X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/de355530ae67247cbd0da700edb3a2a1dae884c2..3a60a9f5b85abb8c2cf24e1926c5c7b3f608a5e2:/bsd/sys/file.h

diff --git a/bsd/sys/file.h b/bsd/sys/file.h
index 711ba77c5..710159af8 100644
--- a/bsd/sys/file.h
+++ b/bsd/sys/file.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
  *
  * @APPLE_LICENSE_HEADER_START@
  * 
@@ -59,128 +59,46 @@
 #define	_SYS_FILE_H_
 
 #include <sys/appleapiopts.h>
+#include <sys/types.h>
 #include <sys/fcntl.h>
 #include <sys/unistd.h>
+#include <sys/queue.h>
+#include <sys/cdefs.h>
 
 #ifdef KERNEL
-#include <sys/errno.h>
 #include <sys/queue.h>
-#include <sys/cdefs.h>
+#include <sys/kernel_types.h>
+#endif
 
-struct proc;
-struct uio;
-#ifdef __APPLE_API_UNSTABLE
+#if __DARWIN_ALIGN_POWER
+#pragma options align=power
+#endif
 
-/*
- * Kernel descriptor table.
- * One entry for each open kernel vnode and socket.
- */
-struct file {
-	LIST_ENTRY(file) f_list;/* list of active files */
+/* for the compat sake;  */
+struct extern_file {
+	LIST_ENTRY(extern_file) f_list; /* list of active files */
 	short	f_flag;		/* see fcntl.h */
-#define	DTYPE_VNODE	1	/* file */
-#define	DTYPE_SOCKET	2	/* communications endpoint */
-#define	DTYPE_PSXSHM	3	/* POSIX Shared memory */
-#define	DTYPE_PSXSEM	4	/* POSIX Semaphores */
 	short	f_type;		/* descriptor type */
 	short	f_count;	/* reference count */
 	short	f_msgcount;	/* references from message queue */
 	struct	ucred *f_cred;	/* credentials associated with descriptor */
-	struct	fileops {
-		int	(*fo_read)	__P((struct file *fp, struct uio *uio,
-					    struct ucred *cred, int flags,
-					    struct proc *p));
-		int	(*fo_write)	__P((struct file *fp, struct uio *uio,
-					    struct ucred *cred, int flags,
-					    struct proc *p));
-#define	FOF_OFFSET	1
-		int	(*fo_ioctl)	__P((struct file *fp, u_long com,
-					    caddr_t data, struct proc *p));
-		int	(*fo_select)	__P((struct file *fp, int which,
-						void *wql, struct proc *p));
-		int	(*fo_close)	__P((struct file *fp, struct proc *p));
-	} *f_ops;
+	void * f_ops;
 	off_t	f_offset;
 	caddr_t	f_data;		/* vnode or socket or SHM or semaphore */
 };
 
-#ifdef __APPLE_API_PRIVATE
-LIST_HEAD(filelist, file);
-extern struct filelist filehead;	/* head of list of open files */
-extern int maxfiles;			/* kernel limit on number of open files */
-extern int nfiles;			/* actual number of open files */
-#endif /* __APPLE_API_PRIVATE */
+#if __DARWIN_ALIGN_POWER
+#pragma options align=reset
+#endif
 
+#ifdef KERNEL
 __BEGIN_DECLS
-int fref __P((struct file *));	/* take a reference on file pointer */
-int frele __P((struct file *));	/* release a reference on file pointer */
-int fcount __P((struct file *));	/* returns the reference count */
-
-static __inline int fo_read __P((struct file *fp, struct uio *uio,
-	struct ucred *cred, int flags, struct proc *p));
-static __inline int fo_write __P((struct file *fp, struct uio *uio,
-	struct ucred *cred, int flags, struct proc *p));
-static __inline int fo_ioctl __P((struct file *fp, u_long com, caddr_t data,
-	struct proc *p));
-static __inline int fo_select __P((struct file *fp, int which, void *wql,
-	struct proc *p));
-static __inline int fo_close __P((struct file *fp, struct proc *p));
-
-static __inline int
-fo_read(struct file *fp, struct uio *uio, struct ucred *cred, int flags, struct proc *p)
-{
-	int error;
-
-	if ((error = fref(fp)) == -1)
-		return (EBADF);
-	error = (*fp->f_ops->fo_read)(fp, uio, cred, flags, p);
-	frele(fp);
-	return (error);
-}
-
-static __inline int
-fo_write(struct file *fp, struct uio *uio, struct ucred *cred, int flags, struct proc *p)
-{
-	int error;
-
-	if ((error = fref(fp)) == -1)
-		return (EBADF);
-	error = (*fp->f_ops->fo_write)(fp, uio, cred, flags, p);
-	frele(fp);
-	return (error);
-}
-
-static __inline int 
-fo_ioctl(struct file *fp, u_long com, caddr_t data, struct proc *p)
-{
-	int error;   
-
-	if ((error = fref(fp)) == -1)
-		return (EBADF);
-	error = (*fp->f_ops->fo_ioctl)(fp, com, data, p);
-	frele(fp);
-	return (error);
-}       
-
-static __inline int
-fo_select(struct file *fp, int which, void *wql, struct proc *p)
-{       
-	int error;
-
-	error = (*fp->f_ops->fo_select)(fp, which, wql, p);
-	return (error);
-}
-
-static __inline int
-fo_close(struct file *fp, struct proc *p)
-{       
-
-	return ((*fp->f_ops->fo_close)(fp, p));
-}
+int file_socket(int, socket_t *);
+int file_vnode(int, vnode_t *);
+int file_flags(int, int *);
+int file_drop(int);
 __END_DECLS
 
-#endif /* __APPLE_API_UNSTABLE */
-
 #endif /* KERNEL */
 
 #endif /* !_SYS_FILE_H_ */