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Re: PATCH: Support Windows in event-loop.c


> Date: Thu, 21 Apr 2005 11:56:02 -0700
> From: Mark Mitchell <mark@codesourcery.com>
> CC: gdb-patches@sources.redhat.com
> 
> Eli Zaretskii wrote:
> 
> > Is it perhaps possible to write an emulation of `select' that would
> > handle file handles as well
> 
> Well, Cygwin has select, so it is *possible*.  But, it's not easy, and 
> it doesn't really map terribly well onto what Windows provides.

Perhaps you could look at w32proc.c:sys_select in the Emacs
distribution, and copy its code with minimal changes.

> As Daniel says, this is very much analogous to poll/select; different 
> systems provide different low-level mechanisms for waiting for input.

It isn't analogous: HAVE_POLL tests for a system-independent
functionality, not unlike HAVE_UNISTD_H, while USE_WIN32API tests for
an OS-specific misfeature and names an OS-specific macro.


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