Re: [Oorexx-devel] Howto end a Rexx interpreter instance in the following scenario ?

2011-08-06 Thread Jean-Louis Faucher
Could it be what you need ?

context-Halt
Raise a HALT condition on all threads associated with the interpreter
instance

Jean-Louis

2011/8/3 Rony G. Flatscher rony.flatsc...@wu-wien.ac.at

 **
 The aforementioned Rexx server use case can be changed to be ended: if one
 ends the main thread (by not issuing a SysSleep() or doing a parse pull) and
 the message loop thread is running, then once the message loop thread ends
 (e.g. because of a Rexx condition, but also for other reasons) the program
 ends altogether.

 ---rony




 On 03.08.2011 20:53, Rony G. Flatscher wrote:

 The following scenario (a Rexx object running in the role of a server):

- a Rexx program gets started, serving as a server, dispatching
messages from clients
 - creates a message loop on a separate thread, dispatching messages
   from client
- either calls SysSleep(someTime) or does parse pull x to keep
the Rexx program alive

 Now, whenever a syntax error occurs while a Rexx message gets dispatched on
 the message loop thread (maybe even on another thread), it is not noticed by
 the main thread, it seems.

 In the message loop thread the Rexx condition causes it to be stopped and
 the message-loop thread goes away.

 However the main Rexx thread (either in SysSleep() or parse pull x)
 keeps on running, it seems.

 As reported in a previous message, RexxSetHalt(processId,0) returns 1
 and does not work for ending all Rexx threads from the message loop thread,
 which knows that the state of the Rexx server application has become
 unstable, because of the syntax error that occurred on one of its
 dispatches.

 ---

 How is one able to end the threads of a Rexx interpreter instance?

 ---rony




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Re: [Oorexx-devel] Howto end a Rexx interpreter instance in the following scenario ?

2011-08-06 Thread Rony G. Flatscher

On 06.08.2011 12:23, Jean-Louis Faucher wrote:
 Could it be what you need ?

 context-Halt
 Raise a HALT condition on all threads associated with the interpreter
 instance
*YES*, thank you very much, Jean-Louis !
(Haven't seen the forest for the trees anymore...)

---rony



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[Oorexx-devel] Howto end a Rexx interpreter instance in the following scenario ?

2011-08-03 Thread Rony G. Flatscher
The following scenario (a Rexx object running in the role of a server):

* a Rexx program gets started, serving as a server, dispatching
  messages from clients
  o creates a message loop on a separate thread, dispatching
messages from client
* either calls SysSleep(someTime) or does parse pull x to keep
  the Rexx program alive

Now, whenever a syntax error occurs while a Rexx message gets dispatched
on the message loop thread (maybe even on another thread), it is not
noticed by the main thread, it seems.

In the message loop thread the Rexx condition causes it to be stopped
and the message-loop thread goes away.

However the main Rexx thread (either in SysSleep() or parse pull x)
keeps on running, it seems.

As reported in a previous message, RexxSetHalt(processId,0) returns
1 and does not work for ending all Rexx threads from the message loop
thread, which knows that the state of the Rexx server application has
become unstable, because of the syntax error that occurred on one of its
dispatches.

---

How is one able to end the threads of a Rexx interpreter instance?

---rony

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Re: [Oorexx-devel] Howto end a Rexx interpreter instance in the following scenario ?

2011-08-03 Thread Rony G. Flatscher
The aforementioned Rexx server use case can be changed to be ended: if
one ends the main thread (by not issuing a SysSleep() or doing a parse
pull) and the message loop thread is running, then once the message loop
thread ends (e.g. because of a Rexx condition, but also for other
reasons) the program ends altogether.

---rony



On 03.08.2011 20:53, Rony G. Flatscher wrote:
 The following scenario (a Rexx object running in the role of a server):

 * a Rexx program gets started, serving as a server, dispatching
   messages from clients
   o creates a message loop on a separate thread, dispatching
 messages from client
 * either calls SysSleep(someTime) or does parse pull x to keep
   the Rexx program alive

 Now, whenever a syntax error occurs while a Rexx message gets
 dispatched on the message loop thread (maybe even on another thread),
 it is not noticed by the main thread, it seems.

 In the message loop thread the Rexx condition causes it to be stopped
 and the message-loop thread goes away.

 However the main Rexx thread (either in SysSleep() or parse pull
 x) keeps on running, it seems.

 As reported in a previous message, RexxSetHalt(processId,0) returns
 1 and does not work for ending all Rexx threads from the message
 loop thread, which knows that the state of the Rexx server application
 has become unstable, because of the syntax error that occurred on one
 of its dispatches.

 ---

 How is one able to end the threads of a Rexx interpreter instance?

 ---rony

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Get tools for creating Super Apps. See the latest technologies.
Sessions, hands-on labs, demos  much more. Register early  save!
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