attach_options.h File Reference

#include <sys/types.h>

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Data Structures
struct	lxc_attach_options_t
struct	lxc_attach_command_t

Macros
#define	LXC_ATTACH_LSM   (LXC_ATTACH_LSM_EXEC | LXC_ATTACH_LSM_NOW)
#define	LXC_ATTACH_OPTIONS_DEFAULT

Typedefs
typedef enum lxc_attach_env_policy_t	lxc_attach_env_policy_t
typedef int(*	lxc_attach_exec_t )(void *payload)
typedef struct lxc_attach_options_t	lxc_attach_options_t
typedef struct lxc_attach_command_t	lxc_attach_command_t

Enumerations
enum	lxc_attach_env_policy_t { LXC_ATTACH_KEEP_ENV, LXC_ATTACH_CLEAR_ENV }
enum	{   LXC_ATTACH_MOVE_TO_CGROUP = 0x00000001, LXC_ATTACH_DROP_CAPABILITIES = 0x00000002, LXC_ATTACH_SET_PERSONALITY = 0x00000004, LXC_ATTACH_LSM_EXEC = 0x00000008,   LXC_ATTACH_REMOUNT_PROC_SYS = 0x00010000, LXC_ATTACH_LSM_NOW = 0x00020000, LXC_ATTACH_DEFAULT = 0x0000FFFF }

Functions
int	lxc_attach_run_command (void *payload)
	Run a command in the container. More...
int	lxc_attach_run_shell (void *payload)
	Run a shell command in the container. More...

Detailed Description

lxc: linux Container library

(C) Copyright IBM Corp. 2007, 2008

Authors: Daniel Lezcano <daniel.lezcano at free.fr>

This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

Macro Definition Documentation

#define LXC_ATTACH_LSM   (LXC_ATTACH_LSM_EXEC | LXC_ATTACH_LSM_NOW)

All Linux Security Module flags

#define LXC_ATTACH_OPTIONS_DEFAULT

Value:

{ \
        /* .attach_flags = */   LXC_ATTACH_DEFAULT, \
        /* .namespaces = */     -1, \
        /* .personality = */    -1, \
        /* .initial_cwd = */    NULL, \
        /* .uid = */            (uid_t)-1, \
        /* .gid = */            (gid_t)-1, \
        /* .env_policy = */     LXC_ATTACH_KEEP_ENV, \
        /* .extra_env_vars = */ NULL, \
        /* .extra_keep_env = */ NULL, \
        /* .stdin_fd = */       0, 1, 2 \
    }

Default attach options to use

Typedef Documentation

typedef struct lxc_attach_command_t lxc_attach_command_t

Representation of a command to run in a container.

typedef enum lxc_attach_env_policy_t lxc_attach_env_policy_t

LXC environment policy.

typedef int(* lxc_attach_exec_t)(void *payload)

LXC attach function type.

Function to run in container.

Parameters

payload

lxc_attach_command_t to run.

Returns

Function should return 0 on success, and any other value to denote failure.

typedef struct lxc_attach_options_t lxc_attach_options_t

LXC attach options for lxc_container attach().

Enumeration Type Documentation

anonymous enum

Enumerator
LXC_ATTACH_MOVE_TO_CGROUP	Move to cgroup.
LXC_ATTACH_DROP_CAPABILITIES	Drop capabilities.
LXC_ATTACH_SET_PERSONALITY	Set personality.
LXC_ATTACH_LSM_EXEC	Execute under a Linux Security Module.
LXC_ATTACH_REMOUNT_PROC_SYS	Remount /proc filesystem.
LXC_ATTACH_LSM_NOW	FIXME: unknown.
LXC_ATTACH_DEFAULT	Mask of flags to apply by default.

enum lxc_attach_env_policy_t

LXC environment policy.

Enumerator
LXC_ATTACH_KEEP_ENV	Retain the environment.
LXC_ATTACH_CLEAR_ENV	Clear the environment.

Function Documentation

int lxc_attach_run_command

(

void *

payload

)

Run a command in the container.

Parameters

payload

lxc_attach_command_t to run.

Returns

-1 on error, exit code of lxc_attach_command_t program on success.

int lxc_attach_run_shell

(

void *

payload

)

Run a shell command in the container.

Parameters

payload

Not used.

Returns

Exit code of shell.