fresh start

1 files changed, 42 insertions, 0 deletions

diff --git a/client/x11/atomic_count.h b/client/x11/atomic_count.h
new file mode 100644
index 00000000..ca01e14a
--- /dev/null
+++ b/client/x11/atomic_count.h
@@ -0,0 +1,42 @@
+/*
+   Copyright (C) 2009 Red Hat, Inc.
+
+   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, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef _H_ATOMIC_COUNT
+#define _H_ATOMIC_COUNT
+
+class AtomicCount {
+public:
+    AtomicCount(uint32_t count = 0) : _count (count) {}
+
+    uint32_t operator ++ ()
+    {
+        return __sync_add_and_fetch(&_count, 1);
+    }
+
+    uint32_t operator -- ()
+    {
+        return __sync_sub_and_fetch(&_count, 1);
+    }
+
+    operator uint32_t () { return _count;}
+
+private:
+    uint32_t _count;
+};
+
+#endif
+