git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@130 331e1502-861f-0410-8da2-ba01fb791d7f

trunk/paradiseo-peo/src/core/thread.h

@@ -0,0 +1,63 @@
+// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
+
+// "thread.h"
+
+// (c) OPAC Team, LIFL, August 2005
+
+/* This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+   
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+   
+   You should have received a copy of the GNU Lesser General Public
+   License along with this library; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+   
+   Contact: paradiseo-help@lists.gforge.inria.fr
+*/
+
+#ifndef THREAD_H_
+#define THREAD_H_
+
+#include <vector>
+
+/* A high-level thread */
+
+class Thread {
+	
+public:
+
+  /* Ctor */
+  Thread ();
+
+  /* Dtor */
+  virtual ~ Thread ();
+  
+  /* Go ! */
+  virtual void start () = 0;
+
+  void setActive ();/* It means the current process is going to send messages soon */
+  void setPassive ();/* The current process is not going to perform send operations
+			(but it may receive messages) */
+
+private :
+  
+  bool act;
+};
+
+extern void addThread (Thread * __hl_thread, std :: vector <pthread_t *> & __ll_threads);
+
+extern void joinThreads (std :: vector <pthread_t *> & __ll_threads);
+
+extern bool atLeastOneActiveThread (); /* It returns 'true' iff at least one process is going
+				      to send messages */
+  
+extern unsigned numberOfActiveThreads ();
+
+
+#endif /*THREAD_H_*/