domain: forward args to .run(fn)

Adds the feature to define arguments for the function called in
domain.run(), this is supposed to be useful when a function is called from
another context and some values from the current context are needed as
arguments, it's similar to the callback from setTimeout or setInterval.

PR-URL: https://github.com/iojs/io.js/pull/15
Reviewed-By: Chris Dickinson <christopher.s.dickinson@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>

1 files changed, 43 insertions, 0 deletions

diff --git a/benchmark/misc/domain-fn-args.js b/benchmark/misc/domain-fn-args.js
new file mode 100644
index 0000000000..36e9e90029
--- /dev/null
+++ b/benchmark/misc/domain-fn-args.js
@@ -0,0 +1,43 @@
+var common = require('../common.js');
+var domain = require('domain');
+
+var bench = common.createBenchmark(main, {
+  arguments: [0, 1, 2, 3],
+  n: [10]
+});
+
+var bdomain = domain.create();
+var gargs = [1, 2, 3];
+
+function main(conf) {
+
+  var args, ret, n = +conf.n;
+  var arguments = gargs.slice(0, conf.arguments);
+  bench.start();
+
+  bdomain.enter();
+  for (var i = 0; i < n; i++) {
+    if (arguments.length >= 2) {
+      args = Array.prototype.slice.call(arguments, 1);
+      ret = fn.apply(this, args);
+    } else {
+      ret = fn.call(this);
+    }
+  }
+  bdomain.exit();
+
+  bench.end(n);
+}
+
+function fn(a, b, c) {
+  if (!a)
+    a = 1;
+
+  if (!b)
+    b = 2;
+
+  if (!c)
+    c = 3;
+
+  return a + b + c;
+}
\ No newline at end of file