Re: VM/370 Machine to Machine Communications
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Adrian, ? Back in the day folks used VMCF which is documented in the System Programmers Guide (GC20-1807). That¡¯s what the original TCPIP implementation for VM used. If you want it to work in a CMS VM that¡¯s your best choice. You can also use virtual Channel To Channel adaptors s, SMSG (which you can capture via VMCF) writeable shared segments (not sure of they are in R6 but I think so, but not often used as it needs a sysgen) ? Dave ? ? ?
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From: [email protected] <[email protected]> On Behalf Of adriansutherland67
Sent: 30 December 2019 10:44
To: [email protected]
Subject: [h390-vm] VM/370 Machine to Machine Communications? Is there any facility in VM/CMS R6 (i.e. the six pack)?
I am not looking for TCP/IP (LOL) - but any example would be useful.? I want to call from C - so an assembler stub would be lovely :-)
Is there a message send (and listen facility?) (Was that later?) Or better, a way to share a memory block between two VMs - what did folks do back in the day!?
A bit of shared memory would give me a socket and from that everything is possible (even in user land)
Thanks
Adrian
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