Initial import of the CDE 2.1.30 sources from the Open Group.

cde/programs/nsgmls/DescriptorManager.h

@@ -0,0 +1,51 @@
+/* $XConsortium: DescriptorManager.h /main/1 1996/07/29 16:49:04 cde-hp $ */
+// Copyright (c) 1994 James Clark
+// See the file COPYING for copying permission.
+
+#ifndef DescriptorManager_INCLUDED
+#define DescriptorManager_INCLUDED 1
+
+#include "Boolean.h"
+#include "List.h"
+
+#ifdef SP_NAMESPACE
+namespace SP_NAMESPACE {
+#endif
+
+class DescriptorManager;
+
+class SP_API DescriptorUser {
+public:
+  DescriptorUser(DescriptorManager *);
+  virtual ~DescriptorUser();
+  virtual Boolean suspend();
+  void managerDeleted();
+  void acquireD();
+  void releaseD();
+  DescriptorManager *manager() const;
+private:
+  DescriptorManager *manager_;
+};
+
+class SP_API DescriptorManager {
+public:
+  DescriptorManager(int maxD);
+  ~DescriptorManager();
+  void acquireD();
+  void releaseD();
+  void addUser(DescriptorUser *);
+  void removeUser(DescriptorUser *);
+private:
+  DescriptorManager(const DescriptorManager &);	// undefined
+  void operator=(const DescriptorManager &);	// undefined
+
+  int usedD_;
+  int maxD_;
+  List<DescriptorUser *> users_;
+};
+
+#ifdef SP_NAMESPACE
+}
+#endif
+
+#endif /* not DescriptorManager_INCLUDED */