1 files changed, 85 insertions, 0 deletions
diff --git a/ACE/ace/Null_Condition.h b/ACE/ace/Null_Condition.h
new file mode 100644
index 00000000000..a72df210a51
--- /dev/null
+++ b/ACE/ace/Null_Condition.h
@@ -0,0 +1,85 @@
+// -*- C++ -*-
+
+//==========================================================================
+/**
+ *  @file    Null_Condition.h
+ *
+ *  $Id$
+ *
+ *   Moved from Synch.h.
+ *
+ *  @author Douglas C. Schmidt <schmidt@cs.wustl.edu>
+ */
+//==========================================================================
+
+#ifndef ACE_NULL_CONDITION_H
+#define ACE_NULL_CONDITION_H
+#include /**/ "ace/pre.h"
+
+// All methods in this class are inline, so there is no
+// need to import or export on Windows. -- CAE 12/18/2003
+#include "ace/Null_Mutex.h"
+
+#if !defined (ACE_LACKS_PRAGMA_ONCE)
+# pragma once
+#endif /* ACE_LACKS_PRAGMA_ONCE */
+
+#include "ace/os_include/os_errno.h"
+
+ACE_BEGIN_VERSIONED_NAMESPACE_DECL
+
+class ACE_Time_Value;
+
+/**
+ * @class ACE_Null_Condition
+ *
+ * @brief Implement a do nothing ACE_Condition variable wrapper,
+ * i.e., all methods are no ops.  This class is necessary since
+ * some C++ compilers are *very* lame...
+ */
+class ACE_Null_Condition
+{
+public:
+  ACE_Null_Condition (const ACE_Null_Mutex &m,
+                      const ACE_TCHAR * = 0,
+                      void * = 0)
+    : mutex_ ((ACE_Null_Mutex &) m) {}
+
+  ~ACE_Null_Condition (void) {}
+
+  /// Returns 0.
+  int remove (void) {return 0;}
+
+  /// Returns -1 with <errno> == <ETIME>.
+  int wait (const ACE_Time_Value * = 0) {errno = ETIME; return -1;}
+
+  /// Returns -1 with <errno> == <ETIME>.
+  int wait (ACE_Null_Mutex &,
+            const ACE_Time_Value * = 0) {errno = ETIME; return -1;}
+
+  /// Returns 0.
+  int signal (void) {return 0;}
+
+  /// Returns 0.
+  int broadcast (void) {return 0;}
+  ACE_Null_Mutex &mutex (void) {return this->mutex_;};
+
+  /// Dump the state of an object.
+  void dump (void) const {}
+
+  // ACE_ALLOC_HOOK_DECLARE;
+  // Declare the dynamic allocation hooks.
+
+protected:
+  ACE_Null_Mutex &mutex_; // Reference to mutex lock.
+
+private:
+  // = Prevent assignment and initialization.
+  void operator= (const ACE_Null_Condition &);
+  ACE_Null_Condition (const ACE_Null_Condition &);
+};
+
+ACE_END_VERSIONED_NAMESPACE_DECL
+
+#include /**/ "ace/post.h"
+#endif /* ACE_NULL_CONDITION_H */