Unix |
Unix v7 |
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mpxcall(2) |
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mpxcall − multiplexor and channel interface
mpxcall(arg1, arg2, arg3, cmd)
Mpxcall supplies a primitive interface to the kernel used by the routines listed below. Each routine that uses mpxcall passes an integer cmd as the fourth argument. These are defined in /usr/include/mx.h. Mpxcall always returns an integer which is to be interpreted in accordance with the definition of cmd.
group(2), join(2), extract(2), connect(2), chan(2), attach(2), detach(2)
The value −1 is returned on error.
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mpxcall(2) | ![]() |