msgsnd

msgsnd id, msg, flags

• Calls the System V IPC msgsnd system call to send the message msg to the message queue id. msg must begin with the long integer message type. You can create a message like this:
  
  

  $msg = pack "L a*", $type, $text_of_message;
  

  
  
  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.