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ISPF ENQUEUE/DEQUEUE FUNCTION

 
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anbesivam
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Joined: 09 Aug 2006
Posts: 66
Topics: 14

PostPosted: Wed Aug 09, 2006 9:45 am    Post subject: ISPF ENQUEUE/DEQUEUE FUNCTION Reply with quote

Could you please anybody through some light on ISPF ENQUEUE/DEQUEUE Functionality.

Also, How and when to use ?
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kolusu
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Joined: 26 Nov 2002
Posts: 12378
Topics: 75
Location: San Jose

PostPosted: Wed Aug 09, 2006 10:15 am    Post subject: Reply with quote

anbesivam,

ENQ assigns control of one or more serially reusable resources to a task. If any of the resources are not available, the task might be placed in a wait condition until all of the requested resources are available. Once control of a resource has been assigned to a task, it remains with that task until one of the programs running under that task issues a DEQ macro to release the resource or the task terminates.

The DEQ releases control of one or more serially reusable resources from the active task.

Hope this helps...

Cheers

Kolusu
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anbesivam
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Joined: 09 Aug 2006
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PostPosted: Wed Aug 09, 2006 10:23 am    Post subject: Reply with quote

Thanks much for the immt. response.

Your reply is really understandable in general view.
Could you please provide any links/material to know much more about it.
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Bill Dennis
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Joined: 03 Dec 2002
Posts: 579
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PostPosted: Wed Aug 09, 2006 12:50 pm    Post subject: Reply with quote

ISPF Planning and Customizing manual Appendix A explains in great detail.

You can write your own utilities that use the same ENQ/DEQ and safely share ISPF libraries with users.
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Bill Dennis

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anbesivam
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Joined: 09 Aug 2006
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PostPosted: Fri Aug 18, 2006 4:51 am    Post subject: Reply with quote

Thank you so much for the reply.

I will check this out.
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