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MULTI TASKING IN PL/1

 
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shreejita

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Joined: 16 Aug 2009
Posts: 60
Location: chennai

PostPosted: Tue Dec 01, 2009 4:59 pm    Post subject: MULTI TASKING IN PL/1
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Hi All,

I searched google and our forum but didn't get any document of MULTI TASKING IN PL/1.

Please provide any link where i can get and learn this.

Thanks
Shreejita
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PeterHolland

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Joined: 27 Oct 2009
Posts: 2445
Location: Netherlands, Amstelveen

PostPosted: Tue Dec 01, 2009 5:18 pm    Post subject:
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Well i dont know how you use google, but my google gave me this (among other hits) :

PL/I Link-Time Considerations

z/OS V1R9.0 Language Environment Programming Guide
SA22-7561-08




The product structure for PL/I has changed from the previous PL/I version. Most JCL and CLISTs that link-edit a PL/I application using the OS PL/I library must be changed. These changes include:

•The OS PL/I multitasking library PLITASK has been replaced by SIBMTASK, which is required to have multitasking support. SIBMTASK must be concatenated before SCEELKED.
Note that Enterprise PL/I for z/OS does not currently support multitasking. Language Environment continues to support PL/I multitasking for PL/I for MVS & VM as well as previous, supported levels of the PL/I product.

•The PLIBASE and SIBMBASE libraries have been replaced by: ◦SCEELKED, which contains resident routines that are linked with the application and are used to resolve external references at link-edit time. ◦SIBMMATH, which contains the stubs for old OS PL/I V2R3 math library routines. In link-edit steps, this library must precede SCEELKED if old math results are desired in a particular executable program.
◦SIBMCALL, which is required to provide PLICALLA and PLICALLB compatibility if PL/I for MVS & VM applications use OS PL/I PLICALLA or PLICALLB as an entry point. SIBMCALL must be concatenated before SCEELKED.
◦SIBMCAL2, which is very similar to SIBMCALL, but is only used with Enterprise PL/I for z/OS.

Note:
SCEELKED and SIBMCAL2 are the only libraries that apply for Enterprise PL/I for z/OS.
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shreejita

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Joined: 16 Aug 2009
Posts: 60
Location: chennai

PostPosted: Wed Dec 02, 2009 11:47 am    Post subject: Reply to: MULTI TASKING IN PL/1
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Hi,

thanks for reply.

shreejita
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