msgsnd function
Send a SysV IPC message to a message queue
Calls the System
V
IPC function msgsnd to send the message
MSG to the message queue
ID.
MSG must begin with the long integer message type, which may be created with
pack("l", $type). Returns
TRUE if successful, or
FALSE if there is an error. See also
IPC::SysV
and IPC::SysV::Msg
documentation.