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dbus: to make sure that systemd stays controllable during early bootup, register our services on our own micro usb server in addition to the bus

This commit is contained in:
Lennart Poettering 2010-06-19 03:04:04 +02:00
parent f9704703f3
commit 5e8d1c9a9f
31 changed files with 360 additions and 194 deletions
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4
fixme
View File

@ -59,12 +59,12 @@
* systemd-sysvinit as package
* abstract namespace dbus socket
* patch /etc/init.d/functions with:
if [ $PPID -ne 1 && mountpoint /cgroup/systemd ] ; then echo "You suck!" ; fi
* remove MANAGER_SYSTEM
Regularly:
* look for close() vs. close_nointr() vs. close_nointr_nofail()

4
src/dbus-automount.c
View File

@ -38,12 +38,12 @@
const char bus_automount_interface[] = BUS_AUTOMOUNT_INTERFACE;
DBusHandlerResult bus_automount_message_handler(Unit *u, DBusMessage *message) {
DBusHandlerResult bus_automount_message_handler(Unit *u, DBusConnection *c, DBusMessage *message) {
const BusProperty properties[] = {
BUS_UNIT_PROPERTIES,
{ "org.freedesktop.systemd1.Automount", "Where", bus_property_append_string, "s", u->automount.where },
{ NULL, NULL, NULL, NULL, NULL }
};
return bus_default_message_handler(u->meta.manager, message, INTROSPECTION, properties);
return bus_default_message_handler(u->meta.manager, c, message, INTROSPECTION, properties);
}

2
src/dbus-automount.h
View File

@ -26,7 +26,7 @@
#include "unit.h"
DBusHandlerResult bus_automount_message_handler(Unit *u, DBusMessage *message);
DBusHandlerResult bus_automount_message_handler(Unit *u, DBusConnection *c, DBusMessage *message);
extern const char bus_automount_interface[];

4
src/dbus-device.c
View File

@ -38,12 +38,12 @@
const char bus_device_interface[] = BUS_DEVICE_INTERFACE;
DBusHandlerResult bus_device_message_handler(Unit *u, DBusMessage *message) {
DBusHandlerResult bus_device_message_handler(Unit *u, DBusConnection *c, DBusMessage *message) {
const BusProperty properties[] = {
BUS_UNIT_PROPERTIES,
{ "org.freedesktop.systemd1.Device", "SysFSPath", bus_property_append_string, "s", u->device.sysfs },
{ NULL, NULL, NULL, NULL, NULL }
};
return bus_default_message_handler(u->meta.manager, message, INTROSPECTION, properties);
return bus_default_message_handler(u->meta.manager, c, message, INTROSPECTION, properties);
}

2
src/dbus-device.h
View File

@ -26,7 +26,7 @@
#include "unit.h"
DBusHandlerResult bus_device_message_handler(Unit *u, DBusMessage *message);
DBusHandlerResult bus_device_message_handler(Unit *u, DBusConnection *c, DBusMessage *message);
extern const char bus_device_interface[];

17
src/dbus-job.c
View File

@ -78,7 +78,7 @@ static int bus_job_append_unit(Manager *m, DBusMessageIter *i, const char *prope
return 0;
}
static DBusHandlerResult bus_job_message_dispatch(Job *j, DBusMessage *message) {
static DBusHandlerResult bus_job_message_dispatch(Job *j, DBusConnection *connection, DBusMessage *message) {
const BusProperty properties[] = {
{ "org.freedesktop.systemd1.Job", "Id", bus_property_append_uint32, "u", &j->id },
{ "org.freedesktop.systemd1.Job", "State", bus_job_append_state, "s", &j->state },
@ -88,7 +88,6 @@ static DBusHandlerResult bus_job_message_dispatch(Job *j, DBusMessage *message)
};
DBusMessage *reply = NULL;
Manager *m = j->manager;
if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Job", "Cancel")) {
if (!(reply = dbus_message_new_method_return(message)))
@ -97,10 +96,10 @@ static DBusHandlerResult bus_job_message_dispatch(Job *j, DBusMessage *message)
job_free(j);
} else
return bus_default_message_handler(j->manager, message, INTROSPECTION, properties);
return bus_default_message_handler(j->manager, connection, message, INTROSPECTION, properties);
if (reply) {
if (!dbus_connection_send(m->api_bus, reply, NULL))
if (!dbus_connection_send(connection, reply, NULL))
goto oom;
dbus_message_unref(reply);
@ -115,7 +114,7 @@ oom:
return DBUS_HANDLER_RESULT_NEED_MEMORY;
}
static DBusHandlerResult bus_job_message_handler(DBusConnection *connection, DBusMessage *message, void *data) {
static DBusHandlerResult bus_job_message_handler(DBusConnection *connection, DBusMessage *message, void *data) {
Manager *m = data;
Job *j;
int r;
@ -137,10 +136,10 @@ static DBusHandlerResult bus_job_message_handler(DBusConnection *connection, DB
if (r == -ENOENT)
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
return bus_send_error_reply(m, message, NULL, r);
return bus_send_error_reply(m, connection, message, NULL, r);
}
return bus_job_message_dispatch(j, message);
return bus_job_message_dispatch(j, connection, message);
}
const DBusObjectPathVTable bus_job_vtable = {
@ -183,7 +182,7 @@ void bus_job_send_change_signal(Job *j) {
goto oom;
}
if (!dbus_connection_send(j->manager->api_bus, m, NULL))
if (bus_broadcast(j->manager, m) < 0)
goto oom;
free(p);
@ -228,7 +227,7 @@ void bus_job_send_removed_signal(Job *j, bool success) {
DBUS_TYPE_INVALID))
goto oom;
if (!dbus_connection_send(j->manager->api_bus, m, NULL))
if (bus_broadcast(j->manager, m) < 0)
goto oom;
free(p);

