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src: add O_NOATIME constant
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Add O_NOATIME flag on Linux for use with `fs.open()`.

PR-URL: #6492
Fixes: #2182
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
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Trott authored and evanlucas committed May 17, 2016
1 parent 6353579 commit 37736f4
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Showing 2 changed files with 15 additions and 0 deletions.
4 changes: 4 additions & 0 deletions src/node_constants.cc
Original file line number Diff line number Diff line change
Expand Up @@ -1036,6 +1036,10 @@ void DefineSystemConstants(Local<Object> target) {
NODE_DEFINE_CONSTANT(target, O_EXCL);
#endif

#ifdef O_NOATIME
NODE_DEFINE_CONSTANT(target, O_NOATIME);
#endif

#ifdef O_NOFOLLOW
NODE_DEFINE_CONSTANT(target, O_NOFOLLOW);
#endif
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11 changes: 11 additions & 0 deletions test/parallel/test-process-constants-noatime.js
Original file line number Diff line number Diff line change
@@ -0,0 +1,11 @@
'use strict';

require('../common');
const assert = require('assert');

const isLinux = process.platform === 'linux';

const O_NOATIME = process.binding('constants').O_NOATIME;
const expected = isLinux ? 0x40000 : undefined;

assert.strictEqual(O_NOATIME, expected);

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