cgroup.h

   1 /*-*- Mode: C; c-basic-offset: 8 -*-*/
   2
   3 #ifndef foocgrouphfoo
   4 #define foocgrouphfoo
   5
   6 /***
   7   This file is part of systemd.
   8
   9   Copyright 2010 Lennart Poettering
  10
  11   systemd is free software; you can redistribute it and/or modify it
  12   under the terms of the GNU General Public License as published by
  13   the Free Software Foundation; either version 2 of the License, or
  14   (at your option) any later version.
  15
  16   systemd is distributed in the hope that it will be useful, but
  17   WITHOUT ANY WARRANTY; without even the implied warranty of
  18   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  19   General Public License for more details.
  20
  21   You should have received a copy of the GNU General Public License
  22   along with systemd; If not, see <http://www.gnu.org/licenses/>.
  23 ***/
  24
  25 #include <libcgroup.h>
  26
  27 typedef struct CGroupBonding CGroupBonding;
  28
  29 #include "unit.h"
  30
  31 /* Binds a cgroup to a name */
  32 struct CGroupBonding {
  33         char *controller;
  34         char *path;
  35
  36         Unit *unit;
  37
  38         struct cgroup *cgroup;
  39
  40         /* When shutting down, kill all tasks? */
  41         bool kill_all:1;
  42
  43         /* When shutting down, remove cgroup? */
  44         bool clean_up:1;
  45
  46         /* When our tasks are the only ones in this group */
  47         bool only_us:1;
  48
  49         /* Inherit parameters from parent group */
  50         bool inherit:1;
  51
  52         /* For the Unit::cgroup_bondings list */
  53         LIST_FIELDS(CGroupBonding, by_unit);
  54
  55         /* For the Manager::cgroup_bondings hashmap */
  56         LIST_FIELDS(CGroupBonding, by_path);
  57 };
  58
  59 int cgroup_bonding_realize(CGroupBonding *b);
  60 int cgroup_bonding_realize_list(CGroupBonding *first);
  61
  62 void cgroup_bonding_free(CGroupBonding *b);
  63 void cgroup_bonding_free_list(CGroupBonding *first);
  64
  65 int cgroup_bonding_install(CGroupBonding *b, pid_t pid);
  66 int cgroup_bonding_install_list(CGroupBonding *first, pid_t pid);
  67
  68 int cgroup_bonding_kill(CGroupBonding *b, int sig);
  69 int cgroup_bonding_kill_list(CGroupBonding *first, int sig);
  70
  71 int cgroup_bonding_is_empty(CGroupBonding *b);
  72 int cgroup_bonding_is_empty_list(CGroupBonding *first);
  73
  74 CGroupBonding *cgroup_bonding_find_list(CGroupBonding *first, const char *controller);
  75
  76 #include "manager.h"
  77
  78 int manager_setup_cgroup(Manager *m);
  79 int manager_shutdown_cgroup(Manager *m);
  80
  81 int cgroup_notify_empty(Manager *m, const char *group);
  82
  83 #endif