From Benoit Laniel: replace SG threading constructs with OpenThreads

src/Environment/environment_ctrl.cxx

@@ -356,7 +356,8 @@ FGMetarEnvironmentCtrl::FGMetarEnvironmentCtrl ()
 {
 #if defined(ENABLE_THREADS)
     thread = new MetarThread(this);
-    thread->start( 1 );
+    thread->setProcessorAffinity(1);
+    thread->start();
 #endif // ENABLE_THREADS
 }
 

src/Environment/environment_ctrl.hxx

@@ -32,7 +32,7 @@
 #include <simgear/environment/metar.hxx>
 
 #if defined(ENABLE_THREADS)
-# include <simgear/threads/SGThread.hxx>
+# include <OpenThreads/Thread>
 # include <simgear/threads/SGQueue.hxx>
 #endif
 
@@ -233,7 +233,7 @@ private:
      * This class represents the thread of execution responsible for
      * fetching the metar data.
      */
-    class MetarThread : public SGThread
+    class MetarThread : public OpenThreads::Thread
     {
     public:
         MetarThread( FGMetarEnvironmentCtrl* f ) : fetcher(f) {}

src/Sound/voice.cxx

@@ -71,7 +71,8 @@ void FGVoiceMgr::init()
 	}
 
 #if defined(ENABLE_THREADS)
-	_thread->start(1);
+	_thread->setProcessorAffinity(1);
+	_thread->start();
 #endif
 }
 

src/Sound/voice.hxx

@@ -37,7 +37,10 @@
 #include <Main/fg_props.hxx>
 
 #if defined(ENABLE_THREADS)
-#  include <simgear/threads/SGThread.hxx>
+#  include <OpenThreads/Thread>
+#  include <OpenThreads/Mutex>
+#  include <OpenThreads/ScopedLock>
+#  include <OpenThreads/Condition>
 #  include <simgear/threads/SGQueue.hxx>
 #else
 #  include <queue>
@@ -74,16 +77,16 @@ private:
 
 
 #if defined(ENABLE_THREADS)
-class FGVoiceMgr::FGVoiceThread : public SGThread {
+class FGVoiceMgr::FGVoiceThread : public OpenThreads::Thread {
 public:
 	FGVoiceThread(FGVoiceMgr *mgr) : _mgr(mgr) {}
 	void run();
 	void wake_up() { _jobs.signal(); }
 
 private:
-	void wait_for_jobs() { SGGuard<SGMutex> g(_mutex); _jobs.wait(_mutex); }
+	void wait_for_jobs() { OpenThreads::ScopedLock<OpenThreads::Mutex> g(_mutex); _jobs.wait(&_mutex); }
-	SGPthreadCond _jobs;
+	OpenThreads::Condition _jobs;
-	SGMutex _mutex;
+	OpenThreads::Mutex _mutex;
 	FGVoiceMgr *_mgr;
 };
 #endif