Name

msgrcv

Synopsis

msgrcv id, var, size, type, flags
                  

Calls the System V IPC msgrcv system call to receive a message from message queue id into variable var with a maximum message size of size. When a message is received, the message type will be the first thing in var, and the maximum length of var is sizeplus the size of the message type. The function returns true if successful, or false if there is an error. On error, it puts the error code into $!. Before calling, you should say:

require "ipc.ph";
require "msg.ph";

This function is available only on machines supporting System V IPC.

Get Perl in a Nutshell, 2nd Edition now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.