diff options
Diffstat (limited to 'deps/node/deps/npm/node_modules/graceful-fs/graceful-fs.js')
-rw-r--r-- | deps/node/deps/npm/node_modules/graceful-fs/graceful-fs.js | 279 |
1 files changed, 0 insertions, 279 deletions
diff --git a/deps/node/deps/npm/node_modules/graceful-fs/graceful-fs.js b/deps/node/deps/npm/node_modules/graceful-fs/graceful-fs.js deleted file mode 100644 index ac206757..00000000 --- a/deps/node/deps/npm/node_modules/graceful-fs/graceful-fs.js +++ /dev/null @@ -1,279 +0,0 @@ -var fs = require('fs') -var polyfills = require('./polyfills.js') -var legacy = require('./legacy-streams.js') -var clone = require('./clone.js') - -var queue = [] - -var util = require('util') - -function noop () {} - -var debug = noop -if (util.debuglog) - debug = util.debuglog('gfs4') -else if (/\bgfs4\b/i.test(process.env.NODE_DEBUG || '')) - debug = function() { - var m = util.format.apply(util, arguments) - m = 'GFS4: ' + m.split(/\n/).join('\nGFS4: ') - console.error(m) - } - -if (/\bgfs4\b/i.test(process.env.NODE_DEBUG || '')) { - process.on('exit', function() { - debug(queue) - require('assert').equal(queue.length, 0) - }) -} - -module.exports = patch(clone(fs)) -if (process.env.TEST_GRACEFUL_FS_GLOBAL_PATCH && !fs.__patched) { - module.exports = patch(fs) - fs.__patched = true; -} - -// Always patch fs.close/closeSync, because we want to -// retry() whenever a close happens *anywhere* in the program. -// This is essential when multiple graceful-fs instances are -// in play at the same time. -module.exports.close = (function (fs$close) { return function (fd, cb) { - return fs$close.call(fs, fd, function (err) { - if (!err) - retry() - - if (typeof cb === 'function') - cb.apply(this, arguments) - }) -}})(fs.close) - -module.exports.closeSync = (function (fs$closeSync) { return function (fd) { - // Note that graceful-fs also retries when fs.closeSync() fails. - // Looks like a bug to me, although it's probably a harmless one. - var rval = fs$closeSync.apply(fs, arguments) - retry() - return rval -}})(fs.closeSync) - -// Only patch fs once, otherwise we'll run into a memory leak if -// graceful-fs is loaded multiple times, such as in test environments that -// reset the loaded modules between tests. -// We look for the string `graceful-fs` from the comment above. This -// way we are not adding any extra properties and it will detect if older -// versions of graceful-fs are installed. -if (!/\bgraceful-fs\b/.test(fs.closeSync.toString())) { - fs.closeSync = module.exports.closeSync; - fs.close = module.exports.close; -} - -function patch (fs) { - // Everything that references the open() function needs to be in here - polyfills(fs) - fs.gracefulify = patch - fs.FileReadStream = ReadStream; // Legacy name. - fs.FileWriteStream = WriteStream; // Legacy name. - fs.createReadStream = createReadStream - fs.createWriteStream = createWriteStream - var fs$readFile = fs.readFile - fs.readFile = readFile - function readFile (path, options, cb) { - if (typeof options === 'function') - cb = options, options = null - - return go$readFile(path, options, cb) - - function go$readFile (path, options, cb) { - return fs$readFile(path, options, function (err) { - if (err && (err.code === 'EMFILE' || err.code === 'ENFILE')) - enqueue([go$readFile, [path, options, cb]]) - else { - if (typeof cb === 'function') - cb.apply(this, arguments) - retry() - } - }) - } - } - - var fs$writeFile = fs.writeFile - fs.writeFile = writeFile - function writeFile (path, data, options, cb) { - if (typeof options === 'function') - cb = options, options = null - - return go$writeFile(path, data, options, cb) - - function go$writeFile (path, data, options, cb) { - return fs$writeFile(path, data, options, function (err) { - if (err && (err.code === 'EMFILE' || err.code === 