m68k: update comments in bits/fcntl.h

diff --git a/ChangeLog.m68k b/ChangeLog.m68k
index 5e45243..8b6a9db 100644 (file)
--- a/ChangeLog.m68k
+++ b/ChangeLog.m68k
@@ -1,3 +1,7 @@
+2011-04-03  Andreas Schwab  <schwab@linux-m68k.org>
+
+       * sysdeps/unix/sysv/linux/m68k/bits/fcntl.h: Update comments.
+
 2011-03-06  Andreas Schwab  <schwab@linux-m68k.org>
 
        * sysdeps/m68k/bits/byteswap.h (__bswap_16, __bswap_32)

diff --git a/sysdeps/unix/sysv/linux/m68k/bits/fcntl.h b/sysdeps/unix/sysv/linux/m68k/bits/fcntl.h
index f36507b..3bbc1bf 100644 (file)
--- a/sysdeps/unix/sysv/linux/m68k/bits/fcntl.h
+++ b/sysdeps/unix/sysv/linux/m68k/bits/fcntl.h
@@ -1,5 +1,5 @@
 /* O_*, F_*, FD_* bit values for Linux.
-   Copyright (C) 2000, 2004, 2008, 2009, 2010 Free Software Foundation, Inc.
+   Copyright (C) 2000, 2004, 2008, 2009, 2010, 2011 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
@@ -28,7 +28,7 @@
 
 
 /* open/fcntl - O_SYNC is only implemented on blocks devices and on files
-   located on an ext2 file system */
+   located on a few file systems.  */
 #define O_ACCMODE         0003
 #define O_RDONLY            00
 #define O_WRONLY            01
@@ -247,20 +247,32 @@ extern int sync_file_range (int __fd, __off64_t __offset, __off64_t __count,
                            unsigned int __flags);
 
 
-/* Splice address range into a pipe.  */
+/* Splice address range into a pipe.
+
+   This function is a possible cancellation point and therefore not
+   marked with __THROW.  */
 extern ssize_t vmsplice (int __fdout, const struct iovec *__iov,
                         size_t __count, unsigned int __flags);
 
-/* Splice two files together.  */
+/* Splice two files together.
+
+   This function is a possible cancellation point and therefore not
+   marked with __THROW.  */
 extern ssize_t splice (int __fdin, __off64_t *__offin, int __fdout,
                       __off64_t *__offout, size_t __len,
                       unsigned int __flags);
 
-/* In-kernel implementation of tee for pipe buffers.  */
+/* In-kernel implementation of tee for pipe buffers.
+
+   This function is a possible cancellation point and therefore not
+   marked with __THROW.  */
 extern ssize_t tee (int __fdin, int __fdout, size_t __len,
                    unsigned int __flags);
 
-/* Reserve storage for the data of the file associated with FD.  */
+/* Reserve storage for the data of the file associated with FD.
+
+   This function is a possible cancellation point and therefore not
+   marked with __THROW.  */
 # ifndef __USE_FILE_OFFSET64
 extern int fallocate (int __fd, int __mode, __off_t __offset, __off_t __len);
 # else