Add racct. It's an API to keep per-process, per-jail, per-loginclass

and per-loginclass resource accounting information, to be used by the new
resource limits code.  It's connected to the build, but the code that
actually calls the new functions will come later.

Sponsored by:	The FreeBSD Foundation
Reviewed by:	kib (earlier version)

1 files changed, 6 insertions, 1 deletions

diff --git a/sys/sys/jail.h b/sys/sys/jail.h
index 85c629a0a129..b83ac1b8a3c9 100644
--- a/sys/sys/jail.h
+++ b/sys/sys/jail.h
@@ -135,6 +135,8 @@ MALLOC_DECLARE(M_PRISON);
 
 #define	HOSTUUIDLEN	64
 
+struct racct;
+
 /*
  * This structure describes a prison.  It is pointed to by all struct
  * ucreds's of the inmates.  pr_ref keeps track of them and is used to
@@ -166,7 +168,8 @@ struct prison {
 	int		 pr_ip6s;			/* (p) number of v6 IPs */
 	struct in_addr	*pr_ip4;			/* (p) v4 IPs of jail */
 	struct in6_addr	*pr_ip6;			/* (p) v6 IPs of jail */
-	void		*pr_sparep[4];
+	struct racct	*pr_racct;			/* (c) resource accounting */
+	void		*pr_sparep[3];
 	int		 pr_childcount;			/* (a) number of child jails */
 	int		 pr_childmax;			/* (p) maximum child jails */
 	unsigned	 pr_allow;			/* (p) PR_ALLOW_* flags */
@@ -380,6 +383,8 @@ int prison_if(struct ucred *cred, struct sockaddr *sa);
 char *prison_name(struct prison *, struct prison *);
 int prison_priv_check(struct ucred *cred, int priv);
 int sysctl_jail_param(SYSCTL_HANDLER_ARGS);
+void prison_racct_foreach(void (*callback)(struct racct *racct,
+    void *arg2, void *arg3), void *arg2, void *arg3);
 
 #endif /* _KERNEL */
 #endif /* !_SYS_JAIL_H_ */