method Worker.prototype.send
Jump to headingWorker.prototype.send(message: child.Serializable,callback?: (error: Error | null) => void,): booleanSend a message to a worker or primary, optionally with a handle.
In the primary, this sends a message to a specific worker. It is identical to ChildProcess.send().
In a worker, this sends a message to the primary. It is identical to process.send().
This example will echo back all messages from the primary:
if (cluster.isPrimary) {
const worker = cluster.fork();
worker.send('hi there');
} else if (cluster.isWorker) {
process.on('message', (msg) => {
process.send(msg);
});
}
Parameters Jump to heading
Jump to headingmessage: child.Serializableoptional
Jump to headingcallback: (error: Error | null) => voidReturn Type Jump to heading
booleanJump to headingWorker.prototype.send(message: child.Serializable,sendHandle: child.SendHandle,callback?: (error: Error | null) => void,): booleanParameters Jump to heading
Jump to headingmessage: child.SerializableJump to headingsendHandle: child.SendHandleoptional
Jump to headingcallback: (error: Error | null) => voidReturn Type Jump to heading
booleanJump to headingWorker.prototype.send(message: child.Serializable,sendHandle: child.SendHandle,options?: child.MessageOptions,callback?: (error: Error | null) => void,): booleanParameters Jump to heading
Jump to headingmessage: child.SerializableJump to headingsendHandle: child.SendHandleoptional
Jump to headingoptions: child.MessageOptionsoptional
Jump to headingcallback: (error: Error | null) => voidReturn Type Jump to heading
boolean