var isWindows = process.platform === 'win32';
-function rethrow(err) {
- if (err) throw err;
+var DEBUG = process.env.NODE_DEBUG && /fs/.test(process.env.NODE_DEBUG);
+
+function rethrow() {
+ // Only enable in debug mode. A backtrace uses ~1000 bytes of heap space and
+ // is fairly slow to generate.
+ if (DEBUG) {
+ var backtrace = new Error;
+ return function(err) {
+ if (err) {
+ backtrace.message = err.message;
+ err = backtrace;
+ throw err;
+ }
+ };
+ }
+
+ return function(err) {
+ if (err) {
+ throw err; // Forgot a callback but don't know where? Use NODE_DEBUG=fs
+ }
+ };
}
function maybeCallback(cb) {
- return typeof cb === 'function' ? cb : rethrow;
+ return typeof cb === 'function' ? cb : rethrow();
}
// Ensure that callbacks run in the global context. Only use this function
// invoked from JS already run in the proper scope.
function makeCallback(cb) {
if (typeof cb !== 'function') {
- return rethrow;
+ return rethrow();
}
return function() {
--- /dev/null
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+require('fs').readFile('/'); // throws EISDIR
--- /dev/null
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+var common = require('../common');
+var assert = require('assert');
+var exec = require('child_process').exec;
+var path = require('path');
+
+var callbacks = 0;
+
+function test(env, cb) {
+ var filename = path.join(common.fixturesDir, 'test-fs-readfile-error.js');
+ var execPath = process.execPath + ' ' + filename;
+ var options = { env: env || {} };
+ exec(execPath, options, function(err, stdout, stderr) {
+ assert(err);
+ assert.equal(stdout, '');
+ assert.notEqual(stderr, '');
+ cb('' + stderr);
+ });
+}
+
+test({ NODE_DEBUG: '' }, function(data) {
+ assert(/EISDIR/.test(data));
+ assert(!/test-fs-readfile-error/.test(data));
+ callbacks++;
+});
+
+test({ NODE_DEBUG: 'fs' }, function(data) {
+ assert(/EISDIR/.test(data));
+ assert(/test-fs-readfile-error/.test(data));
+ callbacks++;
+});
+
+process.on('exit', function() {
+ assert.equal(callbacks, 2);
+});