src/winsup/cygwin ChangeLog errno.cc fhandler. ...

[corinna at cygwin dot com]

CVSROOT:	/cvs/src
Module name:	src
Changes by:	corinna@sourceware.org	2004-03-26 21:43:49

Modified files:
	winsup/cygwin  : ChangeLog errno.cc fhandler.h fhandler_raw.cc 
	                 fhandler_tape.cc shared.cc shared_info.h 
	winsup/cygwin/include/cygwin: mtio.h version.h 
Added files:
	winsup/cygwin  : mtinfo.h 

Log message:
	* errno.cc (errmap): Map ERROR_SHARING_VIOLATION to EBUSY,
	ERROR_EOM_OVERFLOW and ERROR_NO_DATA_DETECTED to EIO.  Add mappings
	for ERROR_NO_MEDIA_IN_DRIVE, ERROR_DEVICE_REQUIRES_CLEANING and
	ERROR_DEVICE_DOOR_OPEN.
	* fhandler.h (class fhandler_dev_raw): Drop varblkop member.
	(fhandler_dev_raw::is_eom): De-virtualize.
	(fhandler_dev_raw::is_eof): Ditto.
	(class fhandler_dev_tape): Drop lasterr and dp member.  Add mt_mtx
	member.  Drop all private methods formerly used by ioctl.
	(fhandler_dev_tape::is_rewind_device): Use get_minor for clarity.
	(fhandler_dev_tape::driveno): New method.
	(fhandler_dev_tape::drive_init): New method.
	(fhandler_dev_tape::clear): Remove method.
	(fhandler_dev_tape::is_eom): Ditto.
	(fhandler_dev_tape::is_eof): Ditto.
	(fhandler_dev_tape::write_file): Ditto.
	(fhandler_dev_tape::read_file): Ditto.
	(fhandler_dev_tape::_lock): New method.
	(fhandler_dev_tape::unlock): New method.
	(fhandler_dev_tape::raw_read): New method.
	(fhandler_dev_tape::raw_write): New method.
	* fhandler_raw.cc (fhandler_dev_raw::is_eom): New method.
	(fhandler_dev_raw::is_eof): New method.
	(fhandler_dev_raw::open): Allow setting write through option by
	using the O_TEXT flag as ... flag.
	(fhandler_dev_raw::writebuf): Remove usage of varblkop and other
	tape specific code.
	(fhandler_dev_raw::raw_read): Ditto.
	(fhandler_dev_raw::dup): Ditto.
	* fhandler_tape.cc: Rewrite tape operations entirely.  Implement
	new tape driver classes mtinfo, mtinfo_drive and mtinfo_part.
	Reduce fhandler_dev_tape methods to mostly just calling appropriate
	mtinfo_drive methods.
	(mtinfo_init): New function adding the mtinfo shared memory area.
	* mtinfo.h: New file, containing the definition of the new tape
	driver classes.
	* shared.cc: Include mtinfo.h.
	(offsets): Add entry for mtinfo shared memory area.
	(memory_init): Call mtinfo_init.
	* shared_info.h (shared_locations): Add SH_MTINFO shared location.
	* include/cygwin/mtio.h: Change and add various comments.  Add GMT_xxx
	macros for new generic flags.  Add MT_ST_xxx bitfield definitions
	for MTSETDRVBUFFER ioctl.
	* include/cygwin/version.h: Bump API minor version number.

Patches:
http://sources.redhat.com/cgi-bin/cvsweb.cgi/src/winsup/cygwin/mtinfo.h.diff?cvsroot=src&r1=NONE&r2=1.1
http://sources.redhat.com/cgi-bin/cvsweb.cgi/src/winsup/cygwin/ChangeLog.diff?cvsroot=src&r1=1.2377&r2=1.2378
http://sources.redhat.com/cgi-bin/cvsweb.cgi/src/winsup/cygwin/errno.cc.diff?cvsroot=src&r1=1.41&r2=1.42
http://sources.redhat.com/cgi-bin/cvsweb.cgi/src/winsup/cygwin/fhandler.h.diff?cvsroot=src&r1=1.191&r2=1.192
http://sources.redhat.com/cgi-bin/cvsweb.cgi/src/winsup/cygwin/fhandler_raw.cc.diff?cvsroot=src&r1=1.42&r2=1.43
http://sources.redhat.com/cgi-bin/cvsweb.cgi/src/winsup/cygwin/fhandler_tape.cc.diff?cvsroot=src&r1=1.41&r2=1.42
http://sources.redhat.com/cgi-bin/cvsweb.cgi/src/winsup/cygwin/shared.cc.diff?cvsroot=src&r1=1.80&r2=1.81
http://sources.redhat.com/cgi-bin/cvsweb.cgi/src/winsup/cygwin/shared_info.h.diff?cvsroot=src&r1=1.39&r2=1.40
http://sources.redhat.com/cgi-bin/cvsweb.cgi/src/winsup/cygwin/include/cygwin/mtio.h.diff?cvsroot=src&r1=1.6&r2=1.7
http://sources.redhat.com/cgi-bin/cvsweb.cgi/src/winsup/cygwin/include/cygwin/version.h.diff?cvsroot=src&r1=1.162&r2=1.163