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-rw-r--r--ANDROID_3.4.5/include/linux/nsproxy.h85
1 files changed, 0 insertions, 85 deletions
diff --git a/ANDROID_3.4.5/include/linux/nsproxy.h b/ANDROID_3.4.5/include/linux/nsproxy.h
deleted file mode 100644
index cc37a55a..00000000
--- a/ANDROID_3.4.5/include/linux/nsproxy.h
+++ /dev/null
@@ -1,85 +0,0 @@
-#ifndef _LINUX_NSPROXY_H
-#define _LINUX_NSPROXY_H
-
-#include <linux/spinlock.h>
-#include <linux/sched.h>
-
-struct mnt_namespace;
-struct uts_namespace;
-struct ipc_namespace;
-struct pid_namespace;
-struct fs_struct;
-
-/*
- * A structure to contain pointers to all per-process
- * namespaces - fs (mount), uts, network, sysvipc, etc.
- *
- * 'count' is the number of tasks holding a reference.
- * The count for each namespace, then, will be the number
- * of nsproxies pointing to it, not the number of tasks.
- *
- * The nsproxy is shared by tasks which share all namespaces.
- * As soon as a single namespace is cloned or unshared, the
- * nsproxy is copied.
- */
-struct nsproxy {
- atomic_t count;
- struct uts_namespace *uts_ns;
- struct ipc_namespace *ipc_ns;
- struct mnt_namespace *mnt_ns;
- struct pid_namespace *pid_ns;
- struct net *net_ns;
-};
-extern struct nsproxy init_nsproxy;
-
-/*
- * the namespaces access rules are:
- *
- * 1. only current task is allowed to change tsk->nsproxy pointer or
- * any pointer on the nsproxy itself
- *
- * 2. when accessing (i.e. reading) current task's namespaces - no
- * precautions should be taken - just dereference the pointers
- *
- * 3. the access to other task namespaces is performed like this
- * rcu_read_lock();
- * nsproxy = task_nsproxy(tsk);
- * if (nsproxy != NULL) {
- * / *
- * * work with the namespaces here
- * * e.g. get the reference on one of them
- * * /
- * } / *
- * * NULL task_nsproxy() means that this task is
- * * almost dead (zombie)
- * * /
- * rcu_read_unlock();
- *
- */
-
-static inline struct nsproxy *task_nsproxy(struct task_struct *tsk)
-{
- return rcu_dereference(tsk->nsproxy);
-}
-
-int copy_namespaces(unsigned long flags, struct task_struct *tsk);
-void exit_task_namespaces(struct task_struct *tsk);
-void switch_task_namespaces(struct task_struct *tsk, struct nsproxy *new);
-void free_nsproxy(struct nsproxy *ns);
-int unshare_nsproxy_namespaces(unsigned long, struct nsproxy **,
- struct fs_struct *);
-int __init nsproxy_cache_init(void);
-
-static inline void put_nsproxy(struct nsproxy *ns)
-{
- if (atomic_dec_and_test(&ns->count)) {
- free_nsproxy(ns);
- }
-}
-
-static inline void get_nsproxy(struct nsproxy *ns)
-{
- atomic_inc(&ns->count);
-}
-
-#endif