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| Message-ID: | <50F00BD5.9090405@towo.net> |
| Date: | Fri, 11 Jan 2013 13:55:49 +0100 |
| From: | Thomas Wolff <towo AT towo DOT net> |
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| Subject: | Re: select() not interrupted by signals |
| References: | <50EFD041 DOT 4090108 AT towo DOT net> <20130111085256 DOT GC17162 AT calimero DOT vinschen DOT de> |
| In-Reply-To: | <20130111085256.GC17162@calimero.vinschen.de> |
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On 11.01.2013 09:52, Corinna Vinschen wrote:
> On Jan 11 09:41, Thomas Wolff wrote:
>> I had previously reported "select() hanging after terminal killed"
>> (http://cygwin.com/ml/cygwin/2011-05/msg00418.html).
>> It turns out that select() does not get interrupted by a SIGWINCH
>> signal either (with likely the same cause).
>> This raises problems with interactive programs that want to react to
>> window size changes (like text editors).
>>
>> See attached updated test case; run the program, while select() is
>> waiting (before 5 second timeout each), change window size and see
>> no interrupt.
>> On other systems, select() is interrupted (test case: from mintty,
>> remote login to SunOS; also showing the terminal is not involved in
>> the problem).
>>
>> This bug did not exist in cygwin 1.5; I see some Changelog entries
>> from 2011-12-13 or 2012-01-22 which might be related.
> Just for clarity, did you test with the latest snapshot?
No, with the source package of the latest release.
And I can't test with the snapshot as it doesn't compile here (after
fresh download and unpack):
In file included from
/usr/src/cygwin-snapshot-20130107-1/newlib/libc/include/sys/types.h:61:0,
from ../../.././winsup/cygwin/winsup.h:29,
from
../../.././winsup/cygwin/lib/_cygwin_crt0_common.cc:11:
/usr/src/cygwin-snapshot-20130107-1/newlib/libc/include/sys/_types.h:63:20:
schwerwiegender Fehler: stddef.h: No such file or directory
Kompilierung beendet.
------
Thomas
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