From 0e9e927fcb71d44524340ae4f0392bd1dcced7fb Mon Sep 17 00:00:00 2001
From: Ryan <ry@tinyclouds.org>
Date: Sat, 4 Apr 2009 16:53:43 +0200
Subject: [PATCH] enable support for the thread pool

---
 src/node.cc | 32 ++++++++++++++++++++++++++++++--
 src/node.h  |  6 ++++--
 wscript     |  4 +---
 3 files changed, 35 insertions(+), 7 deletions(-)

diff --git a/src/node.cc b/src/node.cc
index ad7b2f8839..e89b88c042 100644
--- a/src/node.cc
+++ b/src/node.cc
@@ -1,6 +1,4 @@
 #include "node.h"
-#define EV_STANDALONE 1
-#include <ev.c>
 
 #include "node_tcp.h"
 #include "node_http.h"
@@ -189,6 +187,28 @@ v8::Handle<v8::Value> Load(const v8::Arguments& args) {
   return v8::Undefined();
 }
 
+static ev_async thread_pool_watcher;
+
+static void 
+thread_pool_cb (EV_P_ ev_async *w, int revents)
+{
+  int r = eio_poll();
+  /* returns 0 if all requests were handled, -1 if not, or the value of EIO_FINISH if != 0 */
+  if(r == 0) ev_async_stop(EV_DEFAULT_ w);
+}
+
+static void
+thread_pool_want_poll (void)
+{
+  ev_async_send(EV_DEFAULT_ &thread_pool_watcher); 
+}
+
+void
+node_eio_submit(eio_req *req)
+{
+  ev_async_start(EV_DEFAULT_ &thread_pool_watcher);
+}
+
 int
 main (int argc, char *argv[]) 
 {
@@ -198,6 +218,8 @@ main (int argc, char *argv[])
     fprintf(stderr, "No script was specified.\n");
     return 1;
   }
+
+
   string filename(argv[1]);
 
   HandleScope handle_scope;
@@ -226,6 +248,12 @@ main (int argc, char *argv[])
   V8::SetFatalErrorHandler(OnFatalError);
 
   v8::Handle<v8::String> source = ReadFile(filename);
+
+  // start eio thread pool
+  ev_async_init(&thread_pool_watcher, thread_pool_cb);
+  ev_async_start(EV_DEFAULT_ &thread_pool_watcher);
+  eio_init(thread_pool_want_poll, NULL);
+
   ExecuteString(source, String::New(filename.c_str()), false, true);
 
   ev_loop(node_loop(), 0);
diff --git a/src/node.h b/src/node.h
index 91ed676459..3d075a9abd 100644
--- a/src/node.h
+++ b/src/node.h
@@ -1,13 +1,15 @@
 #ifndef node_h
 #define node_h
 
-#define EV_STANDALONE 1
 #include <ev.h>
-
+#include <eio.h>
 #include <v8.h>
 
 void node_fatal_exception (v8::TryCatch &try_catch); 
 #define node_loop() ev_default_loop(0)
 
+// call this after creating a new eio event.
+void node_eio_submit(eio_req *req);
+
 #endif // node_h
 
diff --git a/wscript b/wscript
index ade7f3f7b4..361ecffe06 100644
--- a/wscript
+++ b/wscript
@@ -42,9 +42,7 @@ def configure(conf):
   conf.define("HAVE_CONFIG_H", 1)
   conf.write_config_header('config.h')
 
-
 def build(bld):
-
   bld.add_subdirs('deps/libeio deps/libev')
 
   ### v8
@@ -100,4 +98,4 @@ def build(bld):
     deps/ebb
   """
   node.uselib_local = "oi ev eio ebb"
-  node.uselib = "V8 PTHREAD"
+  node.uselib = "V8"