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Message-ID: <502DBFC3.9080707@dancol.org>
Date: Thu, 16 Aug 2012 20:51:31 -0700
From: Daniel Colascione <dancol AT dancol DOT org>
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To: cygwin AT cygwin DOT com
Subject: Re: Another sigwaitinfo problem (with testcase)
References: <502B3567 DOT 9090808 AT dancol DOT org> <20120816184348 DOT GA16945 AT ednor DOT casa DOT cgf DOT cx>
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On 8/16/2012 11:43 AM, Christopher Faylor wrote:
> On Tue, Aug 14, 2012 at 10:36:39PM -0700, Daniel Colascione wrote:
>> When run on a Linux machine, this program starts up and blocks on sigwai=
tinfo.
>> You can suspend and resume the program using usual job control facilitie=
s, and
>> on SIGINT, the program prints a message and exits. When the program resu=
mes
>> after being stopped, it prints "resumed".
>>
>> With the 2012-08-07 Cygwin snapshot, this program prints "resumed" immed=
iately
>> after receiving SIGTSTP, then fails to respond to any signal, even signa=
ls not
>> in the blocked set. A simpler test program that just calls "raise (SIGST=
OP)"
>> property stops itself before resuming execution.
>=20
> This should be fixed in the latest snapshot.
>=20
> Thanks for the test case.

Thanks for the fix. It's incomplete, though. Previously, C-z would make the
program print "resumed", then become insensitive the signals present in
waitmask. With the 2012-08-16 snapshot, C-z stops the program, but on
resumption, it doesn't print "resumed". Instead, on resumption, the program
enters the same signal-insensitive state it did with the 2012-08-07 snapsho=
t.


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