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Re: Possibly incorrect explanation of how WaitForSomething works (and how to fix it) [RC and CGF please comment]
- To: cygwin-xfree at cygwin dot com
- Subject: Re: Possibly incorrect explanation of how WaitForSomething works (and how to fix it) [RC and CGF please comment]
- From: Christopher Faylor <cgf at redhat dot com>
- Date: Tue, 10 Apr 2001 22:11:39 -0400
- References: <EA18B9FA0FE4194AA2B4CDB91F73C0EF08EED7@itdomain002.itdomain.net.au>
- Reply-To: cygwin-xfree at cygwin dot com
On Wed, Apr 11, 2001 at 09:23:19AM +1000, Robert Collins wrote:
>> -----Original Message-----
>> From: Christopher Faylor [mailto:cgf@redhat.com]
>> Sent: Wednesday, April 11, 2001 6:09 AM
>> To: Cygx (E-mail)
>> Subject: Re: Possibly incorrect explanation of how WaitForSomething
>> works (and how to fix it) [RC and CGF please comment]
>>
>>
>> On Tue, Apr 10, 2001 at 08:09:48AM +1000, Robert Collins wrote:
>> >I thought cygwin had fd support for keyboard and mouse? If
>> it doesn't,
>> >then my suggestion would be: write it.
>>
>> It only supports the keyboard and the mouse in the context of
>> the console.
>> I don't think that is appropriate for the X server.
>>
>> cgf
>>
>
>I'm just curious here: In Unix as I understand it, the X server physical
>screen gets a pty? for access to the keyboard, and opens /dev/mouse |
>/dev/cua0 | ...
>
>What makes those things inappropriate for cygwin support? I'd have
>thought that a win32 message queue handler in a cygwin linked app would
>be more trouble than cygwin handling the messages...
I was saying that the current Cygwin support is only for console devices:
if (!ReadConsoleInput (h, &input_rec, 1, &nread))
{
__seterrno ();
syscall_printf ("ReadConsoleInput failed, %E");
return -1; /* seems to be failure */
}
This would not be appropriate for a non-console application like the
X server.
If someone wants to add generic keyboard and mouse support for a Windows
app, then that would be appropriate.
cgf