @@ int manager_add_user_by_uid(Manager *m, uid_t uid, User **_user);
int manager_add_inhibitor(Manager *m, const char* id, Inhibitor **_inhibitor);
int manager_process_seat_device(Manager *m, struct udev_device *d);
+int manager_process_button_device(Manager *m, struct udev_device *d);
+
int manager_dispatch_seat_udev(Manager *m);
int manager_dispatch_vcsa_udev(Manager *m);
+int manager_dispatch_button_udev(Manager *m);
int manager_dispatch_console(Manager *m);
int manager_enumerate_devices(Manager *m);
+int manager_enumerate_buttons(Manager *m);
int manager_enumerate_seats(Manager *m);
int manager_enumerate_sessions(Manager *m);
int manager_enumerate_users(Manager *m);
@@ -139,6 +153,8 @@ extern const DBusObjectPathVTable bus_manager_vtable;
DBusHandlerResult bus_message_filter(DBusConnection *c, DBusMessage *message, void *userdata);
+int bus_manager_shutdown_or_sleep_now_or_later(Manager *m, const char *unit_name, InhibitWhat w, DBusError *error);
+
int manager_send_changed(Manager *manager, const char *properties);
int manager_dispatch_delayed(Manager *manager);
diff --git a/src/shared/util.c b/src/shared/util.c
index 7d98dc6e4f..70b159f8c3 100644
--- a/src/shared/util.c
+++ b/src/shared/util.c
@@ -5639,3 +5639,25 @@ bool in_initrd(void) {
return saved;
}
+
+void warn_melody(void) {
+ int fd;
+
+ fd = open("/dev/console", O_WRONLY|O_CLOEXEC|O_NOCTTY);
+ if (fd < 0)
+ return;
+
+ /* Yeah, this is synchronous. Kinda sucks. Bute well... */
+
+ ioctl(fd, KIOCSOUND, (int)(1193180/440));
+ usleep(125*USEC_PER_MSEC);
+
+ ioctl(fd, KIOCSOUND, (int)(1193180/220));
+ usleep(125*USEC_PER_MSEC);
+
+ ioctl(fd, KIOCSOUND, (int)(1193180/220));
+ usleep(125*USEC_PER_MSEC);
+
+ ioctl(fd, KIOCSOUND, 0);
+ close_nointr_nofail(fd);
+}
diff --git a/src/shared/util.h b/src/shared/util.h
index 2d890fa6a3..35ff2e3547 100644
--- a/src/shared/util.h
+++ b/src/shared/util.h
@@ -513,4 +513,7 @@ int can_sleep(const char *type);
bool is_valid_documentation_url(const char *url);
bool in_initrd(void);
+
+void warn_melody(void);
+
#endif
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-07-07 08:02:13 +0000