1 files changed, 81 insertions, 0 deletions
diff --git a/ACE/ace/Sig_Adapter.h b/ACE/ace/Sig_Adapter.h
new file mode 100644
index 00000000000..c784fedb48b
--- /dev/null
+++ b/ACE/ace/Sig_Adapter.h
@@ -0,0 +1,81 @@
+// -*- C++ -*-
+
+//=============================================================================
+/**
+ *  @file    Sig_Adapter.h
+ *
+ *  $Id$
+ *
+ *  @author Douglas C. Schmidt <schmidt@cs.wustl.edu>
+ */
+//=============================================================================
+
+#ifndef ACE_SIG_ADAPTER_H
+#define ACE_SIG_ADAPTER_H
+
+#include /**/ "ace/pre.h"
+
+#include "ace/ACE_export.h"
+
+#if !defined (ACE_LACKS_PRAGMA_ONCE)
+# pragma once
+#endif /* ACE_LACKS_PRAGMA_ONCE */
+
+#include "ace/Event_Handler.h"
+#include "ace/Signal.h"
+
+ACE_BEGIN_VERSIONED_NAMESPACE_DECL
+
+/**
+ * @class ACE_Sig_Adapter
+ *
+ * @brief Provide an adapter that transforms various types of signal
+ * handlers into the scheme used by the <ACE_Reactor>.
+ */
+class ACE_Export ACE_Sig_Adapter : public ACE_Event_Handler
+{
+public:
+  ACE_Sig_Adapter (ACE_Sig_Action &, int sigkey);
+  ACE_Sig_Adapter (ACE_Event_Handler *, int sigkey);
+  ACE_Sig_Adapter (ACE_Sig_Handler_Ex, int sigkey = 0);
+  ~ACE_Sig_Adapter (void);
+
+  /// Returns this signal key that's used to remove this from the
+  /// <ACE_Reactor>'s internal table.
+  int sigkey (void);
+
+  /// Called by the <Reactor> to dispatch the signal handler.
+  virtual int handle_signal (int, siginfo_t *, ucontext_t *);
+
+private:
+  /// Key for this signal handler (used to remove it).
+  int sigkey_;
+
+  /// Is this an external handler or an ACE handler?
+  enum
+  {
+    /// We're just wrapping an ACE_Event_Handler.
+    ACE_HANDLER,
+    /// An ACE_Sig_Action.
+    SIG_ACTION,
+    /// A normal C function.
+    C_FUNCTION
+  } type_;
+
+  // = This should be a union, but C++ won't allow that because the
+  // <ACE_Sig_Action> has a constructor.
+  /// This is an external handler (ugh).
+  ACE_Sig_Action sa_;
+
+  /// This is an ACE hander.
+  ACE_Event_Handler *eh_;
+
+  /// This is a normal C function.
+  ACE_Sig_Handler_Ex sig_func_;
+};
+
+ACE_END_VERSIONED_NAMESPACE_DECL
+
+#include /**/ "ace/post.h"
+
+#endif /* ACE_SIG_ADAPTER_H */