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| Shared dynamic libraries for MQ |
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| Jim Teel |
 Posted: Fri Jun 11, 2004 7:15 am Post subject: Shared dynamic libraries for MQ |
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Newbie
Joined: 26 May 2004
Posts: 2
Location: Ft. Wayne, IN
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Hi,
Disclaimer: I'm a recently rehabilitated OS/390 sysprog, and am just beginning to come up to speed with AIX, so please bear with me if my use of the lexicon is mangled...
We have a 4GL development language (Progress) which supports dynamic calls to shared (.so) AIX libraries. As far as I can tell, MQ only provides static (.a) libraries for use in customer programs. Is there a way to simply re-link MQ libraries (e.g. libmqm.a) to make them dynamic, or must I write a C program that interfaces between Progress and the MQ libraries? If the C program is required, can I transparently recocile the entry points, or will I have to map the MQ API calls to similar, yet distinct names (i.e, will I be able to call MQCONN straight from Progress, or will I have to call PMQCONN (within my C program) which will then call MQCONN directly)?
Regards,
Jim Teel |
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| markt |
| Posted: Fri Jun 11, 2004 7:48 am Post subject: |
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Knight
Joined: 14 May 2002
Posts: 508
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On AIX, shared libraries can and do have the .a suffix. The MQ libraries are shared despite what you might think from the name.
(Actually it's an archive library containing a shared object, but the effect is the same.) |
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| Jim Teel |
| Posted: Thu Jun 17, 2004 5:33 am Post subject: |
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Newbie
Joined: 26 May 2004
Posts: 2
Location: Ft. Wayne, IN
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| I accept that what you say is true, but it's becoming clear to me that "shared library" does not automatically imply "dynamic binding" in AIX. It doesn't appear that MQ/Series provides ANY libraries that support dynamic binding, EXCEPT for the AMI, which is going away at the end of 2005. If I want to use the MQI through dynamic binding, I'm going to have to write the calls myself. Can I get a "yepper" on that? |
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