1MPXCALL(2) System Calls Manual MPXCALL(2)
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6 mpxcall - multiplexor and channel interface
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9 mpxcall(arg1, arg2, arg3, cmd)
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12 Mpxcall supplies a primitive interface to the kernel used by the rou‐
13 tines listed below. Each routine that uses mpxcall passes an integer
14 cmd as the fourth argument. These are defined in /usr/include/mx.h.
15 Mpxcall always returns an integer which is to be interpreted in accor‐
16 dance with the definition of cmd.
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19 group(2), join(2), extract(2), connect(2), chan(2), attach(2),
20 detach(2)
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23 The value -1 is returned on error.
24 MPXCALL(2)