HPlogo NetIPC 3000/XL Programmer's Reference Manual: HP 3000 MPE/iX Computer Systems > Chapter 3 NetIPC Intrinsics

Summary of NetIPC Intrinsics

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Table 3-1 “NetIPC Intrinsics” lists and summarizes the function of each of the NetIPC intrinsics.

Table 3-1 NetIPC Intrinsics

Intrinsic

Function

ADDOPT

Adds an option entry to the opt parameter.

INITOPT

Initializes the opt parameter so that entries may be added.

IPCCHECK

Returns the number of the last recorded NetIPC error for a call or VC socket.

IPCCONNECT

Requests a connection (a virtual circuit) to another process; returns a VC socket descriptor for a VC socket belonging to the calling process.

IPCCONTROL

Performs special operations such as enabling nowait I/O, and enabling user-level tracing.

IPCCREATE

Creates a call socket for the calling process.

IPCDEST

Returns a destination descriptor which the calling process can use to establish a connection to another process.

IPCERRMSG

Returns the IPC error message corresponding to a given error code.

IPCGET

Enables the calling process to obtain a VC socket or call socket that has been given away by another process.

IPCGIVE

Gives away a VC socket or call socket, thereby allowing another process to obtain it.

IPCLOOKUP

Returns a destination descriptor associated with a given socket name.

IPCNAME

Specifies a name for a call socket, thereby enabling other processes to obtain access to that socket.

IPCNAMERASE

Deletes a call socket name from the call socket registry.

IPCRECV

Receives the reply to a connection request, thereby establishing the connection, or receives data on an already established connection.

IPCRECVCN

Receives a connection request from another process; returns a VC socket descriptor for a VC socket belonging to the calling process.

IPCSEND

Sends data on a connection.

IPCSHUTDOWN

Releases a socket descriptor and any resources associated with it.

OPTOVERHEAD

Returns the number of bytes needed for the opt (option) parameter, a parameter common to many IPC intrinsics

READOPT

Allows the user to read an entry from the opt array.

 

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