From bcb19dbd53973ff7efd9b2838de121d1e23430f4 Mon Sep 17 00:00:00 2001
From: chatty
Date: Tue, 28 Nov 2000 14:52:15 +0000
Subject: Lots of files were added around '96

---
 dnn/Disposable.cc | 78 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100755 dnn/Disposable.cc

(limited to 'dnn/Disposable.cc')

diff --git a/dnn/Disposable.cc b/dnn/Disposable.cc
new file mode 100755
index 0000000..4e8a03a
--- /dev/null
+++ b/dnn/Disposable.cc
@@ -0,0 +1,78 @@
+/*
+ *	DNN - Data News Network
+ *
+ *	by Stephane Chatty and Stephane Sire
+ *
+ *	Copyright 1993-1996
+ *	Centre d'Etudes de la Navigation Aerienne (CENA)
+ *
+ *	Disposable objects.
+ *
+ *	$Id$
+ *	$CurLog$
+ */
+
+#include "Disposable.h"
+#include "Loop.h"
+
+bool DnnDisposable::ClassInitialized = false;
+CcuInitializerFor<DnnBaseMultiplexer> DnnDisposable::Dependance;
+CcuInitializerFor<DnnDisposable> DnnDisposable::Initializer;
+CcuListOf<DnnDisposable> DnnDisposable::Garbage;
+
+void
+DnnDisposable :: ClassInit ()
+{
+	if (!ClassInitialized) {
+		ClassInitialized = true;
+		DnnBaseMultiplexer::AddGlobalHook (&DnnDisposable::DeleteGarbage, true);
+	}
+}
+
+#if 0
+void
+DnnDisposable :: ClassClose ()
+{
+	DnnBaseMultiplexer::RemoveGlobalHook (&DnnDisposable::DeleteGarbage);
+}
+#endif
+
+
+/*? 
+\typ{DnnDisposable} objects are objects whose deletion is called in a safe
+place  in an asynchronous way.
+Instances of derived class of DnnDisposable which are to be deleted
+asynchronously must be allocated only dynamically with new.
+
+An instance is put into it's class garbage list (and thus deleted)
+by calling \fun{AsynchronousDelete} on itself.
+A mechanism of Lock and Unlock is also provided to prevent 
+a deletion while in an unsafe state.
+
+Typically this class is to be used by derivation of UchChannel
+which can be deleted from within themselves after a call to \fun{HandleRead}.
+?*/
+DnnDisposable :: DnnDisposable () 
+{
+}
+
+DnnDisposable :: ~DnnDisposable ()
+{
+}
+
+void
+DnnDisposable :: Trash ()
+{ 
+	Garbage.Append (this); 
+};
+
+/*? 
+Delete all the instances which are in the garbage list.
+?*/
+void
+DnnDisposable :: DeleteGarbage ()
+{
+	DnnDisposable* d;
+	while (d = Garbage.RemoveFirst ())
+		delete d;
+}
-- 
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