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Groups > comp.lang.python > #98657
| From | Marko Rauhamaa <marko@pacujo.net> |
|---|---|
| Newsgroups | comp.lang.python |
| Subject | Re: cross platform alternative for signal.SIGALRM? |
| Date | 2015-11-11 20:03 +0200 |
| Organization | A noiseless patient Spider |
| Message-ID | <87oaf0tnvj.fsf@elektro.pacujo.net> (permalink) |
| References | <n1vpl3$hrl$1@news2.informatik.uni-stuttgart.de> <87si4cts68.fsf@elektro.pacujo.net> <n1vsj6$ijf$1@news2.informatik.uni-stuttgart.de> |
Ulli Horlacher <framstag@rus.uni-stuttgart.de>:
> Hmmm... not so simple for me. My test code:
>
> from time import *
> import threading
> import sys
>
> def hello():
> raise ValueError("hello!!!")
>
> t = threading.Timer(3.0,hello)
> t.start()
> try:
> print "start"
> sleep(5)
> print "end"
> except ValueError as e:
> print e.args[0]
> sys.exit(1)
Correct. The timer callback function (hello) would be called in a
separate thread. An exception raised in one thread cannot be caught in
the main thread. In general, there is no way for a thread to interrupt a
sibling thread that is in a blocking function call.
Marko
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cross platform alternative for signal.SIGALRM? Ulli Horlacher <framstag@rus.uni-stuttgart.de> - 2015-11-11 16:16 +0000
Re: cross platform alternative for signal.SIGALRM? Marko Rauhamaa <marko@pacujo.net> - 2015-11-11 18:30 +0200
Re: cross platform alternative for signal.SIGALRM? Ulli Horlacher <framstag@rus.uni-stuttgart.de> - 2015-11-11 17:06 +0000
Re: cross platform alternative for signal.SIGALRM? Marko Rauhamaa <marko@pacujo.net> - 2015-11-11 20:03 +0200
Re: cross platform alternative for signal.SIGALRM? Ulli Horlacher <framstag@rus.uni-stuttgart.de> - 2015-11-11 22:42 +0000
Re: cross platform alternative for signal.SIGALRM? Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2015-11-11 19:42 -0500
Re: cross platform alternative for signal.SIGALRM? Terry Reedy <tjreedy@udel.edu> - 2015-11-11 20:37 -0500
Re: cross platform alternative for signal.SIGALRM? Marko Rauhamaa <marko@pacujo.net> - 2015-11-12 08:14 +0200
Re: cross platform alternative for signal.SIGALRM? Christian Gollwitzer <auriocus@gmx.de> - 2015-11-12 07:43 +0100
Re: cross platform alternative for signal.SIGALRM? Chris Angelico <rosuav@gmail.com> - 2015-11-12 18:37 +1100
Re: cross platform alternative for signal.SIGALRM? Terry Reedy <tjreedy@udel.edu> - 2015-11-12 05:15 -0500
Re: cross platform alternative for signal.SIGALRM? Chris Angelico <rosuav@gmail.com> - 2015-11-12 22:38 +1100
Re: cross platform alternative for signal.SIGALRM? Terry Reedy <tjreedy@udel.edu> - 2015-11-12 09:01 -0500
Re: cross platform alternative for signal.SIGALRM? Ulli Horlacher <framstag@rus.uni-stuttgart.de> - 2015-11-12 07:22 +0000
Re: cross platform alternative for signal.SIGALRM? Marko Rauhamaa <marko@pacujo.net> - 2015-11-12 10:15 +0200
Re: cross platform alternative for signal.SIGALRM? Ulli Horlacher <framstag@rus.uni-stuttgart.de> - 2015-11-12 06:58 +0000
Re: cross platform alternative for signal.SIGALRM? Cameron Simpson <cs@zip.com.au> - 2015-11-12 16:20 +1100
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