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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/include/linux/fdtable.h
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/include/linux/fdtable.h')
-rw-r--r--ANDROID_3.4.5/include/linux/fdtable.h130
1 files changed, 0 insertions, 130 deletions
diff --git a/ANDROID_3.4.5/include/linux/fdtable.h b/ANDROID_3.4.5/include/linux/fdtable.h
deleted file mode 100644
index 158a41ee..00000000
--- a/ANDROID_3.4.5/include/linux/fdtable.h
+++ /dev/null
@@ -1,130 +0,0 @@
-/*
- * descriptor table internals; you almost certainly want file.h instead.
- */
-
-#ifndef __LINUX_FDTABLE_H
-#define __LINUX_FDTABLE_H
-
-#include <linux/posix_types.h>
-#include <linux/compiler.h>
-#include <linux/spinlock.h>
-#include <linux/rcupdate.h>
-#include <linux/types.h>
-#include <linux/init.h>
-#include <linux/fs.h>
-
-#include <linux/atomic.h>
-
-/*
- * The default fd array needs to be at least BITS_PER_LONG,
- * as this is the granularity returned by copy_fdset().
- */
-#define NR_OPEN_DEFAULT BITS_PER_LONG
-
-struct fdtable {
- unsigned int max_fds;
- struct file __rcu **fd; /* current fd array */
- unsigned long *close_on_exec;
- unsigned long *open_fds;
- struct rcu_head rcu;
- struct fdtable *next;
-};
-
-static inline void __set_close_on_exec(int fd, struct fdtable *fdt)
-{
- __set_bit(fd, fdt->close_on_exec);
-}
-
-static inline void __clear_close_on_exec(int fd, struct fdtable *fdt)
-{
- __clear_bit(fd, fdt->close_on_exec);
-}
-
-static inline bool close_on_exec(int fd, const struct fdtable *fdt)
-{
- return test_bit(fd, fdt->close_on_exec);
-}
-
-static inline void __set_open_fd(int fd, struct fdtable *fdt)
-{
- __set_bit(fd, fdt->open_fds);
-}
-
-static inline void __clear_open_fd(int fd, struct fdtable *fdt)
-{
- __clear_bit(fd, fdt->open_fds);
-}
-
-static inline bool fd_is_open(int fd, const struct fdtable *fdt)
-{
- return test_bit(fd, fdt->open_fds);
-}
-
-/*
- * Open file table structure
- */
-struct files_struct {
- /*
- * read mostly part
- */
- atomic_t count;
- struct fdtable __rcu *fdt;
- struct fdtable fdtab;
- /*
- * written part on a separate cache line in SMP
- */
- spinlock_t file_lock ____cacheline_aligned_in_smp;
- int next_fd;
- unsigned long close_on_exec_init[1];
- unsigned long open_fds_init[1];
- struct file __rcu * fd_array[NR_OPEN_DEFAULT];
-};
-
-#define rcu_dereference_check_fdtable(files, fdtfd) \
- (rcu_dereference_check((fdtfd), \
- lockdep_is_held(&(files)->file_lock) || \
- atomic_read(&(files)->count) == 1 || \
- rcu_my_thread_group_empty()))
-
-#define files_fdtable(files) \
- (rcu_dereference_check_fdtable((files), (files)->fdt))
-
-struct file_operations;
-struct vfsmount;
-struct dentry;
-
-extern int expand_files(struct files_struct *, int nr);
-extern void free_fdtable_rcu(struct rcu_head *rcu);
-extern void __init files_defer_init(void);
-
-static inline void free_fdtable(struct fdtable *fdt)
-{
- call_rcu(&fdt->rcu, free_fdtable_rcu);
-}
-
-static inline struct file * fcheck_files(struct files_struct *files, unsigned int fd)
-{
- struct file * file = NULL;
- struct fdtable *fdt = files_fdtable(files);
-
- if (fd < fdt->max_fds)
- file = rcu_dereference_check_fdtable(files, fdt->fd[fd]);
- return file;
-}
-
-/*
- * Check whether the specified fd has an open file.
- */
-#define fcheck(fd) fcheck_files(current->files, fd)
-
-struct task_struct;
-
-struct files_struct *get_files_struct(struct task_struct *);
-void put_files_struct(struct files_struct *fs);
-void reset_files_struct(struct files_struct *);
-int unshare_files(struct files_struct **);
-struct files_struct *dup_fd(struct files_struct *, int *);
-
-extern struct kmem_cache *files_cachep;
-
-#endif /* __LINUX_FDTABLE_H */