1 files changed, 54 insertions, 0 deletions
diff --git a/ace/Thread_Hook.h b/ace/Thread_Hook.h
new file mode 100644
index 00000000000..a1312e1ec8d
--- /dev/null
+++ b/ace/Thread_Hook.h
@@ -0,0 +1,54 @@
+// $Id$
+
+// ============================================================================
+//
+// = LIBRARY
+//    ace
+//
+// = FILENAME
+//    Thread_Hook.h
+//
+// = AUTHOR
+//    Carlos O'Ryan <coryan@uci.edu>
+//
+// ============================================================================
+
+#ifndef ACE_THREAD_HOOK_H
+#define ACE_THREAD_HOOK_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/OS.h"
+
+class ACE_Export ACE_Thread_Hook
+{
+  // = TITLE
+  //     This class makes it possible to provide user-defined "start"
+  //     hooks that are called before the thread entry point function
+  //     is invoked.
+
+public:
+  virtual void *start (ACE_THR_FUNC func,
+                       void *arg);
+  // This method can be overridden in a subclass to customize this
+  // pre-function call "hook" invocation that can perform
+  // initialization processing before the thread entry point <func>
+  // method is called back.  The <func> and <arg> passed into the
+  // start hook are the same as those passed by the application that
+  // spawned the thread.
+
+  static ACE_Thread_Hook *thread_hook (ACE_Thread_Hook *hook);
+  // sets the system wide thread hook, returns the previous thread
+  // hook or 0 if none is set.
+
+  static ACE_Thread_Hook *thread_hook (void);
+  // Returns the current system thread hook.
+};
+
+#include "ace/post.h"
+#endif /* ACE_THREAD_HOOK_H */