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bc432dc7eb
Previously a cgroup setting down tree would result in cgroup membership additions being propagated up the tree and to the siblings, however a unit could never lose cgroup memberships again. With this change we'll make sure that both cgroup additions and removals propagate properly.
96 lines
3.2 KiB
C
96 lines
3.2 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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/***
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This file is part of systemd.
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Copyright 2010 Lennart Poettering
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Copyright 2010 Maarten Lankhorst
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include "unit.h"
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#include "swap.h"
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#include "dbus-unit.h"
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#include "dbus-execute.h"
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#include "dbus-kill.h"
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#include "dbus-cgroup.h"
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#include "dbus-swap.h"
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#include "bus-util.h"
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static int property_get_priority(
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sd_bus *bus,
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const char *path,
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const char *interface,
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const char *property,
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sd_bus_message *reply,
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void *userdata,
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sd_bus_error *error) {
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Swap *s = SWAP(userdata);
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int p;
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assert(bus);
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assert(reply);
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assert(s);
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if (s->from_proc_swaps)
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p = s->parameters_proc_swaps.priority;
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else if (s->from_fragment)
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p = s->parameters_fragment.priority;
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else
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p = -1;
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return sd_bus_message_append(reply, "i", p);
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}
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static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_result, swap_result, SwapResult);
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const sd_bus_vtable bus_swap_vtable[] = {
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SD_BUS_VTABLE_START(0),
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SD_BUS_PROPERTY("What", "s", NULL, offsetof(Swap, what), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
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SD_BUS_PROPERTY("Priority", "i", property_get_priority, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
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SD_BUS_PROPERTY("TimeoutUSec", "t", bus_property_get_usec, offsetof(Swap, timeout_usec), SD_BUS_VTABLE_PROPERTY_CONST),
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SD_BUS_PROPERTY("ControlPID", "u", bus_property_get_pid, offsetof(Swap, control_pid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
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SD_BUS_PROPERTY("Result", "s", property_get_result, offsetof(Swap, result), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
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BUS_EXEC_COMMAND_VTABLE("ExecActivate", offsetof(Swap, exec_command[SWAP_EXEC_ACTIVATE]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
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BUS_EXEC_COMMAND_VTABLE("ExecDeactivate", offsetof(Swap, exec_command[SWAP_EXEC_DEACTIVATE]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
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SD_BUS_VTABLE_END
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};
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int bus_swap_set_property(
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Unit *u,
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const char *name,
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sd_bus_message *message,
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UnitSetPropertiesMode mode,
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sd_bus_error *error) {
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Swap *s = SWAP(u);
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assert(s);
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assert(name);
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assert(message);
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return bus_cgroup_set_property(u, &s->cgroup_context, name, message, mode, error);
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}
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int bus_swap_commit_properties(Unit *u) {
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assert(u);
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unit_update_cgroup_members_masks(u);
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unit_realize_cgroup(u);
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return 0;
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}
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