:ChangeLogTag:Wed Nov 5 19:03:20 UTC 2003 Don Hinton <dhinton@dresystems.com>

1 files changed, 70 insertions, 0 deletions

diff --git a/ace/Static_Object_Lock.h b/ace/Static_Object_Lock.h
new file mode 100644
index 00000000000..3e41e55a84e
--- /dev/null
+++ b/ace/Static_Object_Lock.h
@@ -0,0 +1,70 @@
+/* -*- C++ -*- */
+
+//=============================================================================
+/**
+ *  @file    Static_Object_Lock.h
+ *
+ *  $Id$
+ *
+ *  @author David L. Levine <levine@cs.wustl.edu>
+ *  @author Matthias Kerkhoff
+ *  @author Per Andersson
+ */
+//=============================================================================
+
+#ifndef ACE_STATIC_OBJECT_LOCK_H
+#define ACE_STATIC_OBJECT_LOCK_H
+#include /**/ "ace/pre.h"
+
+#include "ace/ACE_export.h"
+
+#if !defined (ACE_LACKS_PRAGMA_ONCE)
+# pragma once
+#endif /* ACE_LACKS_PRAGMA_ONCE */
+
+#if defined (ACE_HAS_THREADS)
+
+class ACE_Recursive_Thread_Mutex;
+
+/**
+ * @class ACE_Static_Object_Lock
+ *
+ * @brief Provide an interface to access a global lock.
+ *
+ * This class is used to serialize the creation of static
+ * singleton objects.  It really isn't needed any more, because
+ * anyone can access ACE_STATIC_OBJECT_LOCK directly.  But, it
+ * is retained for backward compatibility.
+ */
+class ACE_Export ACE_Static_Object_Lock
+{
+public:
+  /// Static lock access point.
+  static ACE_Recursive_Thread_Mutex *instance (void);
+
+  /// For use only by ACE_Object_Manager to clean up lock if it
+  /// what dynamically allocated.
+  static void cleanup_lock (void);
+};
+
+#endif /* ACE_HAS_THREADS */
+
+// hack to get around errors while compiling using split-cpp
+#if defined (ACE_HAS_THREADS)
+
+# if defined (ACE_IS_SPLITTING)
+typedef ACE_Cleanup_Adapter<ACE_Recursive_Thread_Mutex> ACE_Static_Object_Lock_Type;
+
+#  if defined (__GNUC__)
+// With g++, suppress the warning that this is unused.
+static ACE_Static_Object_Lock_Type *ACE_Static_Object_Lock_lock __attribute__ ((unused)) = 0;
+#  else
+static ACE_Static_Object_Lock_Type *ACE_Static_Object_Lock_lock = 0;
+#  endif /* __GNUC__ */
+
+# endif /* ACE_IS_SPLITTING */
+
+#endif /* ACE_HAS_THREADS */
+
+#include /**/ "ace/pre.h"
+#endif /* ACE_STATIC_OBJECT_LOCK_H */