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lib: introduce constant MAX_TICKS #11199

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danbev wants to merge 4 commits into from
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lib: introduce constant MAX_TICKS #11199

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b77745c
lib: introduce constant MAX_TICKS
danbev Feb 3, 2017
2d266c0
rename MAX_TICKS -> kMaxCallbacksPerTick
danbev Feb 7, 2017
8788a97
make kMaxCallbacksPerTick a top level const
danbev Feb 7, 2017
eda4d32
rename to kMaxCallbacksUntilQueueIsShortened
danbev Feb 12, 2017
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10 changes: 8 additions & 2 deletions lib/internal/process/next_tick.js
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Original file line number Diff line number Diff line change
@@ -1,5 +1,11 @@
'use strict';

// This value is used to prevent the nextTickQueue from becoming too
// large and cause the process to run out of memory. When this value
// is reached the nextTimeQueue array will be shortend (see tickDone
// for details).
const kMaxCallbacksUntilQueueIsShortened = 1e4;

exports.setup = setupNextTick;

function setupNextTick() {
Expand Down Expand Up @@ -96,7 +102,7 @@ function setupNextTick() {
// callback invocation with small numbers of arguments to avoid the
// performance hit associated with using `fn.apply()`
_combinedTickCallback(args, callback);
if (1e4 < tickInfo[kIndex])
if (kMaxCallbacksUntilQueueIsShortened < tickInfo[kIndex])
tickDone();
}
tickDone();
Expand All @@ -120,7 +126,7 @@ function setupNextTick() {
// callback invocation with small numbers of arguments to avoid the
// performance hit associated with using `fn.apply()`
_combinedTickCallback(args, callback);
if (1e4 < tickInfo[kIndex])
if (kMaxCallbacksUntilQueueIsShortened < tickInfo[kIndex])
tickDone();
if (domain)
domain.exit();
Expand Down