From 73b6281aab48218a464db96810ac7fd231163122 Mon Sep 17 00:00:00 2001
From: Shaun McPeck <smcpeck@gmail.com>
Date: Sun, 28 Jan 2018 13:35:56 -0600
Subject: [PATCH 1/2] Pass PID list into wmic query to speed things up on
 WIndows.

---
 lib/index.js | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/lib/index.js b/lib/index.js
index 893c57b..36925d1 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -20,7 +20,7 @@ var SystemEOL = require('os').EOL;
  * @param {Object[]} callback.stdout
  */
 
-var Exec = module.exports = exports = function (args, callback) {
+var Exec = module.exports = exports = function (winArgs, args, callback) {
   var spawn = ChildProcess.spawn;
 
   // on windows, if use ChildProcess.exec(`wmic process get`), the stdout will gives you nothing
@@ -64,7 +64,7 @@ var Exec = module.exports = exports = function (args, callback) {
       callback(stderr, stdout.join(SystemEOL) || false);
     });
 
-    CMD.stdin.write('wmic process get ProcessId,ParentProcessId,CommandLine \n');
+    CMD.stdin.write('wmic process ' + winArgs.join(" ") + ' get ProcessId,ParentProcessId,CommandLine \n');
     CMD.stdin.end();
   }
   else {
@@ -119,6 +119,7 @@ exports.lookup = function (query, callback) {
    * add 'lx' as default ps arguments, since the default ps output in linux like "ubuntu", wont include command arguments
    */
   var exeArgs = query.psargs || ['lx'];
+  var winArgs;
   var filter = {};
   var idList;
 
@@ -131,7 +132,7 @@ exports.lookup = function (query, callback) {
     else {
       idList = [query.pid];
     }
-
+	winArgs = ["where", '"' + idList.map(pid => "ProcessId="+pid).join(" OR ") + '"'];
     // Cast all PIDs as Strings
     idList = idList.map(function (v) {
       return String(v);
@@ -152,7 +153,7 @@ exports.lookup = function (query, callback) {
     filter['ppid'] = new RegExp(query.ppid);
   }
 
-  return Exec(exeArgs, function (err, output) {
+  return Exec(winArgs, exeArgs, function (err, output) {
     if (err) {
       return callback(err);
     }

From 1ec451e15374d65da3f73a1acb83e0a5e5803612 Mon Sep 17 00:00:00 2001
From: Shaun McPeck <smcpeck@gmail.com>
Date: Sun, 28 Jan 2018 13:41:07 -0600
Subject: [PATCH 2/2] Default winArgs variable to empty array.

---
 lib/index.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/index.js b/lib/index.js
index 36925d1..fa49de2 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -119,7 +119,7 @@ exports.lookup = function (query, callback) {
    * add 'lx' as default ps arguments, since the default ps output in linux like "ubuntu", wont include command arguments
    */
   var exeArgs = query.psargs || ['lx'];
-  var winArgs;
+  var winArgs = [];
   var filter = {};
   var idList;