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* errno.cc (errmap): Handle ERROR_IO_PENDING.

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* fhandler.cc (fhandler_base::open): Make tape I/O asynchronous.
	* fhandler.h (class fhandler_dev_tape): Add mt_evt member.
	* fhandler_tape.cc (mtinfo_drive::initialize): Initialize async_writes.
	(mtinfo_drive::close): Handle async writes.
	(mtinfo_drive::read): Add mt_evt parameter.  Use overlapped I/O.
	(mtinfo_drive::async_wait): New function.
	(mtinfo_drive::write): Add mt_evt parameter.  Use overlapped I/O.
	Handle async writes.
	(mtinfo_drive::_set_pos): Handle async writes.
	(mtinfo_drive::set_partition): Ditto.
	(mtinfo_drive::prepare): Ditto.
	(mtinfo_drive::get_status): Drop useless "else".  Handle async_writes
	flag.
	(mtinfo_drive::set_options): Handle async_writes flags.
	(fhandler_dev_tape::close): Close mt_evt handle.
	(fhandler_dev_tape::raw_read): Create mt_evt handle and use in call
	to mtinfo_drive::read.
	(fhandler_dev_tape::raw_write): Create mt_evt handle and use in call
	to mtinfo_drive::write.
	* mtinfo.h (MTINFO_VERSION): Bump.
	(enum dirty_state): Add async_write_pending state.
	(class mtinfo_drive): Add OVERLAPPED struct "ov".  Add async_writes
	flag.
	(mtinfo_drive::async_wait): Add declaration.
	(mtinfo_drive::read): Add mt_evt parameter.
	(mtinfo_drive::write): Ditto.

	* registry.cc (load_registry_hive): Call enable_restore_privilege
	instead of set_process_privilege.
This commit is contained in:
Corinna Vinschen
2004-04-19 19:29:10 +00:00
parent da3c66eb9a
commit 0c8731b8f4
7 changed files with 130 additions and 23 deletions
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3
winsup/cygwin/fhandler.cc
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@ -610,7 +610,8 @@ fhandler_base::open (int flags, mode_t mode)
/* Allow reliable lseek on disk devices. */
if (get_major () == DEV_FLOPPY_MAJOR)
access |= GENERIC_READ;
else if (get_major () != DEV_SERIAL_MAJOR)
else if (get_major () != DEV_SERIAL_MAJOR
&& get_major () != DEV_TAPE_MAJOR)
{
create_options |= FILE_SYNCHRONOUS_IO_NONALERT;
access |= SYNCHRONIZE;