40
src/dbus-manager.c
View File

@ -185,7 +185,7 @@ static int bus_manager_append_n_jobs(Manager *m, DBusMessageIter *i, const char
return 0;
}
static DBusHandlerResult bus_manager_message_handler(DBusConnection *connection, DBusMessage *message, void *data) {
static DBusHandlerResult bus_manager_message_handler(DBusConnection *connection, DBusMessage *message, void *data) {
Manager *m = data;
const BusProperty properties[] = {
@ -226,10 +226,10 @@ static DBusHandlerResult bus_manager_message_handler(DBusConnection *connection
&error,
DBUS_TYPE_STRING, &name,
DBUS_TYPE_INVALID))
return bus_send_error_reply(m, message, &error, -EINVAL);
return bus_send_error_reply(m, connection, message, &error, -EINVAL);
if (!(u = manager_get_unit(m, name)))
return bus_send_error_reply(m, message, NULL, -ENOENT);
return bus_send_error_reply(m, connection, message, NULL, -ENOENT);
if (!(reply = dbus_message_new_method_return(message)))
goto oom;
@ -252,10 +252,10 @@ static DBusHandlerResult bus_manager_message_handler(DBusConnection *connection
&error,
DBUS_TYPE_STRING, &name,
DBUS_TYPE_INVALID))
return bus_send_error_reply(m, message, &error, -EINVAL);
return bus_send_error_reply(m, connection, message, &error, -EINVAL);
if ((r = manager_load_unit(m, name, NULL, &u)) < 0)
return bus_send_error_reply(m, message, NULL, r);
return bus_send_error_reply(m, connection, message, NULL, r);
if (!(reply = dbus_message_new_method_return(message)))
goto oom;
@ -286,10 +286,10 @@ static DBusHandlerResult bus_manager_message_handler(DBusConnection *connection
&error,
DBUS_TYPE_UINT32, &id,
DBUS_TYPE_INVALID))
return bus_send_error_reply(m, message, &error, -EINVAL);
return bus_send_error_reply(m, connection, message, &error, -EINVAL);
if (!(j = manager_get_job(m, id)))
return bus_send_error_reply(m, message, NULL, -ENOENT);
return bus_send_error_reply(m, connection, message, NULL, -ENOENT);
if (!(reply = dbus_message_new_method_return(message)))
goto oom;
@ -449,7 +449,7 @@ static DBusHandlerResult bus_manager_message_handler(DBusConnection *connection
r = set_put(m->subscribed, client);
if (r < 0)
return bus_send_error_reply(m, message, NULL, r);
return bus_send_error_reply(m, connection, message, NULL, r);
if (!(reply = dbus_message_new_method_return(message)))
goto oom;
@ -458,7 +458,7 @@ static DBusHandlerResult bus_manager_message_handler(DBusConnection *connection
char *client;
if (!(client = set_remove(m->subscribed, (char*) dbus_message_get_sender(message))))
return bus_send_error_reply(m, message, NULL, -ENOENT);
return bus_send_error_reply(m, connection, message, NULL, -ENOENT);
free(client);
@ -504,13 +504,13 @@ static DBusHandlerResult bus_manager_message_handler(DBusConnection *connection
DBUS_TYPE_STRING, &name,
DBUS_TYPE_BOOLEAN, &cleanup,
DBUS_TYPE_INVALID))
return bus_send_error_reply(m, message, &error, -EINVAL);
return bus_send_error_reply(m, connection, message, &error, -EINVAL);
if (name && name[0] == 0)
name = NULL;
if ((r = snapshot_create(m, name, cleanup, &s)) < 0)
return bus_send_error_reply(m, message, NULL, r);
return bus_send_error_reply(m, connection, message, NULL, r);
if (!(reply = dbus_message_new_method_return(message)))
goto oom;
@ -609,7 +609,7 @@ static DBusHandlerResult bus_manager_message_handler(DBusConnection *connection
} else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Exit")) {
if (m->running_as == MANAGER_INIT)
return bus_send_error_reply(m, message, NULL, -ENOTSUP);
return bus_send_error_reply(m, connection, message, NULL, -ENOTSUP);
if (!(reply = dbus_message_new_method_return(message)))
goto oom;
@ -623,7 +623,7 @@ static DBusHandlerResult bus_manager_message_handler(DBusConnection *connection
if (r == -ENOMEM)
goto oom;
return bus_send_error_reply(m, message, NULL, r);
return bus_send_error_reply(m, connection, message, NULL, r);
}
e = strv_env_merge(2, m->environment, l);
@ -647,7 +647,7 @@ static DBusHandlerResult bus_manager_message_handler(DBusConnection *connection
if (r == -ENOMEM)
goto oom;
return bus_send_error_reply(m, message, NULL, r);
return bus_send_error_reply(m, connection, message, NULL, r);
}
e = strv_env_delete(m->environment, 1, l);
@ -663,7 +663,7 @@ static DBusHandlerResult bus_manager_message_handler(DBusConnection *connection
m->environment = e;
} else
return bus_default_message_handler(m, message, NULL, properties);
return bus_default_message_handler(m, connection, message, NULL, properties);
if (job_type != _JOB_TYPE_INVALID) {
@ -678,19 +678,19 @@ static DBusHandlerResult bus_manager_message_handler(DBusConnection *connection
DBUS_TYPE_STRING, &name,
DBUS_TYPE_STRING, &smode,
DBUS_TYPE_INVALID))
return bus_send_error_reply(m, message, &error, -EINVAL);
return bus_send_error_reply(m, connection, message, &error, -EINVAL);
if ((mode = job_mode_from_string(smode)) == _JOB_MODE_INVALID)
return bus_send_error_reply(m, message, NULL, -EINVAL);
return bus_send_error_reply(m, connection, message, NULL, -EINVAL);
if ((r = manager_load_unit(m, name, NULL, &u)) < 0)
return bus_send_error_reply(m, message, NULL, r);
return bus_send_error_reply(m, connection, message, NULL, r);
if (job_type == JOB_START && u->meta.only_by_dependency)
return bus_send_error_reply(m, message, NULL, -EPERM);
return bus_send_error_reply(m, connection, message, NULL, -EPERM);
if ((r = manager_add_job(m, job_type, u, mode, true, &j)) < 0)
return bus_send_error_reply(m, message, NULL, r);
return bus_send_error_reply(m, connection, message, NULL, r);
if (!(reply = dbus_message_new_method_return(message)))
goto oom;

