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Allows for arbitrary path to executable spawned using `fork`. This fixes some issues around running multiple versions of node with workers and allows arbitrary IPC with compatible executables. Fixes #3248.v0.9.6-release
Bradley Meck
12 years ago
committed by
Ben Noordhuis
3 changed files with 67 additions and 1 deletions
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// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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var assert = require('assert'); |
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var cp = require('child_process'); |
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var fs = require('fs'); |
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var path = require('path'); |
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var common = require('../common'); |
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var msg = {test: 'this'}; |
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var nodePath = process.execPath; |
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var symlinkPath = path.join(common.tmpDir, 'node-symlink'); |
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if (process.env.FORK) { |
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assert(process.send); |
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assert.equal(process.argv[0], symlinkPath); |
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process.send(msg); |
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process.exit(); |
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} |
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else { |
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try { |
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fs.unlinkSync(symlinkPath); |
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} |
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catch (e) { |
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if (e.code !== 'ENOENT') throw e; |
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} |
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fs.symlinkSync(nodePath, symlinkPath); |
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var child = require('child_process').fork(__filename, { |
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execPath: symlinkPath, |
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env: { FORK: 'true' } |
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}); |
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child.on('message', common.mustCall(function(recv) { |
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assert.deepEqual(msg, recv); |
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})); |
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child.on('exit', common.mustCall(function(code) { |
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fs.unlinkSync(symlinkPath); |
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assert.equal(code, 0); |
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})); |
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} |
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