'ENFILE')) - enqueue([go$writeFile, [path, data, options, cb]]) - else { - if (typeof cb === 'function') - cb.apply(this, arguments) - retry() - } - }) - } - } - - var fs$appendFile = fs.appendFile - if (fs$appendFile) - fs.appendFile = appendFile - function appendFile (path, data, options, cb) { - if (typeof options === 'function') - cb = options, options = null - - return go$appendFile(path, data, options, cb) - - function go$appendFile (path, data, options, cb) { - return fs$appendFile(path, data, options, function (err) { - if (err && (err.code === 'EMFILE' || err.code === 'ENFILE')) - enqueue([go$appendFile, [path, data, options, cb]]) - else { - if (typeof cb === 'function') - cb.apply(this, arguments) - retry() - } - }) - } - } - - var fs$readdir = fs.readdir - fs.readdir = readdir - function readdir (path, options, cb) { - var args = [path] - if (typeof options !== 'function') { - args.push(options) - } else { - cb = options - } - args.push(go$readdir$cb) - - return go$readdir(args) - - function go$readdir$cb (err, files) { - if (files && files.sort) - files.sort() - - if (err && (err.code === 'EMFILE' || err.code === 'ENFILE')) - enqueue([go$readdir, [args]]) - - else { - if (typeof cb === 'function') - cb.apply(this, arguments) - retry() - } - } - } - - function go$readdir (args) { - return fs$readdir.apply(fs, args) - } - - if (process.version.substr(0, 4) === 'v0.8') { - var legStreams = legacy(fs) - ReadStream = legStreams.ReadStream - WriteStream = legStreams.WriteStream - } - - var fs$ReadStream = fs.ReadStream - if (fs$ReadStream) { - ReadStream.prototype = Object.create(fs$ReadStream.prototype) - ReadStream.prototype.open = ReadStream$open - } - - var fs$WriteStream = fs.WriteStream - if (fs$WriteStream) { - WriteStream.prototype = Object.create(fs$WriteStream.prototype) - WriteStream.prototype.open = WriteStream$open - } - - fs.ReadStream = ReadStream - fs.WriteStream = WriteStream - - function ReadStream (path, options) { - if (this instanceof ReadStream) - return fs$ReadStream.apply(this, arguments), this - else - return ReadStream.apply(Object.create(ReadStream.prototype), arguments) - } - - function ReadStream$open () { - var that = this - open(that.path, that.flags, that.mode, function (err, fd) { - if (err) { - if (that.autoClose) - that.destroy() - - that.emit('error', err) - } else { - that.fd = fd - that.emit('open', fd) - that.read() - } - }) - } - - function WriteStream (path, options) { - if (this instanceof WriteStream) - return fs$WriteStream.apply(this, arguments), this - else - return WriteStream.apply(Object.create(WriteStream.prototype), arguments) - } - - function WriteStream$open () { - var that = this - open(that.path, that.flags, that.mode, function (err, fd) { - if (err) { - that.destroy() - that.emit('error', err) - } else { - that.fd = fd - that.emit('open', fd) - } - }) - } - - function createReadStream (path, options) { - return new ReadStream(path, options) - } - - function createWriteStream (path, options) { - return new WriteStream(path, options) - } - - var fs$open = fs.open - fs.open = open - function open (path, flags, mode, cb) { - if (typeof mode === 'function') - cb = mode, mode = null - - return go$open(path, flags, mode, cb) - - function go$open (path, flags, mode, cb) { - return fs$open(path, flags, mode, function (err, fd) { - if (err && (err.code === 'EMFILE' || err.code === 'ENFILE')) - enqueue([go$open, [path, flags, mode, cb]]) - else { - if (typeof cb === 'function') - cb.apply(this, arguments) - retry() - } - }) - } - } - - return fs -} - -function enqueue (elem) { - debug('ENQUEUE', elem[0].name, elem[1]) - queue.push(elem) -} - -function retry () { - var elem = queue.shift() - if (elem) { - debug('RETRY', elem[0].name, elem[1]) - elem[0].apply(null, elem[1]) - } -} |