4
src/dbus-mount.c
View File

@ -120,7 +120,7 @@ static int bus_mount_append_type(Manager *n, DBusMessageIter *i, const char *pro
return 0;
}
DBusHandlerResult bus_mount_message_handler(Unit *u, DBusMessage *message) {
DBusHandlerResult bus_mount_message_handler(Unit *u, DBusConnection *c, DBusMessage *message) {
const BusProperty properties[] = {
BUS_UNIT_PROPERTIES,
{ "org.freedesktop.systemd1.Mount", "Where", bus_property_append_string, "s", u->mount.where },
@ -135,5 +135,5 @@ DBusHandlerResult bus_mount_message_handler(Unit *u, DBusMessage *message) {
{ NULL, NULL, NULL, NULL, NULL }
};
return bus_default_message_handler(u->meta.manager, message, INTROSPECTION, properties);
return bus_default_message_handler(u->meta.manager, c, message, INTROSPECTION, properties);
}

2
src/dbus-mount.h
View File

@ -26,7 +26,7 @@
#include "unit.h"
DBusHandlerResult bus_mount_message_handler(Unit *u, DBusMessage *message);
DBusHandlerResult bus_mount_message_handler(Unit *u, DBusConnection *c, DBusMessage *message);
extern const char bus_mount_interface[];

4
src/dbus-path.c
View File

@ -41,12 +41,12 @@
const char bus_path_interface[] = BUS_PATH_INTERFACE;
DBusHandlerResult bus_path_message_handler(Unit *u, DBusMessage *message) {
DBusHandlerResult bus_path_message_handler(Unit *u, DBusConnection *c, DBusMessage *message) {
const BusProperty properties[] = {
BUS_UNIT_PROPERTIES,
{ "org.freedesktop.systemd1.Path", "Unit", bus_property_append_string, "s", &u->path.unit->meta.id },
{ NULL, NULL, NULL, NULL, NULL }
};
return bus_default_message_handler(u->meta.manager, message, INTROSPECTION, properties);
return bus_default_message_handler(u->meta.manager, c, message, INTROSPECTION, properties);
}

2
src/dbus-path.h
View File

@ -26,7 +26,7 @@
#include "unit.h"
DBusHandlerResult bus_path_message_handler(Unit *u, DBusMessage *message);
DBusHandlerResult bus_path_message_handler(Unit *u, DBusConnection *c, DBusMessage *message);
extern const char bus_path_interface[];

4
src/dbus-service.c
View File

@ -58,7 +58,7 @@ const char bus_service_interface[] = BUS_SERVICE_INTERFACE;
static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_service_append_type, service_type, ServiceType);
static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_service_append_restart, service_restart, ServiceRestart);
DBusHandlerResult bus_service_message_handler(Unit *u, DBusMessage *message) {
DBusHandlerResult bus_service_message_handler(Unit *u, DBusConnection *connection, DBusMessage *message) {
const BusProperty properties[] = {
BUS_UNIT_PROPERTIES,
{ "org.freedesktop.systemd1.Service", "Type", bus_service_append_type, "s", &u->service.type },
@ -81,5 +81,5 @@ DBusHandlerResult bus_service_message_handler(Unit *u, DBusMessage *message) {
{ NULL, NULL, NULL, NULL, NULL }
};
return bus_default_message_handler(u->meta.manager, message, INTROSPECTION, properties);
return bus_default_message_handler(u->meta.manager, connection, message, INTROSPECTION, properties);
}

2
src/dbus-service.h
View File

@ -26,7 +26,7 @@
#include "unit.h"
DBusHandlerResult bus_service_message_handler(Unit *u, DBusMessage *message);
DBusHandlerResult bus_service_message_handler(Unit *u, DBusConnection *c, DBusMessage *message);
extern const char bus_service_interface[];

6
src/dbus-snapshot.c
View File

@ -39,7 +39,7 @@
const char bus_snapshot_interface[] = BUS_SNAPSHOT_INTERFACE;
DBusHandlerResult bus_snapshot_message_handler(Unit *u, DBusMessage *message) {
DBusHandlerResult bus_snapshot_message_handler(Unit *u, DBusConnection *c, DBusMessage *message) {
const BusProperty properties[] = {
BUS_UNIT_PROPERTIES,
{ "org.freedesktop.systemd1.Snapshot", "Cleanup", bus_property_append_bool, "b", &u->snapshot.cleanup },
@ -59,10 +59,10 @@ DBusHandlerResult bus_snapshot_message_handler(Unit *u, DBusMessage *message) {
goto oom;
} else
return bus_default_message_handler(u->meta.manager, message, INTROSPECTION, properties);
return bus_default_message_handler(u->meta.manager, c, message, INTROSPECTION, properties);
if (reply) {
if (!dbus_connection_send(u->meta.manager->api_bus, reply, NULL))
if (!dbus_connection_send(c, reply, NULL))
goto oom;
dbus_message_unref(reply);

2
src/dbus-snapshot.h
View File

@ -26,7 +26,7 @@
#include "unit.h"
DBusHandlerResult bus_snapshot_message_handler(Unit *u, DBusMessage *message);
DBusHandlerResult bus_snapshot_message_handler(Unit *u, DBusConnection *c, DBusMessage *message);
extern const char bus_snapshot_interface[];

4
src/dbus-socket.c
View File

@ -52,7 +52,7 @@ const char bus_socket_interface[] = BUS_SOCKET_INTERFACE;
static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_socket_append_bind_ipv6_only, socket_address_bind_ipv6_only, SocketAddressBindIPv6Only);
DBusHandlerResult bus_socket_message_handler(Unit *u, DBusMessage *message) {
DBusHandlerResult bus_socket_message_handler(Unit *u, DBusConnection *c, DBusMessage *message) {
const BusProperty properties[] = {
BUS_UNIT_PROPERTIES,
{ "org.freedesktop.systemd1.Socket", "BindIPv6Only", bus_socket_append_bind_ipv6_only, "s", &u->socket.bind_ipv6_only },
@ -69,5 +69,5 @@ DBusHandlerResult bus_socket_message_handler(Unit *u, DBusMessage *message) {
{ NULL, NULL, NULL, NULL, NULL }
};
return bus_default_message_handler(u->meta.manager, message, INTROSPECTION, properties);
return bus_default_message_handler(u->meta.manager, c, message, INTROSPECTION, properties);
}

2
src/dbus-socket.h
View File

@ -26,7 +26,7 @@
#include "unit.h"
DBusHandlerResult bus_socket_message_handler(Unit *u, DBusMessage *message);
DBusHandlerResult bus_socket_message_handler(Unit *u, DBusConnection *c, DBusMessage *message);
extern const char bus_socket_interface[];

