Hi Mariano,
Great, I will try this tomorrow!
Regards
Sabine
Am Mittwoch, 8. Juni 2016 schrieb Mariano Martinez Peck [via Smalltalk] :
> Sabine,
>
> I did not yet tested OSProcess but with OSSubprocess (in 5.0) I cannot
> reproduce the issue:
>
> *Polling strategy works:*
>
> Delay delaySchedulerClass: DelayMillisecondScheduler.
> 20 timesRepeat: [OSSUnixSubprocess new
> command: 'echo';
> arguments: {
> ' };
> redirectStdout;
> *runAndWaitPollingEvery: (Delay forMilliseconds: 50) retrievingStreams:
> true onExitDo: [*
> :process :outString :errString |
> Transcript show: outString;cr .
> ].
> ].
>
>
> *Semaphore-based (child watcher) works:*
>
>
> Delay delaySchedulerClass: DelayMillisecondScheduler.
> 20 timesRepeat: [OSSUnixSubprocess new
> command: 'echo';
> arguments: { 'Hi There' };
> redirectStdout;
> *runAndWaitOnExitDo:* [
> :process :outString :errString |
> Transcript show: outString;cr .
> ].
> ].
>
>
> *Using shellCommand: (bash) instead of #command: and #arguments: does work
> too:*
>
>
> Delay delaySchedulerClass: DelayMillisecondScheduler.
> 20 timesRepeat: [OSSUnixSubprocess new
> *shellCommand: ('echo "Hi there"');*
> redirectStdout;
> runAndWaitOnExitDo: [
> :process :outString :errString |
> Transcript show: outString;cr .
> ].
> ].
>
> On Wed, Jun 8, 2016 at 3:11 PM, Sabine Manaa <[hidden email]
> <http:///user/SendEmail.jtp?type=node&node=4900000&i=0>> wrote:
>
>> Hi Mariano,
>>
>> if you take the download Image from the Pharo website, then load
>> commandShell and then zinc from the catalog browser and then do
>>
>> Delay delaySchedulerClass: DelayMillisecondScheduler.
>> and then
>> 20 timesRepeat: [OSProcess command: ('echo "Hi there"').]
>>
>> Then you will get the lock.
>>
>> Does this help to find the reason for the problem?
>>
>> Regards
>> Sabine
>>
>
>
>
> --
> Mariano
> http://marianopeck.wordpress.com
>
>
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