From:	rdparker AT butlermfg DOT org (Parker, Ron)
Subject:	RE: New patch
22 Apr 1998 06:21:55 -0700 :
Message-ID:	<c=US%a=_%p=Butler_Manufactu%l=BUILDINGS/BLDGSHUB/0009DF05.cygnus.cygwin32.developers@nttwr2.tower.bldgs.butlermfg.org>
Mime-Version:	1.0
To:	Sergey Okhapkin <sos AT prospect DOT com DOT ru>,
	"'Gnu-Win32'"
	<gnu-win32 AT cygnus DOT com>
Cc:	"'cygwin32-developers AT cygnus DOT com'" <cygwin32-developers AT cygnus DOT com>

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It there a method to check for content on the queue, like PeekMessage? 
 Would it make sense to have one?

-----Original Message-----
From: Sergey Okhapkin [mailto:sos AT prospect DOT com DOT ru]
Sent: Wednesday, April 22, 1998 1:43 AM
To: 'Gnu-Win32'
Cc: 'cygwin32-developers AT cygnus DOT com'
Subject: New patch


windows.diff

- /dev/windows device implementation - an access to windows message 
queue with unix-style calls.


The following unix-style calls are supported:

	open ("/dev/windows", flags, mode=0)
		- create a unix fd for message queue.
		  O_NONBLOCK flag controls the read() call behavior.

	read (fd, buf, len)
		- return next message from queue. buf must point to MSG
		  structure, len must be >= sizeof (MSG). If read is set to
		  non-blocking and the queue is empty, read call returns -1
		  immediately with errno set to EAGAIN, otherwise it blocks
		  untill the message will be received.

	write (fd, buf, len)
		- send a message pointed by buf. len argument ignored.

	ioctl (fd, command, *param)
		- control read()/write() behavior.
		ioctl (fd, WINDOWS_POST, NULL) - write() will PostMessage();
		ioctl (fd, WINDOWS_SEND, NULL) - write() will SendMessage();
		ioctl (fd, WINDOWS_HWND, &hWnd)- read() messages for hWnd window.

	select() call marks read fd when any message posted to queue.



- Changes to compile cygwinb19.dll with egcs.
- Fixed a bug with mtime field of stat structure on fat partitions.

--
Sergey Okhapkin, http://www.lexa.ru/sos
Moscow, Russia.


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