1 /* === S Y N F I G ========================================================= */
3 ** \brief Template Header
8 ** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
10 ** This package is free software; you can redistribute it and/or
11 ** modify it under the terms of the GNU General Public License as
12 ** published by the Free Software Foundation; either version 2 of
13 ** the License, or (at your option) any later version.
15 ** This package is distributed in the hope that it will be useful,
16 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 ** General Public License for more details.
21 /* ========================================================================= */
23 /* === S T A R T =========================================================== */
25 #ifndef __SYNFIG_MUTEX_H
26 #define __SYNFIG_MUTEX_H
28 /* === H E A D E R S ======================================================= */
30 /* === M A C R O S ========================================================= */
32 /* === T Y P E D E F S ===================================================== */
34 /* === C L A S S E S & S T R U C T S ======================================= */
42 friend class RecMutex;
53 Lock(Mutex& x):mutex(x) { mutex.lock(); }
54 ~Lock() { mutex.unlock(); }
70 void operator=(const Mutex&);
73 class RecMutex : public Mutex
91 ReaderLock(RWLock& x):rw_lock(x) { rw_lock.reader_lock(); }
92 ~ReaderLock() { rw_lock.reader_unlock(); }
98 WriterLock(RWLock& x):rw_lock(x) { rw_lock.writer_lock(); }
99 ~WriterLock() { rw_lock.writer_unlock(); }
106 void reader_unlock();
107 bool reader_trylock();
110 void writer_unlock();
111 bool writer_trylock();
114 }; // END of namespace synfig
116 /* === E N D =============================================================== */