Cygwin1.dll 1.5.19: race condition & deadlock with fifos
Larry Hall (Cygwin)
Mon Jun 12 03:43:00 GMT 2006
Barry Kelly wrote:
> On Sun, 11 Jun 2006 18:23:22 -0700, you wrote:
>> Barry Kelly wrote:
>>> This code, without a delay, causes a deadlock and both active spawned
>>> bash processes (the forked one reading from the fifo and the
>>> backgrounded one) need to be killed explicitly:
>>> ~/test-fifo$ rm fifo
>>> ~/test-fifo$ mkfifo fifo
>>> ~/test-fifo$ ((echo foo >fifo)&); echo Read: $(<fifo)
>> This works fine for me, no hang -- but I use a recent CVS build. Have
>> you tried the latest shapshot?
> I have just tried:
> DLL version: 1.5.20
> Build date: Sun Jun 4 16:35:33 EDT 2006
> Snapshot date: 20060604-16:33:54
> And I find it has fixed the problem. Thanks!
> Is there any indication as to how long before 1.5.20 will be fully
> released? I don't want to risk running under a CVS snapshot except for
> this test.
If you check the email archives, you will see a number of calls for testing
of the snapshots in preparation for 1.5.20. From that you can surmise that
any recent snapshot is likely to be pretty close to the eventual released
version. Keep an eye out here for more details.
Larry Hall http://www.rfk.com
RFK Partners, Inc. (508) 893-9779 - RFK Office
838 Washington Street (508) 893-9889 - FAX
Holliston, MA 01746
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