initial checkin

Check in contents of upstream 1.4.2 tarball, exclude generated files.

1 files changed, 47 insertions, 0 deletions

diff --git a/src/prohibit_thread.h b/src/prohibit_thread.h
new file mode 100644
index 0000000..72b139a
--- /dev/null
+++ b/src/prohibit_thread.h
@@ -0,0 +1,47 @@
+/*
+    Copyright (C) 2005-2009  Michel de Boer <michel@twinklephone.com>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program 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 General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+#ifndef _PROHIBIT_THREAD_H
+#define _PROHIBIT_THREAD_H
+
+#include <set>
+#include "threads/mutex.h"
+#include "threads/thread.h"
+
+using namespace std;
+
+// This class implements an interface to keep track of thread id's that are
+// prohibited from some actions, e.g. taking a certain lock
+
+class i_prohibit_thread {
+private:
+	// List of thread id's that are prohibited from some action
+	mutable t_mutex			prohibited_mutex;
+	set<pthread_t>		prohibited_threads;
+	
+public:
+	// Operations on the prohibited set of thread id's
+	// Add/remove the thread id of the calling thread
+	void add_prohibited_thread(void);
+	void remove_prohibited_thread(void);
+	
+	// Returns true if the current thread is prohibited
+	bool is_prohibited_thread(void) const;
+};
+
+#endif