The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/sys/jail.h

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    1 /*
    2  * ----------------------------------------------------------------------------
    3  * "THE BEER-WARE LICENSE" (Revision 42):
    4  * <phk@FreeBSD.org> wrote this file.  As long as you retain this notice you
    5  * can do whatever you want with this stuff. If we meet some day, and you think
    6  * this stuff is worth it, you can buy me a beer in return.   Poul-Henning Kamp
    7  * ----------------------------------------------------------------------------
    8  *
    9  * $FreeBSD$
   10  *
   11  */
   12 
   13 #ifndef _SYS_JAIL_H_
   14 #define _SYS_JAIL_H_
   15 
   16 struct jail {
   17         u_int32_t       version;
   18         char            *path;
   19         char            *hostname;
   20         u_int32_t       ip_number;
   21 };
   22 
   23 #ifndef _KERNEL
   24 
   25 int jail __P((struct jail *));
   26 
   27 #else /* _KERNEL */
   28 
   29 #ifdef MALLOC_DECLARE
   30 MALLOC_DECLARE(M_PRISON);
   31 #endif
   32 
   33 /*
   34  * This structure describes a prison.  It is pointed to by all struct
   35  * proc's of the inmates.  pr_ref keeps track of them and is used to
   36  * delete the struture when the last inmate is dead.
   37  */
   38 
   39 struct prison {
   40         int             pr_ref;
   41         char            pr_host[MAXHOSTNAMELEN];
   42         u_int32_t       pr_ip;
   43         void            *pr_linux;
   44 };
   45 
   46 /*
   47  * Sysctl-set variables that determine global jail policy
   48  */
   49 extern int      jail_set_hostname_allowed;
   50 extern int      jail_socket_unixiproute_only;
   51 extern int      jail_sysvipc_allowed;
   52 
   53 #endif /* !_KERNEL */
   54 #endif /* !_SYS_JAIL_H_ */

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