4
src/dbus-swap.c
View File

@ -66,7 +66,7 @@ static int bus_swap_append_priority(Manager *m, DBusMessageIter *i, const char *
return 0;
}
DBusHandlerResult bus_swap_message_handler(Unit *u, DBusMessage *message) {
DBusHandlerResult bus_swap_message_handler(Unit *u, DBusConnection *c, DBusMessage *message) {
const BusProperty properties[] = {
BUS_UNIT_PROPERTIES,
{ "org.freedesktop.systemd1.Swap", "What", bus_property_append_string, "s", u->swap.what },
@ -74,5 +74,5 @@ DBusHandlerResult bus_swap_message_handler(Unit *u, DBusMessage *message) {
{ NULL, NULL, NULL, NULL, NULL }
};
return bus_default_message_handler(u->meta.manager, message, INTROSPECTION, properties);
return bus_default_message_handler(u->meta.manager, c, message, INTROSPECTION, properties);
}

2
src/dbus-swap.h
View File

@ -27,7 +27,7 @@
#include "unit.h"
DBusHandlerResult bus_swap_message_handler(Unit *u, DBusMessage *message);
DBusHandlerResult bus_swap_message_handler(Unit *u, DBusConnection *c, DBusMessage *message);
extern const char bus_swap_interface[];

4
src/dbus-target.c
View File

@ -37,11 +37,11 @@
const char bus_target_interface[] = BUS_TARGET_INTERFACE;
DBusHandlerResult bus_target_message_handler(Unit *u, DBusMessage *message) {
DBusHandlerResult bus_target_message_handler(Unit *u, DBusConnection *c, DBusMessage *message) {
const BusProperty properties[] = {
BUS_UNIT_PROPERTIES,
{ NULL, NULL, NULL, NULL, NULL }
};
return bus_default_message_handler(u->meta.manager, message, INTROSPECTION, properties);
return bus_default_message_handler(u->meta.manager, c, message, INTROSPECTION, properties);
}

2
src/dbus-target.h
View File

@ -26,7 +26,7 @@
#include "unit.h"
DBusHandlerResult bus_target_message_handler(Unit *u, DBusMessage *message);
DBusHandlerResult bus_target_message_handler(Unit *u, DBusConnection *c, DBusMessage *message);
extern const char bus_target_interface[];

4
src/dbus-timer.c
View File

@ -41,12 +41,12 @@
const char bus_timer_interface[] = BUS_TIMER_INTERFACE;
DBusHandlerResult bus_timer_message_handler(Unit *u, DBusMessage *message) {
DBusHandlerResult bus_timer_message_handler(Unit *u, DBusConnection *c, DBusMessage *message) {
const BusProperty properties[] = {
BUS_UNIT_PROPERTIES,
{ "org.freedesktop.systemd1.Timer", "Unit", bus_property_append_string, "s", &u->timer.unit->meta.id },
{ NULL, NULL, NULL, NULL, NULL }
};
return bus_default_message_handler(u->meta.manager, message, INTROSPECTION, properties);
return bus_default_message_handler(u->meta.manager, c, message, INTROSPECTION, properties);
}

2
src/dbus-timer.h
View File

@ -26,7 +26,7 @@
#include "unit.h"
DBusHandlerResult bus_timer_message_handler(Unit *u, DBusMessage *message);
DBusHandlerResult bus_timer_message_handler(Unit *u, DBusConnection *c, DBusMessage *message);
extern const char bus_timer_interface[];

24
src/dbus-unit.c
View File

@ -255,7 +255,7 @@ int bus_unit_append_cgroups(Manager *m, DBusMessageIter *i, const char *property
DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_unit_append_kill_mode, kill_mode, KillMode);
static DBusHandlerResult bus_unit_message_dispatch(Unit *u, DBusMessage *message) {
static DBusHandlerResult bus_unit_message_dispatch(Unit *u, DBusConnection *connection, DBusMessage *message) {
DBusMessage *reply = NULL;
Manager *m = u->meta.manager;
DBusError error;
@ -273,7 +273,7 @@ static DBusHandlerResult bus_unit_message_dispatch(Unit *u, DBusMessage *message
else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Unit", "Restart"))
job_type = JOB_RESTART;
else if (UNIT_VTABLE(u)->bus_message_handler)
return UNIT_VTABLE(u)->bus_message_handler(u, message);
return UNIT_VTABLE(u)->bus_message_handler(u, connection, message);
else
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
@ -284,20 +284,20 @@ static DBusHandlerResult bus_unit_message_dispatch(Unit *u, DBusMessage *message
int r;
if (job_type == JOB_START && u->meta.only_by_dependency)
return bus_send_error_reply(m, message, NULL, -EPERM);
return bus_send_error_reply(m, connection, message, NULL, -EPERM);
if (!dbus_message_get_args(
message,
&error,
DBUS_TYPE_STRING, &smode,
DBUS_TYPE_INVALID))
return bus_send_error_reply(m, message, &error, -EINVAL);
return bus_send_error_reply(m, connection, message, &error, -EINVAL);
if ((mode = job_mode_from_string(smode)) == _JOB_MODE_INVALID)
return bus_send_error_reply(m, message, NULL, -EINVAL);
return bus_send_error_reply(m, connection, message, NULL, -EINVAL);
if ((r = manager_add_job(m, job_type, u, mode, true, &j)) < 0)
return bus_send_error_reply(m, message, NULL, r);
return bus_send_error_reply(m, connection, message, NULL, r);
if (!(reply = dbus_message_new_method_return(message)))
goto oom;
@ -315,7 +315,7 @@ static DBusHandlerResult bus_unit_message_dispatch(Unit *u, DBusMessage *message
free(path);
if (reply) {
if (!dbus_connection_send(m->api_bus, reply, NULL))
if (!dbus_connection_send(connection, reply, NULL))
goto oom;
dbus_message_unref(reply);
@ -334,7 +334,7 @@ oom:
return DBUS_HANDLER_RESULT_NEED_MEMORY;
}
static DBusHandlerResult bus_unit_message_handler(DBusConnection *connection, DBusMessage *message, void *data) {
static DBusHandlerResult bus_unit_message_handler(DBusConnection *connection, DBusMessage *message, void *data) {
Manager *m = data;
Unit *u;
int r;
@ -356,10 +356,10 @@ static DBusHandlerResult bus_unit_message_handler(DBusConnection *connection, D
if (r == -ENOENT)
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
return bus_send_error_reply(m, message, NULL, r);
return bus_send_error_reply(m, connection, message, NULL, r);
}
return bus_unit_message_dispatch(u, message);
return bus_unit_message_dispatch(u, connection, message);
}
const DBusObjectPathVTable bus_unit_vtable = {
@ -402,7 +402,7 @@ void bus_unit_send_change_signal(Unit *u) {
goto oom;
}
if (!dbus_connection_send(u->meta.manager->api_bus, m, NULL))
if (bus_broadcast(u->meta.manager, m) < 0)
goto oom;
free(p);
@ -445,7 +445,7 @@ void bus_unit_send_removed_signal(Unit *u) {
DBUS_TYPE_INVALID))
goto oom;
if (!dbus_connection_send(u->meta.manager->api_bus, m, NULL))
if (bus_broadcast(u->meta.manager, m) < 0)
goto oom;
free(p);

