2 Copyright (C) 2010 Tim Mayberry
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #ifndef PBD_GLIB_SEMAPHORE_H
21 #define PBD_GLIB_SEMAPHORE_H
23 #include <glibmm/threads.h>
25 #include "pbd/libpbd_visibility.h"
26 #include "atomic_counter.h"
30 class LIBPBD_API GlibSemaphore
33 // prevent copying and assignment
34 GlibSemaphore(const GlibSemaphore& sema);
35 GlibSemaphore& operator= (const GlibSemaphore& sema);
39 GlibSemaphore (gint initial_val = 1);
49 atomic_counter m_counter;
50 Glib::Threads::Cond m_cond;
51 Glib::Threads::Mutex m_mutex;
57 #endif // PBD_SEMAPHORE_H