From 911858d8d7cab0108f1c14abd676ad37ccb9c95a Mon Sep 17 00:00:00 2001
From: "Nicolas \"Pixel\" Noble" <pixel@nobis-crew.org>
Date: Mon, 5 Aug 2013 19:19:51 +0200
Subject: Adding a helper to LuaExecCell to find the LuaMainTask, and making
 the exec() call interruptible.

---
 includes/LuaTask.h | 2 ++
 src/LuaTask.cc     | 9 ++++++++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/includes/LuaTask.h b/includes/LuaTask.h
index 2ed0156..a12f89f 100644
--- a/includes/LuaTask.h
+++ b/includes/LuaTask.h
@@ -16,6 +16,7 @@ class LuaExecCell {
       LuaExecCell();
       virtual ~LuaExecCell() { if (m_exception) delete m_exception; }
     void detach() { m_detached = true; }
+    void exec(Lua & L);
     void exec(LuaMainTask * mainTask);
     bool gotError() { return m_gotError || m_exception; }
     void throwError() throw (GeneralException);
@@ -27,6 +28,7 @@ class LuaExecCell {
     Events::Async m_event;
     bool m_detached = false;
     bool m_gotError = false;
+    bool m_running = false;
     GeneralException * m_exception = NULL;
     friend class LuaTask;
 
diff --git a/src/LuaTask.cc b/src/LuaTask.cc
index a549563..cc0bb60 100644
--- a/src/LuaTask.cc
+++ b/src/LuaTask.cc
@@ -101,11 +101,18 @@ void Balau::LuaTask::Do() {
 }
 
 void Balau::LuaExecCell::exec(LuaMainTask * mainTask) {
+    if (m_running)
+        return;
+    m_running = true;
     if (!m_detached)
         Task::prepare(&m_event);
     mainTask->exec(this);
     if (!m_detached)
-        Task::operationYield(&m_event);
+        Task::operationYield(&m_event, Task::INTERRUPTIBLE);
+}
+
+void Balau::LuaExecCell::exec(Lua & L) {
+    exec(LuaMainTask::getMainTask(L));
 }
 
 void Balau::LuaExecCell::throwError() throw (GeneralException) {
-- 
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