sync with glibc

1 files changed, 56 insertions, 17 deletions

diff --git a/libc/sysdeps/linux/sh/bits/fcntl.h b/libc/sysdeps/linux/sh/bits/fcntl.h
index 69a20966d..8c9159f0f 100644
--- a/libc/sysdeps/linux/sh/bits/fcntl.h
+++ b/libc/sysdeps/linux/sh/bits/fcntl.h
@@ -1,5 +1,6 @@
 /* O_*, F_*, FD_* bit values for Linux.
-   Copyright (C) 1995, 1996, 1997, 1998, 2000 Free Software Foundation, Inc.
+   Copyright (C) 1995, 1996, 1997, 1998, 2000, 2004, 2006
+   Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -42,18 +43,18 @@
 #define O_ASYNC		 020000
 
 #ifdef __USE_GNU
-# define O_DIRECT	 040000	/* Direct disk access.  */
-# define O_DIRECTORY	0200000	/* Must be a directory.  */
-# define O_NOFOLLOW	0400000	/* Do not follow links.  */
-# define O_STREAMING	04000000/* streaming access */
+# define O_DIRECT	 040000	/* Direct disk access.	*/
+# define O_DIRECTORY	0200000	/* Must be a directory.	 */
+# define O_NOFOLLOW	0400000	/* Do not follow links.	 */
+# define O_NOATIME     01000000 /* Do not set atime.  */
 #endif
 
 /* For now Linux has synchronisity options for data and read operations.
    We define the symbols here but let them do the same as O_SYNC since
-   this is a superset.  */
+   this is a superset.	*/
 #if defined __USE_POSIX199309 || defined __USE_UNIX98
 # define O_DSYNC	O_SYNC	/* Synchronize data.  */
-# define O_RSYNC	O_SYNC	/* Synchronize read operations.  */
+# define O_RSYNC	O_SYNC	/* Synchronize read operations.	 */
 #endif
 
 #ifdef __USE_LARGEFILE64
@@ -69,17 +70,17 @@
 #ifndef __USE_FILE_OFFSET64
 # define F_GETLK	5	/* Get record locking info.  */
 # define F_SETLK	6	/* Set record locking info (non-blocking).  */
-# define F_SETLKW	7	/* Set record locking info (blocking).  */
+# define F_SETLKW	7	/* Set record locking info (blocking).	*/
 #else
-# define F_GETLK	F_GETLK64  /* Get record locking info.  */
+# define F_GETLK	F_GETLK64  /* Get record locking info.	*/
 # define F_SETLK	F_SETLK64  /* Set record locking info (non-blocking).*/
 # define F_SETLKW	F_SETLKW64 /* Set record locking info (blocking).  */
 #endif
 #define F_GETLK64	12	/* Get record locking info.  */
 #define F_SETLK64	13	/* Set record locking info (non-blocking).  */
-#define F_SETLKW64	14	/* Set record locking info (blocking).  */
+#define F_SETLKW64	14	/* Set record locking info (blocking).	*/
 
-#if defined __USE_BSD || defined __USE_XOPEN2K
+#if defined __USE_BSD || defined __USE_UNIX98
 # define F_SETOWN	8	/* Get owner of socket (receiver of SIGIO).  */
 # define F_GETOWN	9	/* Set owner of socket (receiver of SIGIO).  */
 #endif
@@ -89,20 +90,26 @@
 # define F_GETSIG	11	/* Get number of signal to be sent.  */
 #endif
 
+#ifdef __USE_GNU
+# define F_SETLEASE	1024	/* Set a lease.	 */
+# define F_GETLEASE	1025	/* Enquire what lease is active.  */
+# define F_NOTIFY	1026	/* Request notfications on a directory.	 */
+#endif
+
 /* For F_[GET|SET]FL.  */
 #define FD_CLOEXEC	1	/* actually anything with low bit set goes */
 
