Better documentation for ERESTARTSYS

[safe/jmp/linux-2.6] / include / linux / proc_fs.h

diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h
index 6b12b0f..3469f96 100644 (file)
--- a/include/linux/proc_fs.h
+++ b/include/linux/proc_fs.h
@@ -1,10 +1,10 @@
 #ifndef _LINUX_PROC_FS_H
 #define _LINUX_PROC_FS_H
 
-#include <linux/config.h>
 #include <linux/slab.h>
 #include <linux/fs.h>
 #include <linux/spinlock.h>
+#include <linux/magic.h>
 #include <asm/atomic.h>
 
 /*
@@ -25,8 +25,6 @@ enum {
        PROC_ROOT_INO = 1,
 };
 
-#define PROC_SUPER_MAGIC 0x9fa0
-
 /*
  * This is not completely implemented yet. The idea is to
  * create an in-memory tree (like the actual /proc filesystem
@@ -56,9 +54,9 @@ struct proc_dir_entry {
        nlink_t nlink;
        uid_t uid;
        gid_t gid;
-       unsigned long size;
-       struct inode_operations * proc_iops;
-       struct file_operations * proc_fops;
+       loff_t size;
+       const struct inode_operations *proc_iops;
+       const struct file_operations *proc_fops;
        get_info_t *get_info;
        struct module *owner;
        struct proc_dir_entry *next, *parent, *subdir;
@@ -79,7 +77,7 @@ struct kcore_list {
 struct vmcore {
        struct list_head list;
        unsigned long long paddr;
-       unsigned long size;
+       unsigned long long size;
        loff_t offset;
 };
 
@@ -100,13 +98,16 @@ extern void proc_misc_init(void);
 
 struct mm_struct;
 
+void proc_flush_task(struct task_struct *task);
 struct dentry *proc_pid_lookup(struct inode *dir, struct dentry * dentry, struct nameidata *);
-struct dentry *proc_pid_unhash(struct task_struct *p);
-void proc_pid_flush(struct dentry *proc_dentry);
 int proc_pid_readdir(struct file * filp, void * dirent, filldir_t filldir);
 unsigned long task_vsize(struct mm_struct *);
 int task_statm(struct mm_struct *, int *, int *, int *, int *);
 char *task_mem(struct mm_struct *, char *);
+void clear_refs_smap(struct mm_struct *mm);
+
+struct proc_dir_entry *de_get(struct proc_dir_entry *de);
+void de_put(struct proc_dir_entry *de);
 
 extern struct proc_dir_entry *create_proc_entry(const char *name, mode_t mode,
                                                struct proc_dir_entry *parent);
@@ -116,8 +117,6 @@ extern struct vfsmount *proc_mnt;
 extern int proc_fill_super(struct super_block *,void *,int);
 extern struct inode *proc_get_inode(struct super_block *, unsigned int, struct proc_dir_entry *);
 
-extern int proc_match(int, const char *,struct proc_dir_entry *);
-
 /*
  * These are generic /proc routines that use the internal
  * "struct proc_dir_entry" tree to traverse the filesystem.
@@ -128,9 +127,9 @@ extern int proc_match(int, const char *,struct proc_dir_entry *);
 extern int proc_readdir(struct file *, void *, filldir_t);
 extern struct dentry *proc_lookup(struct inode *, struct dentry *, struct nameidata *);
 
-extern struct file_operations proc_kcore_operations;
-extern struct file_operations proc_kmsg_operations;
-extern struct file_operations ppc_htab_operations;
+extern const struct file_operations proc_kcore_operations;
+extern const struct file_operations proc_kmsg_operations;
+extern const struct file_operations ppc_htab_operations;
 
 /*
  * proc_tty.c
@@ -189,7 +188,7 @@ static inline struct proc_dir_entry *proc_net_create(const char *name,
 }
 
 static inline struct proc_dir_entry *proc_net_fops_create(const char *name,
-       mode_t mode, struct file_operations *fops)
+       mode_t mode, const struct file_operations *fops)
 {
        struct proc_dir_entry *res = create_proc_entry(name, mode, proc_net);
        if (res)
@@ -212,8 +211,7 @@ static inline void proc_net_remove(const char *name)
 #define proc_net_create(name, mode, info)      ({ (void)(mode), NULL; })
 static inline void proc_net_remove(const char *name) {}
 
-static inline struct dentry *proc_pid_unhash(struct task_struct *p) { return NULL; }
-static inline void proc_pid_flush(struct dentry *proc_dentry) { }
+static inline void proc_flush_task(struct task_struct *task) { }
 
 static inline struct proc_dir_entry *create_proc_entry(const char *name,
        mode_t mode, struct proc_dir_entry *parent) { return NULL; }
@@ -248,13 +246,15 @@ static inline void kclist_add(struct kcore_list *new, void *addr, size_t size)
 extern void kclist_add(struct kcore_list *, void *, size_t);
 #endif
 
+union proc_op {
+       int (*proc_get_link)(struct inode *, struct dentry **, struct vfsmount **);
+       int (*proc_read)(struct task_struct *task, char *page);
+};
+
 struct proc_inode {
-       struct task_struct *task;
-       int type;
-       union {
-               int (*proc_get_link)(struct inode *, struct dentry **, struct vfsmount **);
-               int (*proc_read)(struct task_struct *task, char *page);
-       } op;
+       struct pid *pid;
+       int fd;
+       union proc_op op;
        struct proc_dir_entry *pde;
        struct inode vfs_inode;
 };
@@ -269,4 +269,12 @@ static inline struct proc_dir_entry *PDE(const struct inode *inode)
        return PROC_I(inode)->pde;
 }
 
+struct proc_maps_private {
+       struct pid *pid;
+       struct task_struct *task;
+#ifdef CONFIG_MMU
+       struct vm_area_struct *tail_vma;
+#endif
+};
+
 #endif /* _LINUX_PROC_FS_H */