src/lxc/start.h

   1 /*
   2  * lxc: linux Container library
   3  *
   4  * (C) Copyright IBM Corp. 2007, 2008
   5  *
   6  * Authors:
   7  * Daniel Lezcano <daniel.lezcano at free.fr>
   8  *
   9  * This library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2.1 of the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this library; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  22  */
  23 #ifndef __lxc_state_h
  24 #define __lxc_state_h
  25
  26 #include "config.h"
  27
  28 #include <lxc/state.h>
  29 #include <sys/param.h>
  30
  31 struct lxc_conf;
  32
  33 struct lxc_handler;
  34
  35 struct lxc_operations {
  36         int (*start)(struct lxc_handler *, void *);
  37         int (*post_start)(struct lxc_handler *, void *);
  38 };
  39
  40 struct cgroup_desc;
  41
  42 struct lxc_handler {
  43         pid_t pid;
  44         char *name;
  45         lxc_state_t state;
  46         int clone_flags;
  47         int sigfd;
  48         sigset_t oldmask;
  49         struct lxc_conf *conf;
  50         struct lxc_operations *ops;
  51         void *data;
  52         int sv[2];
  53         int pinfd;
  54         const char *lxcpath;
  55         struct cgroup_process_info *cgroup;
  56 };
  57
  58 extern struct lxc_handler *lxc_init(const char *name, struct lxc_conf *, const char *);
  59 extern int lxc_spawn(struct lxc_handler *);
  60
  61 extern int lxc_poll(const char *name, struct lxc_handler *handler);
  62 extern void lxc_abort(const char *name, struct lxc_handler *handler);
  63 extern int lxc_set_state(const char *, struct lxc_handler *, lxc_state_t);
  64 extern int lxc_check_inherited(struct lxc_conf *conf, int fd_to_ignore);
  65 int __lxc_start(const char *, struct lxc_conf *, struct lxc_operations *,
  66                 void *, const char *);
  67
  68 #endif
  69