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fixes #2465
This commit is contained in:
Andreas Madsen 2012-01-05 08:57:54 +01:00 committed by Ryan Dahl
parent 5f08c3cfa1
commit e2f1e50c60
3 changed files with 14 additions and 14 deletions
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8
doc/api/child_processes.markdown
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@ -229,10 +229,10 @@ And then the child script, `'sub.js'` might look like this:
In the child the `process` object will have a `send()` method, and `process` In the child the `process` object will have a `send()` method, and `process`
will emit objects each time it receives a message on its channel. will emit objects each time it receives a message on its channel.
There is a special case when seinding a `{cmd: 'NODE_foo'}` message. All messages There is a special case when sending a `{cmd: 'NODE_foo'}` message. All messages
containging a `NODE_` prefix in its `cmd` property will not be emitted in containing a `NODE_` prefix in its `cmd` property will not be emitted in
the `message` event, since this are internal messages used by node core. the `message` event, since they are internal messages used by node core.
Messages contain the prefix are emitted in the `internalMessage` event, you Messages containing the prefix are emitted in the `internalMessage` event, you
should by all means avoid using this feature, it may change without warranty. should by all means avoid using this feature, it may change without warranty.
By default the spawned Node process will have the stdout, stderr associated By default the spawned Node process will have the stdout, stderr associated

16
doc/api/cluster.markdown
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@ -110,9 +110,9 @@ will be added to the process environment in the worker.
### cluster.workers ### cluster.workers
In the cluster all living worker objects are stored in this object by there In the cluster all living worker objects are stored in this object by there
`uniqueID` as the key. This makes it easy to loop thouge all liveing workers. `uniqueID` as the key. This makes it easy to loop through all living workers.
// Go througe all workers // Go through all workers
function eachWorker(callback) { function eachWorker(callback) {
for (var uniqueID in cluster.workers) { for (var uniqueID in cluster.workers) {
callback(cluster.workers[uniqueID]); callback(cluster.workers[uniqueID]);
@ -122,8 +122,8 @@ In the cluster all living worker objects are stored in this object by there
worker.send('big announcement to all workers'); worker.send('big announcement to all workers');
}); });
Should you wich to reference a worker over a communication channel this unsing Should you wish to reference a worker over a communication channel, using
there `uniqueID` this is also the easies way to find the worker. the worker's uniqueID is the easiest way to find the worker.
socket.on('data', function (uniqueID) { socket.on('data', function (uniqueID) {
var worker = cluster.workers[uniqueID]; var worker = cluster.workers[uniqueID];
@ -132,12 +132,12 @@ there `uniqueID` this is also the easies way to find the worker.
## Worker ## Worker
This object contains all public information and method about a worker. This object contains all public information and method about a worker.
In the master it can be obtainedusing `cluster.workers`. In a worker In the master it can be obtained using `cluster.workers`. In a worker
it can be obtained ained using `cluster.worker`. it can be obtained using `cluster.worker`.
### Worker.uniqueID ### Worker.uniqueID
Each new worker is given its own unique id, this id i stored in the `uniqueID`. Each new worker is given its own unique id, this id is stored in the `uniqueID`.
### Worker.process ### Worker.process
@ -166,7 +166,7 @@ This example will echo back all messages from the master:
### Worker.destroy() ### Worker.destroy()
This function will kill the worker, and inform the master to not spawn a new worker. This function will kill the worker, and inform the master to not spawn a new worker.
To know the difference between suicide and accidently death a suicide boolean is set to true. To know the difference between suicide and accidentally death a suicide boolean is set to true.
cluster.on('death', function (worker) { cluster.on('death', function (worker) {
if (worker.suicide === true) { if (worker.suicide === true) {

4
lib/cluster.js
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@ -120,7 +120,7 @@ function startMaster() {
} }
// Check if a message is internal only // Check if a message is internal only
var INTERNAL_PREFIX = 'NODE_CLUTER_'; var INTERNAL_PREFIX = 'NODE_CLUSTER_';
function isInternalMessage(message) { function isInternalMessage(message) {
return (isObject(message) && return (isObject(message) &&
typeof message.cmd === 'string' && typeof message.cmd === 'string' &&
@ -147,7 +147,7 @@ function handleResponse(outMessage, outHandle, inMessage, inHandle, worker) {
message._queryEcho = inMessage._requestEcho; message._queryEcho = inMessage._requestEcho;
// Call callback if a query echo is received // Call callback if a query echo is received
if (inMessage.hasOwnProperty('_queryEcho')) { if (inMessage._queryEcho) {
queryCallbacks[inMessage._queryEcho](inMessage.content, inHandle); queryCallbacks[inMessage._queryEcho](inMessage.content, inHandle);
delete queryCallbacks[inMessage._queryEcho]; delete queryCallbacks[inMessage._queryEcho];
} }