upgrade to fedora-2.6.12-1.1398.FC4 + vserver 2.0.rc7
[linux-2.6.git] / include / linux / vserver / context.h
index 1fe76e7..79f9053 100644 (file)
@@ -36,6 +36,8 @@
 #define VXF_STATE_SETUP                (1ULL<<32)
 #define VXF_STATE_INIT         (1ULL<<33)
 
+#define VXF_STATE_HELPER       (1ULL<<36)
+
 #define VXF_FORK_RSS           (1ULL<<48)
 #define VXF_PROLIFIC           (1ULL<<49)
 
@@ -43,6 +45,8 @@
 
 #define VXF_ONE_TIME           (0x0003ULL<<32)
 
+#define VXF_INIT_SET           (VXF_STATE_SETUP|VXF_STATE_INIT)
+
 
 /* context caps */
 
 #define VXC_SET_RLIMIT         0x00000002
 
 #define VXC_RAW_ICMP           0x00000100
+#define VXC_SYSLOG             0x00001000
 
 #define VXC_SECURE_MOUNT       0x00010000
 #define VXC_SECURE_REMOUNT     0x00020000
+#define VXC_BINARY_MOUNT       0x00040000
 
+#define VXC_QUOTA_CTL          0x00100000
 
-/* vshelper sync commands */
 
-#define        VS_CONTEXT_CREATED      1
-#define        VS_CONTEXT_DESTROY      2
+/* context state changes */
+
+enum {
+       VSC_STARTUP = 1,
+       VSC_SHUTDOWN,
+
+       VSC_NETUP,
+       VSC_NETDOWN,
+};
 
 
 #ifdef __KERNEL__
 
 struct vx_info {
        struct hlist_node vx_hlist;             /* linked list of contexts */
-       struct rcu_head vx_rcu;                 /* the rcu head */
        xid_t vx_id;                            /* context id */
        atomic_t vx_usecnt;                     /* usage count */
-       atomic_t vx_refcnt;                     /* reference count */
+       atomic_t vx_tasks;                      /* tasks count */
        struct vx_info *vx_parent;              /* parent context */
        int vx_state;                           /* context state */
 
@@ -90,8 +102,7 @@ struct vx_info {
 
        pid_t vx_initpid;                       /* PID of fake init process */
 
-       spinlock_t vx_lock;
-       wait_queue_head_t vx_exit;              /* context exit waitqueue */
+       wait_queue_head_t vx_wait;              /* context exit waitqueue */
 
        struct _vx_limit limit;                 /* vserver limits */
        struct _vx_sched sched;                 /* vserver scheduler */
@@ -108,7 +119,6 @@ struct vx_info {
 #define VXS_PAUSED     0x0010
 #define VXS_ONHOLD     0x0020
 #define VXS_SHUTDOWN   0x0100
-#define VXS_DEFUNCT    0x1000
 #define VXS_RELEASED   0x8000
 
 /* check conditions */
@@ -131,23 +141,19 @@ struct vx_info {
 #define VX_ATR_MASK    0x0F00
 
 
-struct rcu_head;
-
-extern void unhash_vx_info(struct vx_info *);
-
-extern void free_vx_info(struct vx_info *);
+extern void claim_vx_info(struct vx_info *, struct task_struct *);
+extern void release_vx_info(struct vx_info *, struct task_struct *);
 
 extern struct vx_info *locate_vx_info(int);
 extern struct vx_info *locate_or_create_vx_info(int);
 
 extern int get_xid_list(int, unsigned int *, int);
-extern int vx_info_is_hashed(xid_t);
+extern int xid_is_hashed(xid_t);
 
 extern int vx_migrate_task(struct task_struct *, struct vx_info *);
 
-// extern int proc_pid_vx_info(struct task_struct *, char *);
+extern long vs_state_change(struct vx_info *, unsigned int);
 
-extern long vs_context_state(unsigned int);
 
 #endif /* __KERNEL__ */
 #else  /* _VX_CONTEXT_H */