 /* For posix fcntl() and `l_type' field of a `struct flock' for lockf().  */
 #define F_RDLCK		0	/* Read lock.  */
-#define F_WRLCK		1	/* Write lock.  */
-#define F_UNLCK		2	/* Remove lock.  */
+#define F_WRLCK		1	/* Write lock.	*/
+#define F_UNLCK		2	/* Remove lock.	 */
 
 /* For old implementation of bsd flock().  */
 #define F_EXLCK		4	/* or 3 */
 #define F_SHLCK		8	/* or 4 */
 
 #ifdef __USE_BSD
-/* Operations for bsd flock(), also used by the kernel implementation.  */
+/* Operations for bsd flock(), also used by the kernel implementation.	*/
 # define LOCK_SH	1	/* shared lock */
 # define LOCK_EX	2	/* exclusive lock */
 # define LOCK_NB	4	/* or'd with one of the above to prevent
@@ -110,9 +117,27 @@
 # define LOCK_UN	8	/* remove lock */
 #endif
 
+#ifdef __USE_GNU
+# define LOCK_MAND	32	/* This is a mandatory flock:	*/
+# define LOCK_READ	64	/* ... which allows concurrent read operations.	 */
+# define LOCK_WRITE	128	/* ... which allows concurrent write operations.  */
+# define LOCK_RW	192	/* ... Which allows concurrent read & write operations.	 */
+#endif
+
+#ifdef __USE_GNU
+/* Types of directory notifications that may be requested with F_NOTIFY.  */
+# define DN_ACCESS	0x00000001	/* File accessed.  */
+# define DN_MODIFY	0x00000002	/* File modified.  */
+# define DN_CREATE	0x00000004	/* File created.  */
+# define DN_DELETE	0x00000008	/* File removed.  */
+# define DN_RENAME	0x00000010	/* File renamed.  */
+# define DN_ATTRIB	0x00000020	/* File changed attibutes.  */
+# define DN_MULTISHOT	0x80000000	/* Don't remove notifier.  */
+#endif
+
 struct flock
   {
-    short int l_type;	/* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK.  */
+    short int l_type;	/* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK.	*/
     short int l_whence;	/* Where `l_start' is relative to (like `lseek').  */
 #ifndef __USE_FILE_OFFSET64
     __off_t l_start;	/* Offset where the lock begins.  */
@@ -127,7 +152,7 @@ struct flock
 #ifdef __USE_LARGEFILE64
 struct flock64
   {
-    short int l_type;	/* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK.  */
+    short int l_type;	/* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK.	*/
     short int l_whence;	/* Where `l_start' is relative to (like `lseek').  */
     __off64_t l_start;	/* Offset where the lock begins.  */
     __off64_t l_len;	/* Size of the locked area; zero means until EOF.  */
@@ -149,8 +174,22 @@ struct flock64
 #ifdef __USE_XOPEN2K
 # define POSIX_FADV_NORMAL	0 /* No further special treatment.  */
 # define POSIX_FADV_RANDOM	1 /* Expect random page references.  */
-# define POSIX_FADV_SEQUENTIAL	2 /* Expect sequential page references.  */
+# define POSIX_FADV_SEQUENTIAL	2 /* Expect sequential page references.	 */
 # define POSIX_FADV_WILLNEED	3 /* Will need these pages.  */
 # define POSIX_FADV_DONTNEED	4 /* Don't need these pages.  */
 # define POSIX_FADV_NOREUSE	5 /* Data will be accessed once.  */
 #endif
+
+/* Linux-specific operations for posix_fadvise.  */
+#ifdef __USE_GNU
+# define LINUX_FADV_ASYNC_WRITE	32 /* Start writeout on range.  */
+# define LINUX_FADV_WRITE_WAIT	33 /* Wait upon writeout to range.  */
+#endif
+
+__BEGIN_DECLS
+
+/* Provide kernel hint to read ahead.  */
+extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
+    __THROW;
+
+__END_DECLS