367
src/dbus.c
View File

@ -43,6 +43,8 @@
#include "dbus-timer.h"
#include "dbus-path.h"
#define CONNECTIONS_MAX 52
static const char bus_properties_interface[] = BUS_PROPERTIES_INTERFACE;
static const char bus_introspectable_interface[] = BUS_INTROSPECTABLE_INTERFACE;
@ -66,33 +68,24 @@ const char *const bus_interface_table[] = {
};
static const char *error_to_dbus(int error);
static void bus_done_api(Manager *m);
static void bus_done_system(Manager *m);
static void bus_done_private(Manager *m);
static void api_bus_dispatch_status(DBusConnection *bus, DBusDispatchStatus status, void *data) {
static void bus_dispatch_status(DBusConnection *bus, DBusDispatchStatus status, void *data) {
Manager *m = data;
assert(bus);
assert(m);
if (!m->api_bus)
return;
/* We maintain two sets, one for those connections where we
* requested a dispatch, and another where we didn't. And then,
* we move the connections between the two sets. */
assert(m->api_bus == bus);
m->request_api_bus_dispatch = status != DBUS_DISPATCH_COMPLETE;
}
static void system_bus_dispatch_status(DBusConnection *bus, DBusDispatchStatus status, void *data) {
Manager *m = data;
assert(bus);
assert(m);
if (!m->system_bus)
return;
assert(m->system_bus == bus);
m->request_system_bus_dispatch = status != DBUS_DISPATCH_COMPLETE;
if (status == DBUS_DISPATCH_COMPLETE)
set_move_one(m->bus_connections, m->bus_connections_for_dispatch, bus);
else
set_move_one(m->bus_connections_for_dispatch, m->bus_connections, bus);
}
static uint32_t bus_flags_to_events(DBusWatch *bus_watch) {
@ -472,7 +465,30 @@ static DBusHandlerResult system_bus_message_filter(DBusConnection *connection, D
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
static DBusHandlerResult private_bus_message_filter(DBusConnection *connection, DBusMessage *message, void *data) {
Manager *m = data;
assert(connection);
assert(message);
assert(m);
/* log_debug("Got D-Bus request: %s.%s() on %s", */
/* dbus_message_get_interface(message), */
/* dbus_message_get_member(message), */
/* dbus_message_get_path(message)); */
if (dbus_message_is_signal(message, DBUS_INTERFACE_LOCAL, "Disconnected")) {
set_remove(m->bus_connections, connection);
set_remove(m->bus_connections_for_dispatch, connection);
dbus_connection_unref(connection);
}
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
unsigned bus_dispatch(Manager *m) {
DBusConnection *c;
assert(m);
if (m->queued_message) {
@ -480,23 +496,17 @@ unsigned bus_dispatch(Manager *m) {
* dispatch any D-Bus messages, so that we won't end
* up wanting to queue another message. */
if (!dbus_connection_send(m->api_bus, m->queued_message, NULL))
return 0;
if (m->api_bus)
if (!dbus_connection_send(m->api_bus, m->queued_message, NULL))
return 0;
dbus_message_unref(m->queued_message);
m->queued_message = NULL;
}
if (m->request_api_bus_dispatch) {
if (dbus_connection_dispatch(m->api_bus) == DBUS_DISPATCH_COMPLETE)
m->request_api_bus_dispatch = false;
return 1;
}
if (m->request_system_bus_dispatch) {
if (dbus_connection_dispatch(m->system_bus) == DBUS_DISPATCH_COMPLETE)
m->request_system_bus_dispatch = false;
if ((c = set_first(m->bus_connections_for_dispatch))) {
if (dbus_connection_dispatch(c) == DBUS_DISPATCH_COMPLETE)
set_move_one(m->bus_connections, m->bus_connections_for_dispatch, c);
return 1;
}
@ -689,13 +699,57 @@ static int bus_setup_loop(Manager *m, DBusConnection *bus) {
dbus_connection_set_exit_on_disconnect(bus, FALSE);
if (!dbus_connection_set_watch_functions(bus, bus_add_watch, bus_remove_watch, bus_toggle_watch, m, NULL) ||
!dbus_connection_set_timeout_functions(bus, bus_add_timeout, bus_remove_timeout, bus_toggle_timeout, m, NULL))
!dbus_connection_set_timeout_functions(bus, bus_add_timeout, bus_remove_timeout, bus_toggle_timeout, m, NULL)) {
log_error("Not enough memory");
return -ENOMEM;
}
if (set_put(m->bus_connections_for_dispatch, bus) < 0) {
log_error("Not enough memory");
return -ENOMEM;
}
dbus_connection_set_dispatch_status_function(bus, bus_dispatch_status, m, NULL);
return 0;
}
int bus_init_system(Manager *m) {
static dbus_bool_t allow_only_root(DBusConnection *connection, unsigned long uid, void *data) {
return uid == 0;
}
static void bus_new_connection(
DBusServer *server,
DBusConnection *new_connection,
void *data) {
Manager *m = data;
assert(m);
if (set_size(m->bus_connections) >= CONNECTIONS_MAX) {
log_error("Too many concurrent connections.");
return;
}
dbus_connection_set_unix_user_function(new_connection, allow_only_root, NULL, NULL);
if (bus_setup_loop(m, new_connection) < 0)
return;
if (!dbus_connection_register_object_path(new_connection, "/org/freedesktop/systemd1", &bus_manager_vtable, m) ||
!dbus_connection_register_fallback(new_connection, "/org/freedesktop/systemd1/unit", &bus_unit_vtable, m) ||
!dbus_connection_register_fallback(new_connection, "/org/freedesktop/systemd1/job", &bus_job_vtable, m) ||
!dbus_connection_add_filter(new_connection, private_bus_message_filter, m, NULL)) {
log_error("Not enough memory.");
return;
}
log_debug("Accepted connection on private bus.");
dbus_connection_ref(new_connection);
}
static int bus_init_system(Manager *m) {
DBusError error;
char *id;
int r;
@ -712,22 +766,18 @@ int bus_init_system(Manager *m) {
else {
if (!(m->system_bus = dbus_bus_get_private(DBUS_BUS_SYSTEM, &error))) {
