Directory Structure [step 1]: moving files

working on #672

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deps/acelite/ace/Thread_Exit.h

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+// -*- C++ -*-
+
+//=============================================================================
+/**
+ *  @file    Thread_Exit.h
+ *
+ *  @author Carlos O'Ryan <coryan@uci.edu>
+ */
+//=============================================================================
+
+
+#ifndef ACE_THREAD_EXIT_H
+#define ACE_THREAD_EXIT_H
+#include /**/ "ace/pre.h"
+
+#include /**/ "ace/config-all.h"
+
+#if !defined (ACE_LACKS_PRAGMA_ONCE)
+# pragma once
+#endif /* ACE_LACKS_PRAGMA_ONCE */
+
+#include "ace/Thread_Control.h"
+
+ACE_BEGIN_VERSIONED_NAMESPACE_DECL
+
+/**
+ * @class ACE_Thread_Exit
+ *
+ * @brief Keep exit information for a Thread in thread specific storage.
+ * so that the thread-specific exit hooks will get called no
+ * matter how the thread exits (e.g., via <ACE_Thread::exit>, C++
+ * or Win32 exception, "falling off the end" of the thread entry
+ * point function, etc.).
+ *
+ * This clever little helper class is stored in thread-specific
+ * storage using the <ACE_TSS> wrapper.  When a thread exits the
+ * <ACE_TSS::cleanup> function deletes this object, thereby
+ * closing it down gracefully.
+ */
+class ACE_Export ACE_Thread_Exit
+{
+public:
+  /// Capture the Thread that will be cleaned up automatically.
+  ACE_Thread_Exit (void);
+
+  /// Set the ACE_Thread_Manager.
+  void thr_mgr (ACE_Thread_Manager *tm);
+
+  /// Destructor calls the thread-specific exit hooks when a thread
+  /// exits.
+  ~ACE_Thread_Exit (void);
+
+  /// Singleton access point.
+  static ACE_Thread_Exit *instance (void);
+
+  /// Cleanup method, used by the ACE_Object_Manager to destroy the
+  /// singleton.
+  static void cleanup (void *instance);
+
+private:
+  /// Automatically add/remove the thread from the
+  /// ACE_Thread_Manager.
+  ACE_Thread_Control thread_control_;
+
+  /**
+   * Used to detect whether we should create a new instance (or not)
+   * within the instance method -- we don't trust the instance_ ptr
+   * because the destructor may have run (if ACE::fini() was called).
+   * See bug #526.
+   * We don't follow the singleton pattern due to dependency issues.
+   */
+  static bool is_constructed_;
+};
+
+/**
+ * @class ACE_Thread_Exit_Maybe
+ *
+ * @brief A version of ACE_Thread_Exit that is created dynamically
+ * under the hood if the flag is set to TRUE.
+ *
+ * Allows the appearance of a "smart pointer", but is not
+ * always created.
+ */
+class ACE_Export ACE_Thread_Exit_Maybe
+{
+public:
+  /// Don't create an ACE_Thread_Exit instance by default.
+  ACE_Thread_Exit_Maybe (int flag = 0);
+
+  /// Destroys the underlying ACE_Thread_Exit instance if it exists.
+  ~ACE_Thread_Exit_Maybe (void);
+
+  /// Delegates to underlying instance.
+  ACE_Thread_Exit * operator -> (void) const;
+
+  /// Returns the underlying instance.
+  ACE_Thread_Exit * instance (void) const;
+
+private:
+
+  /// Holds the underlying instance.
+  ACE_Thread_Exit *instance_;
+
+};
+
+ACE_END_VERSIONED_NAMESPACE_DECL
+
+#include /**/ "ace/post.h"
+#endif /* ACE_THREAD_EXIT_H */