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. 

7th Edition