From 67432fe6501e1ae011870310b1dbcfb49b5233a8 Mon Sep 17 00:00:00 2001
From: Pixel <pixel@nobis-crew.org>
Date: Sun, 4 Dec 2011 11:53:55 -0800
Subject: Refactored the Thread code a bit, and created the GlobalThread class,
 for threads that are created on startup.

---
 includes/Threads.h | 15 +++++++++++----
 src/Socket.cc      |  9 ++-------
 src/TaskMan.cc     |  9 ++-------
 src/Threads.cc     |  2 --
 4 files changed, 15 insertions(+), 20 deletions(-)

diff --git a/includes/Threads.h b/includes/Threads.h
index bc2670d..f6aed5a 100644
--- a/includes/Threads.h
+++ b/includes/Threads.h
@@ -22,23 +22,30 @@ class Lock {
 
 class ThreadHelper;
 
-class Thread : public AtExit {
+class Thread {
   public:
       virtual ~Thread();
     void threadStart();
     void * join();
   protected:
-      Thread(bool registerAtExit = false) : AtExit(registerAtExit ? 1 : -1), m_joined(false) { }
+      Thread() : m_joined(false) { }
     virtual void * proc() = 0;
-    virtual void threadExit();
+    virtual void threadExit() { };
   private:
     pthread_t m_thread;
     volatile bool m_joined;
-    virtual void doExit() { join(); }
 
     friend class ThreadHelper;
 };
 
+class GlobalThread : public Thread, public AtStart, public AtExit {
+  protected:
+      GlobalThread(int startOrder = 10) : AtStart(startOrder), AtExit(1) { }
+  private:
+    virtual void doStart() { threadStart(); }
+    virtual void doExit() { join(); }
+};
+
 template<class T>
 class Queue {
   public:
diff --git a/src/Socket.cc b/src/Socket.cc
index 2f9fa17..56e2dfb 100644
--- a/src/Socket.cc
+++ b/src/Socket.cc
@@ -175,22 +175,17 @@ static const char * inet_ntop(int af, const void * src, char * dst, socklen_t si
 #if 0
 // TODO: use getaddrinfo_a, if available.
 #else
-class ResolverThread : public Balau::Thread, public Balau::AtStart {
+class ResolverThread : public Balau::GlobalThread {
   public:
-      ResolverThread() : Thread(true), AtStart(8), m_stopping(false) { }
+      ResolverThread() : GlobalThread(8), m_stopping(false) { }
     void pushRequest(DNSRequest * req) { m_queue.push(req); }
   private:
     virtual void * proc();
-    virtual void doStart();
     virtual void threadExit();
     Balau::Queue<DNSRequest> m_queue;
     volatile bool m_stopping;
 };
 
-void ResolverThread::doStart() {
-    threadStart();
-}
-
 void ResolverThread::threadExit() {
     m_stopping = true;
     DNSRequest req;
diff --git a/src/TaskMan.cc b/src/TaskMan.cc
index ba74c8f..a1d8255 100644
--- a/src/TaskMan.cc
+++ b/src/TaskMan.cc
@@ -27,12 +27,11 @@ static const int TOO_MANY_STACKS = 1024;
 
 namespace Balau {
 
-class TaskScheduler : public Thread, public AtStart {
+class TaskScheduler : public GlobalThread {
   public:
-      TaskScheduler() : Thread(true), AtStart(100), m_stopping(false) { }
+      TaskScheduler() : GlobalThread(100), m_stopping(false) { }
     void registerTask(Task * t);
     virtual void * proc();
-    virtual void doStart();
     virtual void threadExit();
     void registerTaskMan(TaskMan * t);
     void unregisterTaskMan(TaskMan * t);
@@ -120,10 +119,6 @@ void * Balau::TaskScheduler::proc() {
     return NULL;
 }
 
-void Balau::TaskScheduler::doStart() {
-    threadStart();
-}
-
 void Balau::TaskScheduler::threadExit() {
     Task * s = NULL;
     m_queue.push(s);
diff --git a/src/Threads.cc b/src/Threads.cc
index df19da2..de70933 100644
--- a/src/Threads.cc
+++ b/src/Threads.cc
@@ -57,5 +57,3 @@ void Balau::Thread::threadStart() {
     r = pthread_attr_destroy(&attr);
     RAssert(r == 0, "Couldn't destroy pthread attribute; r = %i", r);
 }
-
-void Balau::Thread::threadExit() { }
-- 
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