ChangeLogTag:Mon Aug 4 03:26:30 UTC 2003 Don Hinton <dhinton@dresystems.com>

1 files changed, 65 insertions, 0 deletions

diff --git a/ace/Thread_Semaphore.h b/ace/Thread_Semaphore.h
new file mode 100644
index 00000000000..e39ec55ad14
--- /dev/null
+++ b/ace/Thread_Semaphore.h
@@ -0,0 +1,65 @@
+// -*- C++ -*-
+
+//==========================================================================
+/**
+ *  @file    Thread_Semaphore.h
+ *
+ *  $Id$
+ *
+ *   Moved from Synch.h.
+ *
+ *  @author Douglas C. Schmidt <schmidt@cs.wustl.edu>
+ */
+//==========================================================================
+
+#ifndef ACE_THREAD_SEMAPHORE_H
+#define ACE_THREAD_SEMAPHORE_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)
+#  include "ace/Null_Semaphore.h"
+#else /* ACE_HAS_THREADS */
+// ACE platform supports some form of threading.
+
+#include "ace/Semaphore.h"
+
+/**
+ * @class ACE_Thread_Semaphore
+ *
+ * @brief Wrapper for Dijkstra style general semaphores that work
+ * only within one process.
+ */
+class ACE_Export ACE_Thread_Semaphore : public ACE_Semaphore
+{
+public:
+  /// Initialize the semaphore, with an initial value of <count>,
+  /// maximum value of <max>, and unlocked by default.
+  ACE_Thread_Semaphore (unsigned int count = 1, // By default make this unlocked.
+                        const ACE_TCHAR *name = 0,
+                        void * = 0,
+                        int max = 0x7FFFFFFF);
+
+  /// Default dtor.
+  ~ACE_Thread_Semaphore (void);
+
+  /// Dump the state of an object.
+  void dump (void) const;
+
+  /// Declare the dynamic allocation hooks.
+  ACE_ALLOC_HOOK_DECLARE;
+};
+
+#if defined (__ACE_INLINE__)
+#include "ace/Thread_Semaphore.inl"
+#endif /* __ACE_INLINE__ */
+
+#endif /* !ACE_HAS_THREADS */
+
+#include /**/ "ace/post.h"
+#endif /* ACE_THREAD_SEMAPHORE_H */