log_debug("Failed to get system D-Bus connection, retrying later: %s", error.message);
dbus_error_free(&error);
return 0;
r = 0;
goto fail;
}
dbus_connection_set_dispatch_status_function(m->system_bus, system_bus_dispatch_status, m, NULL);
m->request_system_bus_dispatch = true;
if ((r = bus_setup_loop(m, m->system_bus)) < 0) {
bus_done_system(m);
return r;
}
if ((r = bus_setup_loop(m, m->system_bus)) < 0)
goto fail;
}
if (!dbus_connection_add_filter(m->system_bus, system_bus_message_filter, m, NULL)) {
bus_done_system(m);
return -ENOMEM;
log_error("Not enough memory");
r = -EIO;
goto fail;
}
dbus_bus_add_match(m->system_bus,
@ -739,9 +789,8 @@ int bus_init_system(Manager *m) {
if (dbus_error_is_set(&error)) {
log_error("Failed to register match: %s", error.message);
dbus_error_free(&error);
bus_done_system(m);
return -ENOMEM;
r = -EIO;
goto fail;
}
log_debug("Successfully connected to system D-Bus bus %s as %s",
@ -750,9 +799,15 @@ int bus_init_system(Manager *m) {
dbus_free(id);
return 0;
fail:
bus_done_system(m);
dbus_error_free(&error);
return r;
}
int bus_init_api(Manager *m) {
static int bus_init_api(Manager *m) {
DBusError error;
char *id;
int r;
@ -764,34 +819,26 @@ int bus_init_api(Manager *m) {
if (m->api_bus)
return 0;
if (m->name_data_slot < 0)
if (!dbus_pending_call_allocate_data_slot(&m->name_data_slot))
return -ENOMEM;
if (m->running_as != MANAGER_SESSION && m->system_bus)
m->api_bus = m->system_bus;
else {
if (!(m->api_bus = dbus_bus_get_private(m->running_as == MANAGER_SESSION ? DBUS_BUS_SESSION : DBUS_BUS_SYSTEM, &error))) {
log_debug("Failed to get API D-Bus connection, retrying later: %s", error.message);
dbus_error_free(&error);
return 0;
r = 0;
goto fail;
}
dbus_connection_set_dispatch_status_function(m->api_bus, api_bus_dispatch_status, m, NULL);
m->request_api_bus_dispatch = true;
if ((r = bus_setup_loop(m, m->api_bus)) < 0) {
bus_done_api(m);
return r;
}
if ((r = bus_setup_loop(m, m->api_bus)) < 0)
goto fail;
}
if (!dbus_connection_register_object_path(m->api_bus, "/org/freedesktop/systemd1", &bus_manager_vtable, m) ||
!dbus_connection_register_fallback(m->api_bus, "/org/freedesktop/systemd1/unit", &bus_unit_vtable, m) ||
!dbus_connection_register_fallback(m->api_bus, "/org/freedesktop/systemd1/job", &bus_job_vtable, m) ||
!dbus_connection_add_filter(m->api_bus, api_bus_message_filter, m, NULL)) {
bus_done_api(m);
return -ENOMEM;
log_error("Not enough memory");
r = -ENOMEM;
goto fail;
}
/* Get NameOwnerChange messages */
@ -805,9 +852,8 @@ int bus_init_api(Manager *m) {
if (dbus_error_is_set(&error)) {
log_error("Failed to register match: %s", error.message);
dbus_error_free(&error);
bus_done_api(m);
return -ENOMEM;
r = -EIO;
goto fail;
}
/* Get activation requests */
@ -821,20 +867,15 @@ int bus_init_api(Manager *m) {
if (dbus_error_is_set(&error)) {
log_error("Failed to register match: %s", error.message);
dbus_error_free(&error);
bus_done_api(m);
return -ENOMEM;
r = -EIO;
goto fail;
}
if ((r = request_name(m)) < 0) {
bus_done_api(m);
return r;
}
if ((r = request_name(m)) < 0)
goto fail;
if ((r = query_name_list(m)) < 0) {
bus_done_api(m);
return r;
}
if ((r = query_name_list(m)) < 0)
goto fail;
log_debug("Successfully connected to API D-Bus bus %s as %s",
strnull((id = dbus_connection_get_server_id(m->api_bus))),
@ -842,23 +883,106 @@ int bus_init_api(Manager *m) {
dbus_free(id);
if (!m->subscribed)
if (!(m->subscribed = set_new(string_hash_func, string_compare_func)))
if (!(m->subscribed = set_new(string_hash_func, string_compare_func))) {
log_error("Not enough memory");
r = -ENOMEM;
goto fail;
}
return 0;
fail:
bus_done_api(m);
dbus_error_free(&error);
return r;
}
static int bus_init_private(Manager *m) {
DBusError error;
int r;
const char *const external_only[] = {
"EXTERNAL",
NULL
};
assert(m);
dbus_error_init(&error);
if (m->private_bus)
return 0;
/* We want the private bus only when running as init */
if (m->running_as != MANAGER_INIT)
return 0;
if (!(m->private_bus = dbus_server_listen("unix:abstract=/org/freedesktop/systemd1/private", &error))) {
log_error("Failed to create private D-Bus server: %s", error.message);
r = -EIO;
goto fail;
}
if (!dbus_server_set_auth_mechanisms(m->private_bus, (const char**) external_only) ||
!dbus_server_set_watch_functions(m->private_bus, bus_add_watch, bus_remove_watch, bus_toggle_watch, m, NULL) ||
!dbus_server_set_timeout_functions(m->private_bus, bus_add_timeout, bus_remove_timeout, bus_toggle_timeout, m, NULL)) {
log_error("Not enough memory");
r = -ENOMEM;
goto fail;
}
dbus_server_set_new_connection_function(m->private_bus, bus_new_connection, m, NULL);
log_debug("Successfully create private D-Bus server.");
return 0;
fail:
bus_done_private(m);
dbus_error_free(&error);
return r;
}
int bus_init(Manager *m) {
int r;
if (set_ensure_allocated(&m->bus_connections, trivial_hash_func, trivial_compare_func) < 0 ||
set_ensure_allocated(&m->bus_connections_for_dispatch, trivial_hash_func, trivial_compare_func) < 0) {
log_error("Not enough memory");
return -ENOMEM;
}
if (m->name_data_slot < 0)
if (!dbus_pending_call_allocate_data_slot(&m->name_data_slot)) {
log_error("Not enough memory");
return -ENOMEM;
}
if ((r = bus_init_system(m)) < 0 ||
(r = bus_init_api(m)) < 0 ||
(r = bus_init_private(m)) < 0)
return r;
return 0;
}
void bus_done_api(Manager *m) {
static void shutdown_connection(DBusConnection *c) {
