another safety belt

[lyx.git] / src / support / forkedcontr.h

diff --git a/src/support/forkedcontr.h b/src/support/forkedcontr.h
index 967ecc9c246b470c5ea37184edd563badfa5407d..6dbed1c7acc5da2a485422bd3e57a8c6af002655 100644 (file)
--- a/src/support/forkedcontr.h
+++ b/src/support/forkedcontr.h
@@ -1,12 +1,14 @@
 // -*- C++ -*-
 /**
  * \file forkedcontr.h
- * Copyright 2001 The LyX Team
- * Read COPYING
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
  *
  * \author Asger Alstrup Nielsen
  * \author Angus Leeming
  *
+ * Full author contact details are available in file CREDITS
+ *
  * A class for the control of child processes launched using
  * fork() and execvp().
  */
@@ -14,25 +16,37 @@
 #ifndef FORKEDCONTR_H
 #define FORKEDCONTR_H
 
+#include "LString.h"
+
+#include <boost/signals/signal0.hpp>
+#include <boost/signals/trackable.hpp>
+
+#include <sys/types.h> // needed for pid_t
+
 #include <list>
 #include <vector>
-#include "LString.h"
-#include <sigc++/signal_system.h>
 
 #ifdef __GNUG__
 #pragma interface
 #endif
 
-class Forkedcall;
+class ForkedProcess;
 class Timeout;
 
-class ForkedcallsController : public SigC::Object {
+class ForkedcallsController : public boost::signals::trackable {
 public:
+       /// We need this to avoid warnings.
+       ForkedcallsController();
+       /** This d-tor should really be private, but making it public
+        *   allows egcs 1.1 to compile the class.
+        */
+       ~ForkedcallsController();
+
        /// Get hold of the only controller that can exist inside the process.
-        static ForkedcallsController & get();
+       static ForkedcallsController & get();
 
        /// Add a new child process to the list of controlled processes.
-       void addCall(Forkedcall const & newcall);
+       void addCall(ForkedProcess const &);
 
        /** This method is connected to the timer. Every XX ms it is called
         *  so that we can check on the status of the children. Those that
@@ -54,25 +68,21 @@ public:
        void kill(pid_t, int tolerance = 5);
 
        /// Signal emitted when the list of current child processes changes.
-       SigC::Signal0<void> childrenChanged;
-       
+       boost::signal0<void> childrenChanged;
+
 private:
-       /// Can't create multiple instances of ForkedcallsController.
-       ForkedcallsController();
        ///
        ForkedcallsController(ForkedcallsController const &);
-       ///
-       ~ForkedcallsController();
 
        /// The child processes
-       typedef std::list<Forkedcall *> ListType;
+       typedef std::list<ForkedProcess *> ListType;
        ///
        ListType forkedCalls;
 
        /** The timer. Enables us to check the status of the children
         *  every XX ms and to invoke a callback on completion.
         */
-        Timeout * timeout_;
+       Timeout * timeout_;
 };
 
 #endif // FORKEDCONTR_H