JehanneOS/newlib
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

* fhandler.h (class fhandler_dev_raw): Add members devbufalloc and

Browse Source 
devbufalign.
	(class fhandler_dev_floppy): Remove member bytes_per_sector;
	* fhandler_floppy.cc (bytes_per_sector): Define as devbufalign.
	(fhandler_dev_floppy::open): Set devbufalign to a multiple of the
	sector size and handle devbuf allocation and alignment in !O_DIRECT
	case here.  Change comment accordingly.
	Call FSCTL_ALLOW_EXTENDED_DASD_IO for partitions as well.
	(fhandler_dev_floppy::raw_write): Fix comment.  Rewrite and fix
	writing behaviour when application uses read and lseek.
	(fhandler_dev_floppy::lseek): Use rounddown macro.  Call
	SetFilePointerEx rather than the old SetFilePointer.
	(fhandler_dev_floppy::ioctl): Reformat switch.  Call
	IOCTL_DISK_UPDATE_PROPERTIES rather than IOCTL_DISK_UPDATE_DRIVE_SIZE
	in BLKRRPART case.  Support BLKIOMIN, BLKIOOPT, BLKPBSZGET and
	BLKALIGNOFF.
	* fhandler_raw.cc (fhandler_dev_raw::fhandler_dev_raw): Initialize
	all devbuf-related members.
	(fhandler_dev_raw::~fhandler_dev_raw): Delete devbufalloc rather than
	devbuf.
	(fhandler_dev_raw::open): Drop allocating devbuf.
	(fhandler_dev_raw::dup): Allocate devbufalloc and set devbuf to support
	new sector-aligned devbuf handling.
	(fhandler_dev_raw::fixup_after_exec): Ditto.
	* fhandler_tape.cc (fhandler_dev_tape::open): Ditto, set devbufalign
	to 1.
	* include/cygwin/fs.h (BLKIOMIN): Define.
	(BLKIOOPT): Define.
	(BLKALIGNOFF): Define.
	(BLKPBSZGET): Define.
This commit is contained in:
Corinna Vinschen
2012-10-13 12:34:18 +00:00
parent 93c9cdc1b0
commit db8224e8be
6 changed files with 209 additions and 80 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
winsup/cygwin/include/cygwin/fs.h
View File

@ -1,6 +1,6 @@
/* cygwin/fs.h
Copyright 2002, 2003 Red Hat Inc.
Copyright 2002, 2003, 2012 Red Hat Inc.
Written by Chris January <chris@atomice.net>
This file is part of Cygwin.
@ -12,9 +12,13 @@ details. */
#ifndef _CYGWIN_FS_H_
#define _CYGWIN_FS_H_
#define BLKRRPART 0x0000125f
#define BLKGETSIZE 0x00001260
#define BLKSSZGET 0x00001268
#define BLKRRPART 0x0000125f
#define BLKGETSIZE 0x00001260
#define BLKSSZGET 0x00001268
#define BLKIOMIN 0x00001278
#define BLKIOOPT 0x00001279
#define BLKALIGNOFF 0x0000127a
#define BLKPBSZGET 0x0000127b
#define BLKGETSIZE64 0x00041268
#endif