dbus_connection_set_dispatch_status_function(c, NULL, NULL, NULL);
dbus_connection_flush(c);
dbus_connection_close(c);
dbus_connection_unref(c);
}
static void bus_done_api(Manager *m) {
assert(m);
if (m->api_bus) {
if (m->system_bus == m->api_bus)
m->system_bus = NULL;
dbus_connection_set_dispatch_status_function(m->api_bus, NULL, NULL, NULL);
dbus_connection_flush(m->api_bus);
dbus_connection_close(m->api_bus);
dbus_connection_unref(m->api_bus);
set_remove(m->bus_connections, m->api_bus);
shutdown_connection(m->api_bus);
m->api_bus = NULL;
}
@ -872,30 +996,54 @@ void bus_done_api(Manager *m) {
m->subscribed = NULL;
}
if (m->name_data_slot >= 0)
dbus_pending_call_free_data_slot(&m->name_data_slot);
if (m->queued_message) {
dbus_message_unref(m->queued_message);
m->queued_message = NULL;
}
}
void bus_done_system(Manager *m) {
static void bus_done_system(Manager *m) {
assert(m);
if (m->system_bus == m->api_bus)
bus_done_api(m);
if (m->system_bus) {
dbus_connection_set_dispatch_status_function(m->system_bus, NULL, NULL, NULL);
dbus_connection_flush(m->system_bus);
dbus_connection_close(m->system_bus);
dbus_connection_unref(m->system_bus);
set_remove(m->bus_connections, m->system_bus);
shutdown_connection(m->system_bus);
m->system_bus = NULL;
}
}
static void bus_done_private(Manager *m) {
if (m->private_bus) {
dbus_server_disconnect(m->private_bus);
dbus_server_unref(m->private_bus);
m->private_bus = NULL;
}
}
void bus_done(Manager *m) {
DBusConnection *c;
bus_done_api(m);
bus_done_system(m);
bus_done_private(m);
while ((c = set_steal_first(m->bus_connections)))
shutdown_connection(c);
while ((c = set_steal_first(m->bus_connections_for_dispatch)))
shutdown_connection(c);
set_free(m->bus_connections);
set_free(m->bus_connections_for_dispatch);
if (m->name_data_slot >= 0)
dbus_pending_call_free_data_slot(&m->name_data_slot);
}
static void query_pid_pending_cb(DBusPendingCall *pending, void *userdata) {
Manager *m = userdata;
DBusMessage *reply;
@ -992,7 +1140,7 @@ oom:
return -ENOMEM;
}
DBusHandlerResult bus_default_message_handler(Manager *m, DBusMessage *message, const char*introspection, const BusProperty *properties) {
DBusHandlerResult bus_default_message_handler(Manager *m, DBusConnection *c, DBusMessage *message, const char*introspection, const BusProperty *properties) {
DBusError error;
DBusMessage *reply = NULL;
int r;
@ -1020,7 +1168,7 @@ DBusHandlerResult bus_default_message_handler(Manager *m, DBusMessage *message,
DBUS_TYPE_STRING, &interface,
DBUS_TYPE_STRING, &property,
DBUS_TYPE_INVALID))
return bus_send_error_reply(m, message, &error, -EINVAL);
return bus_send_error_reply(m, c, message, &error, -EINVAL);
for (p = properties; p->property; p++)
if (streq(p->interface, interface) && streq(p->property, property))
@ -1043,7 +1191,7 @@ DBusHandlerResult bus_default_message_handler(Manager *m, DBusMessage *message,
goto oom;
dbus_message_unref(reply);
return bus_send_error_reply(m, message, NULL, r);
return bus_send_error_reply(m, c, message, NULL, r);
}
if (!dbus_message_iter_close_container(&iter, &sub))
@ -1060,7 +1208,7 @@ DBusHandlerResult bus_default_message_handler(Manager *m, DBusMessage *message,
&error,
DBUS_TYPE_STRING, &interface,
DBUS_TYPE_INVALID))
return bus_send_error_reply(m, message, &error, -EINVAL);
return bus_send_error_reply(m, c, message, &error, -EINVAL);
if (!(reply = dbus_message_new_method_return(message)))
goto oom;
@ -1085,7 +1233,7 @@ DBusHandlerResult bus_default_message_handler(Manager *m, DBusMessage *message,
goto oom;
dbus_message_unref(reply);
return bus_send_error_reply(m, message, NULL, r);
return bus_send_error_reply(m, c, message, NULL, r);
}
if (!dbus_message_iter_close_container(&sub2, &sub3) ||
@ -1100,7 +1248,7 @@ DBusHandlerResult bus_default_message_handler(Manager *m, DBusMessage *message,
}
if (reply) {
if (!dbus_connection_send(m->api_bus, reply, NULL))
if (!dbus_connection_send(c, reply, NULL))
goto oom;
dbus_message_unref(reply);
@ -1156,7 +1304,7 @@ static const char *error_to_dbus(int error) {
return DBUS_ERROR_FAILED;
}
DBusHandlerResult bus_send_error_reply(Manager *m, DBusMessage *message, DBusError *bus_error, int error) {
DBusHandlerResult bus_send_error_reply(Manager *m, DBusConnection *c, DBusMessage *message, DBusError *bus_error, int error) {
DBusMessage *reply = NULL;
const char *name, *text;
@ -1171,7 +1319,7 @@ DBusHandlerResult bus_send_error_reply(Manager *m, DBusMessage *message, DBusErr
if (!(reply = dbus_message_new_error(message, name, text)))
goto oom;
if (!dbus_connection_send(m->api_bus, reply, NULL))
if (!dbus_connection_send(c, reply, NULL))
goto oom;
dbus_message_unref(reply);
@ -1191,6 +1339,25 @@ oom:
return DBUS_HANDLER_RESULT_NEED_MEMORY;
}
int bus_broadcast(Manager *m, DBusMessage *message) {
bool oom = false;
Iterator i;
DBusConnection *c;
assert(m);
assert(message);
SET_FOREACH(c, m->bus_connections_for_dispatch, i)
if (c != m->system_bus || m->running_as != MANAGER_SESSION)
oom = !dbus_connection_send(c, message, NULL);
SET_FOREACH(c, m->bus_connections, i)
if (c != m->system_bus || m->running_as != MANAGER_SESSION)
oom = !dbus_connection_send(c, message, NULL);
return oom ? -ENOMEM : 0;
}
int bus_property_append_string(Manager *m, DBusMessageIter *i, const char *property, void *data) {
const char *t = data;

