#define PIDMAP_ENTRIES ((PID_MAX_LIMIT + 8*PAGE_SIZE - 1)/PAGE_SIZE/8)
+struct bsd_acct_struct;
+
struct pid_namespace {
struct kref kref;
struct pidmap pidmap[PIDMAP_ENTRIES];
int last_pid;
struct task_struct *child_reaper;
struct kmem_cache *pid_cachep;
- int level;
+ unsigned int level;
struct pid_namespace *parent;
#ifdef CONFIG_PROC_FS
struct vfsmount *proc_mnt;
#endif
+#ifdef CONFIG_BSD_PROCESS_ACCT
+ struct bsd_acct_struct *bacct;
+#endif
};
extern struct pid_namespace init_pid_ns;
+#ifdef CONFIG_PID_NS
static inline struct pid_namespace *get_pid_ns(struct pid_namespace *ns)
{
if (ns != &init_pid_ns)
extern struct pid_namespace *copy_pid_ns(unsigned long flags, struct pid_namespace *ns);
extern void free_pid_ns(struct kref *kref);
+extern void zap_pid_ns_processes(struct pid_namespace *pid_ns);
static inline void put_pid_ns(struct pid_namespace *ns)
{
kref_put(&ns->kref, free_pid_ns);
}
-static inline struct pid_namespace *task_active_pid_ns(struct task_struct *tsk)
+#else /* !CONFIG_PID_NS */
+#include <linux/err.h>
+
+static inline struct pid_namespace *get_pid_ns(struct pid_namespace *ns)
{
- return tsk->nsproxy->pid_ns;
+ return ns;
}
-static inline struct task_struct *task_child_reaper(struct task_struct *tsk)
+static inline struct pid_namespace *
+copy_pid_ns(unsigned long flags, struct pid_namespace *ns)
{
- BUG_ON(tsk != current);
- return tsk->nsproxy->pid_ns->child_reaper;
+ if (flags & CLONE_NEWPID)
+ ns = ERR_PTR(-EINVAL);
+ return ns;
}
+static inline void put_pid_ns(struct pid_namespace *ns)
+{
+}
+
+
+static inline void zap_pid_ns_processes(struct pid_namespace *ns)
+{
+ BUG();
+}
+#endif /* CONFIG_PID_NS */
+
+extern struct pid_namespace *task_active_pid_ns(struct task_struct *tsk);
+void pidhash_init(void);
+void pidmap_init(void);
+
#endif /* _LINUX_PID_NS_H */