MPXCALL(2) 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 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.
SEE ALSO
group(2), join(2), extract(2), connect(2), chan(2),
attach(2), detach(2)
DIAGNOSTICS
The value -1 is returned on error.