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async_hooks: reduce code duplication by using a factory #13755

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BridgeAR wants to merge 7 commits into from
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async_hooks: reduce code duplication by using a factory #13755

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58f011f
async_hooks: reduce duplication with factory
BridgeAR Jun 18, 2017
4c00eee
async_hooks: add TODO entry
BridgeAR Jun 18, 2017
8a8117e
rename factory
BridgeAR Jun 21, 2017
8918fc8
address comment: use named functions
BridgeAR Jun 30, 2017
e4cd110
fixup func-style
BridgeAR Jul 3, 2017
795358a
fixup rename function
BridgeAR Jul 3, 2017
fc397f8
fixup add comment about naming fn
BridgeAR Jul 3, 2017
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fixup rename function
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@BridgeAR
BridgeAR committed Jul 3, 2017
commit 795358aa31f7a7cf3f5154440b266a3fd3c0054a
16 changes: 8 additions & 8 deletions lib/async_hooks.js
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Original file line number Diff line number Diff line change
Expand Up @@ -49,18 +49,18 @@ const init_symbol = Symbol('init');
const before_symbol = Symbol('before');
const after_symbol = Symbol('after');
const destroy_symbol = Symbol('destroy');
const emitBeforeN = emitHookFactory(before_symbol, 'emitBeforeN');
const emitAfterN = emitHookFactory(after_symbol, 'emitAfterN');
const emitDestroyN = emitHookFactory(destroy_symbol, 'emitDestroyN');
const emitBeforeNative = emitHookFactory(before_symbol, 'emitBeforeNative');
const emitAfterNative = emitHookFactory(after_symbol, 'emitAfterNative');
const emitDestroyNative = emitHookFactory(destroy_symbol, 'emitDestroyNative');

// Setup the callbacks that node::AsyncWrap will call when there are hooks to
// process. They use the same functions as the JS embedder API. These callbacks
// are setup immediately to prevent async_wrap.setupHooks() from being hijacked
// and the cost of doing so is negligible.
async_wrap.setupHooks({ init,
before: emitBeforeN,
after: emitAfterN,
destroy: emitDestroyN });
before: emitBeforeNative,
after: emitAfterNative,
destroy: emitDestroyNative });

// Used to fatally abort the process if a callback throws.
function fatalError(e) {
Expand Down Expand Up @@ -391,7 +391,7 @@ function emitBeforeS(asyncId, triggerAsyncId = asyncId) {

if (async_hook_fields[kBefore] === 0)
return;
emitBeforeN(asyncId);
emitBeforeNative(asyncId);
}


Expand All @@ -400,7 +400,7 @@ function emitBeforeS(asyncId, triggerAsyncId = asyncId) {
// after callbacks.
function emitAfterS(asyncId) {
if (async_hook_fields[kAfter] > 0)
emitAfterN(asyncId);
emitAfterNative(asyncId);

popAsyncIds(asyncId);
}
Expand Down