term% cat index.txt MPXCALL(2) System Calls Manual MPXCALL(2)
NAME
mpxcall - multiplexor and channel interface
SYNOPSIS
mpxcall(arg1, arg2, arg3, cmd)
DESCRIPTION
Mpxcall supplies a primitive interface to the kernel used by the rou‐
tines 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 accor‐
dance with the definition of cmd.
SEE ALSO
group(2), join(2), extract(2), connect(2), chan(2), attach(2), de‐
tach(2)
DIAGNOSTICS
The value -1 is returned on error.
MPXCALL(2)