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author | Vse Mozhet Byt <vsemozhetbyt@gmail.com> | 2018-04-15 16:05:55 +0300 |
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committer | Vse Mozhet Byt <vsemozhetbyt@gmail.com> | 2018-04-16 14:04:02 +0300 |
commit | 6e869be104374a2970a60de8bfccce9f6197af31 (patch) | |
tree | 4b525296ec4af40d638a53b5912be947fbd5cabf /doc/api/async_hooks.md | |
parent | f7fbbeedc609f56c898230971b44d3dde0934dc9 (diff) | |
download | android-node-v8-6e869be104374a2970a60de8bfccce9f6197af31.tar.gz android-node-v8-6e869be104374a2970a60de8bfccce9f6197af31.tar.bz2 android-node-v8-6e869be104374a2970a60de8bfccce9f6197af31.zip |
doc: unify more headings
PR-URL: https://github.com/nodejs/node/pull/20046
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Diffstat (limited to 'doc/api/async_hooks.md')
-rw-r--r-- | doc/api/async_hooks.md | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/doc/api/async_hooks.md b/doc/api/async_hooks.md index 63c5f1c819..2628cc290a 100644 --- a/doc/api/async_hooks.md +++ b/doc/api/async_hooks.md @@ -75,7 +75,7 @@ function destroy(asyncId) { } function promiseResolve(asyncId) { } ``` -#### `async_hooks.createHook(callbacks)` +#### async_hooks.createHook(callbacks) <!-- YAML added: v8.1.0 @@ -168,7 +168,7 @@ provided by AsyncHooks itself. The logging should then be skipped when it was the logging itself that caused AsyncHooks callback to call. By doing this the otherwise infinite recursion is broken. -#### `asyncHook.enable()` +#### asyncHook.enable() * Returns: {AsyncHook} A reference to `asyncHook`. @@ -184,7 +184,7 @@ const async_hooks = require('async_hooks'); const hook = async_hooks.createHook(callbacks).enable(); ``` -#### `asyncHook.disable()` +#### asyncHook.disable() * Returns: {AsyncHook} A reference to `asyncHook`. @@ -200,7 +200,7 @@ Key events in the lifetime of asynchronous events have been categorized into four areas: instantiation, before/after the callback is called, and when the instance is destroyed. -##### `init(asyncId, type, triggerAsyncId, resource)` +##### init(asyncId, type, triggerAsyncId, resource) * `asyncId` {number} A unique ID for the async resource. * `type` {string} The type of the async resource. @@ -250,7 +250,7 @@ It is possible to have type name collisions. Embedders are encouraged to use unique prefixes, such as the npm package name, to prevent collisions when listening to the hooks. -###### `triggerId` +###### `triggerAsyncId` `triggerAsyncId` is the `asyncId` of the resource that caused (or "triggered") the new resource to initialize and that caused `init` to call. This is different @@ -396,7 +396,7 @@ The graph only shows *when* a resource was created, not *why*, so to track the *why* use `triggerAsyncId`. -##### `before(asyncId)` +##### before(asyncId) * `asyncId` {number} @@ -414,7 +414,7 @@ callback multiple times, while other operations like `fs.open()` will call it only once. -##### `after(asyncId)` +##### after(asyncId) * `asyncId` {number} @@ -425,7 +425,7 @@ will run *after* the `'uncaughtException'` event is emitted or a `domain`'s handler runs. -##### `destroy(asyncId)` +##### destroy(asyncId) * `asyncId` {number} @@ -437,7 +437,7 @@ made to the `resource` object passed to `init` it is possible that `destroy` will never be called, causing a memory leak in the application. If the resource does not depend on garbage collection, then this will not be an issue. -##### `promiseResolve(asyncId)` +##### promiseResolve(asyncId) * `asyncId` {number} @@ -464,7 +464,7 @@ init for PROMISE with id 6, trigger id: 5 # the Promise returned by then() after 6 ``` -#### `async_hooks.executionAsyncId()` +#### async_hooks.executionAsyncId() <!-- YAML added: v8.1.0 @@ -506,7 +506,7 @@ const server = net.createServer(function onConnection(conn) { Note that promise contexts may not get precise executionAsyncIds by default. See the section on [promise execution tracking][]. -#### `async_hooks.triggerAsyncId()` +#### async_hooks.triggerAsyncId() * Returns: {number} The ID of the resource responsible for calling the callback that is currently being executed. @@ -583,7 +583,7 @@ Library developers that handle their own asynchronous resources performing tasks like I/O, connection pooling, or managing callback queues may use the `AsyncWrap` JavaScript API so that all the appropriate callbacks are called. -### `class AsyncResource()` +### Class: AsyncResource The class `AsyncResource` is designed to be extended by the embedder's async resources. Using this, users can easily trigger the lifetime events of their @@ -629,7 +629,7 @@ asyncResource.emitBefore(); asyncResource.emitAfter(); ``` -#### `AsyncResource(type[, options])` +#### new AsyncResource(type[, options]) * `type` {string} The type of async event. * `options` {Object} @@ -662,7 +662,7 @@ class DBQuery extends AsyncResource { } ``` -#### `asyncResource.runInAsyncScope(fn[, thisArg, ...args])` +#### asyncResource.runInAsyncScope(fn[, thisArg, ...args]) <!-- YAML added: v9.6.0 --> @@ -677,7 +677,7 @@ of the async resource. This will establish the context, trigger the AsyncHooks before callbacks, call the function, trigger the AsyncHooks after callbacks, and then restore the original execution context. -#### `asyncResource.emitBefore()` +#### asyncResource.emitBefore() <!-- YAML deprecated: v9.6.0 --> @@ -693,7 +693,7 @@ will abort. For this reason, the `emitBefore` and `emitAfter` APIs are considered deprecated. Please use `runInAsyncScope`, as it provides a much safer alternative. -#### `asyncResource.emitAfter()` +#### asyncResource.emitAfter() <!-- YAML deprecated: v9.6.0 --> @@ -712,18 +712,18 @@ will abort. For this reason, the `emitBefore` and `emitAfter` APIs are considered deprecated. Please use `runInAsyncScope`, as it provides a much safer alternative. -#### `asyncResource.emitDestroy()` +#### asyncResource.emitDestroy() Call all `destroy` hooks. This should only ever be called once. An error will be thrown if it is called more than once. This **must** be manually called. If the resource is left to be collected by the GC then the `destroy` hooks will never be called. -#### `asyncResource.asyncId()` +#### asyncResource.asyncId() * Returns: {number} The unique `asyncId` assigned to the resource. -#### `asyncResource.triggerAsyncId()` +#### asyncResource.triggerAsyncId() * Returns: {number} The same `triggerAsyncId` that is passed to the `AsyncResource` constructor. |