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Re: More on Job Control...

On Wed, Apr 11, 2001 at 08:05:49AM +1000, Robert Collins wrote:
>----- Original Message -----
>From: "Christopher Faylor" <>
>To: "Cygwin" <>
>Sent: Wednesday, April 11, 2001 3:05 AM
>Subject: Re: More on Job Control...
>> On Mon, Apr 09, 2001 at 12:46:46PM -0700, Mark Allan Young wrote:
>> >
>> >if I don't use the '&' and then try to suspend it
>> >with <ctrl-z>, it doesn't suspend.
>> A .bat file is not a cygwin application.  Cygwin isn't a special magic
>> program that brings UNIX functionality to everything on your system.
>> CTRL-Z will only work on Cygwin applications.
>> cgf
>Hmmm, I wonder. Chris: if we can save the process and main thread handle
>for the child, on Ctrl-Z we could call SuspendThread. I'm happy to
>fiddle around with this (in about 3 weeks :]) unless you think it's a
>bad idea.

You can't reliably suspend a non-cygwin process.  If a program is blocked
in a ReadFile, for instance, it could result in a hang.

There is a bug here, though, as Mark Allan Young pointed out.  .bat files
used to be runnable in 1.1.8 and they aren't in snapshots.


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