From d4a44586d226b437f87f5bbb2ea2a3a25dfc8a52 Mon Sep 17 00:00:00 2001
From: Veselin Todorov <veselin@veselin.bg>
Date: Thu, 12 Jan 2012 22:02:51 +0200
Subject: [PATCH] Replacing exec(kill) with process.kill. Thanks @visionmedia.

---
 lib/watcher.js | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/lib/watcher.js b/lib/watcher.js
index fca3116..501ef2e 100644
--- a/lib/watcher.js
+++ b/lib/watcher.js
@@ -154,9 +154,13 @@ Watcher.prototype.notify = function(pid, state) {
  */
 Watcher.prototype.check = function(pid, cb) {
   this.parse(pid, function(p) {
-    exec('kill -0 ' + p, function(error, stdout, stderr) {
-      cb(!(stderr));
-    });
+    var result = false;
+    try {
+      if (p && !process.kill(p, 0)) result = true;
+    } catch (err) {
+      result = false;
+    }
+    cb(result);
   });
 };