Fixes #11 Segmentation fault.

lib/Curl.js

@@ -1,6 +1,6 @@
 // Generated by ToffeeScript 1.4.0
 (function() {
-  var Curl, m, p;
+  var Curl, curls, id, m, p;
 
   try {
     Curl = require(__dirname + '/../build/Release/node-curl').Curl;
@@ -8,6 +8,10 @@
     Curl = require(__dirname + '/../build/default/node-curl').Curl;
   }
 
+  curls = {};
+
+  id = 0;
+
   Curl.prototype.setopt_user_ = function(option_id, value) {
     return this.options[option_id] = value;
   };
@@ -54,15 +58,26 @@
   };
 
   Curl.prototype.on = function(event, callback) {
+    var _this = this;
     switch (event) {
       case 'data':
         this.on_write = callback;
         break;
       case 'error':
-        this.on_error = callback;
+        this.on_error = function() {
+          var rt;
+          rt = callback();
+          curls[_this.id] = null;
+          return rt;
+        };
         break;
       case 'end':
-        this.on_end = callback;
+        this.on_end = function() {
+          var rt;
+          rt = callback();
+          curls[_this.id] = null;
+          return rt;
+        };
         break;
       default:
         throw new Error("invalid event type " + event);
@@ -71,6 +86,8 @@
   };
 
   Curl.prototype.perform = function() {
+    this.id = ++id;
+    curls[this.id] = this;
     this.perform_();
     Curl.process();
     return this;
@@ -95,7 +112,7 @@
           return process.nextTick(once);
         } else {
           m = 0;
-          w = (8192 - n) * 80 / 8192;
+          w = (8192 - n) * 80 / 8192 >> 0;
           if (w < 0) {
             w = 0;
           }

lib/Curl.toffee

@@ -3,6 +3,8 @@ try
 catch e
   {Curl} = require __dirname + '/../build/default/node-curl'
 
+curls = {}
+id = 0
 Curl::setopt_user_ = (option_id, value) ->
   @options[option_id] = value
 
@@ -50,15 +52,24 @@ Curl::on = (event, callback) ->
       @on_write = callback
     when 'error'
       # (Error error) ->
-      @on_error = callback
+      @on_error = =>
+        rt = callback()
+        curls[@id] = null
+        rt
+
     when 'end'
       # () ->
-      @on_end = callback
+      @on_end = =>
+        rt = callback()
+        curls[@id] = null
+        rt
     else
       throw new Error("invalid event type #{event}")
   @
 
 Curl::perform = ->
+  @id = ++id
+  curls[@id] = @
   @perform_()
   Curl.process()
   @
@@ -77,7 +88,7 @@ Curl.process = ->
         process.nextTick once
       else
         m = 0
-        w = (8192 - n) * 80 / 8192
+        w = (8192 - n) * 80 / 8192 >> 0
         if w < 0
           w = 0
         setTimeout once, w