Initial commit from HTC m7ul-3.4.10-jb-crc-ddcfb8c
diff --git a/include/linux/ipc_namespace.h b/include/linux/ipc_namespace.h
new file mode 100644
index 0000000..f6decf8
--- /dev/null
+++ b/include/linux/ipc_namespace.h
@@ -0,0 +1,138 @@
+#ifndef __IPC_NAMESPACE_H__
+#define __IPC_NAMESPACE_H__
+
+#include <linux/err.h>
+#include <linux/idr.h>
+#include <linux/rwsem.h>
+#include <linux/notifier.h>
+#include <linux/nsproxy.h>
+
+#define IPCNS_MEMCHANGED 0x00000001
+#define IPCNS_CREATED 0x00000002
+#define IPCNS_REMOVED 0x00000003
+
+#define IPCNS_CALLBACK_PRI 0
+
+struct user_namespace;
+
+struct ipc_ids {
+ int in_use;
+ unsigned short seq;
+ unsigned short seq_max;
+ struct rw_semaphore rw_mutex;
+ struct idr ipcs_idr;
+};
+
+struct ipc_namespace {
+ atomic_t count;
+ struct ipc_ids ids[3];
+
+ int sem_ctls[4];
+ int used_sems;
+
+ int msg_ctlmax;
+ int msg_ctlmnb;
+ int msg_ctlmni;
+ atomic_t msg_bytes;
+ atomic_t msg_hdrs;
+ int auto_msgmni;
+
+ size_t shm_ctlmax;
+ size_t shm_ctlall;
+ int shm_ctlmni;
+ int shm_tot;
+ int shm_rmid_forced;
+
+ struct notifier_block ipcns_nb;
+
+
+ struct vfsmount *mq_mnt;
+
+
+ unsigned int mq_queues_count;
+
+
+ unsigned int mq_queues_max;
+ unsigned int mq_msg_max;
+ unsigned int mq_msgsize_max;
+
+
+ struct user_namespace *user_ns;
+};
+
+extern struct ipc_namespace init_ipc_ns;
+extern atomic_t nr_ipc_ns;
+
+extern spinlock_t mq_lock;
+
+#ifdef CONFIG_SYSVIPC
+extern int register_ipcns_notifier(struct ipc_namespace *);
+extern int cond_register_ipcns_notifier(struct ipc_namespace *);
+extern void unregister_ipcns_notifier(struct ipc_namespace *);
+extern int ipcns_notify(unsigned long);
+extern void shm_destroy_orphaned(struct ipc_namespace *ns);
+#else
+static inline int register_ipcns_notifier(struct ipc_namespace *ns)
+{ return 0; }
+static inline int cond_register_ipcns_notifier(struct ipc_namespace *ns)
+{ return 0; }
+static inline void unregister_ipcns_notifier(struct ipc_namespace *ns) { }
+static inline int ipcns_notify(unsigned long l) { return 0; }
+static inline void shm_destroy_orphaned(struct ipc_namespace *ns) {}
+#endif
+
+#ifdef CONFIG_POSIX_MQUEUE
+extern int mq_init_ns(struct ipc_namespace *ns);
+#define DFLT_QUEUESMAX 256
+#define DFLT_MSGMAX 10
+#define HARD_MSGMAX (32768*sizeof(void *)/4)
+#define DFLT_MSGSIZEMAX 8192
+#else
+static inline int mq_init_ns(struct ipc_namespace *ns) { return 0; }
+#endif
+
+#if defined(CONFIG_IPC_NS)
+extern struct ipc_namespace *copy_ipcs(unsigned long flags,
+ struct task_struct *tsk);
+static inline struct ipc_namespace *get_ipc_ns(struct ipc_namespace *ns)
+{
+ if (ns)
+ atomic_inc(&ns->count);
+ return ns;
+}
+
+extern void put_ipc_ns(struct ipc_namespace *ns);
+#else
+static inline struct ipc_namespace *copy_ipcs(unsigned long flags,
+ struct task_struct *tsk)
+{
+ if (flags & CLONE_NEWIPC)
+ return ERR_PTR(-EINVAL);
+
+ return tsk->nsproxy->ipc_ns;
+}
+
+static inline struct ipc_namespace *get_ipc_ns(struct ipc_namespace *ns)
+{
+ return ns;
+}
+
+static inline void put_ipc_ns(struct ipc_namespace *ns)
+{
+}
+#endif
+
+#ifdef CONFIG_POSIX_MQUEUE_SYSCTL
+
+struct ctl_table_header;
+extern struct ctl_table_header *mq_register_sysctl_table(void);
+
+#else
+
+static inline struct ctl_table_header *mq_register_sysctl_table(void)
+{
+ return NULL;
+}
+
+#endif
+#endif