msgrcv
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
size
plus 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.
3.16.69.199