11
src/dbus.h
View File

@ -56,10 +56,8 @@ typedef struct BusProperty {
" </method>\n" \
" </interface>\n"
int bus_init_system(Manager *m);
int bus_init_api(Manager *m);
void bus_done_system(Manager *m);
void bus_done_api(Manager *m);
int bus_init(Manager *m);
void bus_done(Manager *m);
unsigned bus_dispatch(Manager *m);
@ -68,9 +66,10 @@ void bus_timeout_event(Manager *m, Watch *w, int events);
int bus_query_pid(Manager *m, const char *name);
DBusHandlerResult bus_default_message_handler(Manager *m, DBusMessage *message, const char* introspection, const BusProperty *properties);
DBusHandlerResult bus_default_message_handler(Manager *m, DBusConnection *c, DBusMessage *message, const char* introspection, const BusProperty *properties);
DBusHandlerResult bus_send_error_reply(Manager *m, DBusConnection *c, DBusMessage *message, DBusError *bus_error, int error);
DBusHandlerResult bus_send_error_reply(Manager *m, DBusMessage *message, DBusError *bus_error, int error);
int bus_broadcast(Manager *m, DBusMessage *message);
int bus_property_append_string(Manager *m, DBusMessageIter *i, const char *property, void *data);
int bus_property_append_strv(Manager *m, DBusMessageIter *i, const char *property, void *data);

9
src/manager.c
View File

@ -243,8 +243,7 @@ int manager_new(ManagerRunningAs running_as, bool confirm_spawn, Manager **_m) {
goto fail;
/* Try to connect to the busses, if possible. */
if ((r = bus_init_system(m)) < 0 ||
(r = bus_init_api(m)) < 0)
if ((r = bus_init(m)) < 0)
goto fail;
if (asprintf(&p, "%s/%s", m->cgroup_mount_point, m->cgroup_hierarchy) < 0) {
@ -424,8 +423,7 @@ void manager_free(Manager *m) {
* around */
manager_shutdown_cgroup(m, m->exit_code != MANAGER_REEXECUTE);
bus_done_api(m);
bus_done_system(m);
bus_done(m);
hashmap_free(m->units);
hashmap_free(m->jobs);
@ -1826,8 +1824,7 @@ static int manager_process_signal_fd(Manager *m) {
if (!u || UNIT_IS_ACTIVE_OR_RELOADING(unit_active_state(u))) {
log_info("Trying to reconnect to bus...");
bus_init_system(m);
bus_init_api(m);
bus_init(m);
}
if (!u || !UNIT_IS_ACTIVE_OR_ACTIVATING(unit_active_state(u))) {

6
src/manager.h
View File

@ -154,6 +154,9 @@ struct Manager {
/* Data specific to the D-Bus subsystem */
DBusConnection *api_bus, *system_bus;
DBusServer *private_bus;
Set *bus_connections, *bus_connections_for_dispatch;
Set *subscribed;
DBusMessage *queued_message; /* This is used during reloading:
* before the reload we queue the
@ -188,9 +191,6 @@ struct Manager {
bool dispatching_run_queue:1;
bool dispatching_dbus_queue:1;
bool request_api_bus_dispatch:1;
bool request_system_bus_dispatch:1;
bool utmp_reboot_written:1;
bool confirm_spawn:1;

9
src/systemctl.c
View File

@ -1751,7 +1751,6 @@ static int shutdown_parse_argv(int argc, char *argv[]) {
optind = argc;
return 1;
}
static int telinit_parse_argv(int argc, char *argv[]) {
@ -2262,7 +2261,13 @@ int main(int argc, char*argv[]) {
goto finish;
}
if ((bus = dbus_bus_get(arg_session ? DBUS_BUS_SESSION : DBUS_BUS_SYSTEM, &error)))
/* If we are root, then let's not go via the bus */
if (geteuid() == 0 && !arg_session)
bus = dbus_connection_open("unix:abstract=/org/freedesktop/systemd1/private", &error);
else
bus = dbus_bus_get(arg_session ? DBUS_BUS_SESSION : DBUS_BUS_SYSTEM, &error);
if (bus)
dbus_connection_set_exit_on_disconnect(bus, FALSE);
switch (arg_action) {

3
src/unit.c
View File

@ -1030,8 +1030,7 @@ void unit_notify(Unit *u, UnitActiveState os, UnitActiveState ns) {
/* The bus just might have become available,
* hence try to connect to it, if we aren't
* yet connected. */
bus_init_system(u->meta.manager);
bus_init_api(u->meta.manager);
bus_init(u->meta.manager);
}
if (unit_has_name(u, SPECIAL_SYSLOG_SERVICE))

2
src/unit.h
View File

@ -296,7 +296,7 @@ struct UnitVTable {
void (*bus_query_pid_done)(Unit *u, const char *name, pid_t pid);
/* Called for each message received on the bus */
DBusHandlerResult (*bus_message_handler)(Unit *u, DBusMessage *message);
DBusHandlerResult (*bus_message_handler)(Unit *u, DBusConnection *c, DBusMessage *message);
/* This is called for each unit type and should be used to
* enumerate existing devices and load them. However,