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Diffstat (limited to 'include/linux/fdtable.h')
-rw-r--r--include/linux/fdtable.h8
1 files changed, 5 insertions, 3 deletions
diff --git a/include/linux/fdtable.h b/include/linux/fdtable.h
index fcd07181a365..a32bf47c593e 100644
--- a/include/linux/fdtable.h
+++ b/include/linux/fdtable.h
@@ -22,6 +22,7 @@
* as this is the granularity returned by copy_fdset().
*/
#define NR_OPEN_DEFAULT BITS_PER_LONG
+#define NR_OPEN_MAX ~0U
struct fdtable {
unsigned int max_fds;
@@ -109,7 +110,7 @@ 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 *) __latent_entropy;
+struct files_struct *dup_fd(struct files_struct *, unsigned, int *) __latent_entropy;
void do_close_on_exec(struct files_struct *);
int iterate_fd(struct files_struct *, unsigned,
int (*)(const void *, struct file *, unsigned),
@@ -121,9 +122,10 @@ extern void __fd_install(struct files_struct *files,
unsigned int fd, struct file *file);
extern int __close_fd(struct files_struct *files,
unsigned int fd);
-extern int __close_range(struct files_struct *files, unsigned int fd,
- unsigned int max_fd);
+extern int __close_range(unsigned int fd, unsigned int max_fd, unsigned int flags);
extern int __close_fd_get_file(unsigned int fd, struct file **res);
+extern int unshare_fd(unsigned long unshare_flags, unsigned int max_fds,
+ struct files_struct **new_fdp);
extern struct kmem_cache *files_cachep;