Split mpvcore/ into common/, misc/, bstr/

1 files changed, 23 insertions, 0 deletions

diff --git a/compat/atomics.h b/compat/atomics.h
new file mode 100644
index 0000000000..e27825de8f
--- /dev/null
+++ b/compat/atomics.h
@@ -0,0 +1,23 @@
+/*
+ * This file is part of mpv.
+ * Copyright (c) 2013 Stefano Pigozzi <stefano.pigozzi@gmail.com>
+ *
+ * mpv 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.
+ *
+ * mpv 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 mpv.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+// At this point both gcc and clang had __sync_synchronize support for some
+// time. We only support a full memory barrier.
+
+#define mp_memory_barrier()           __sync_synchronize()
+#define mp_atomic_add_and_fetch(a, b) __sync_add_and_fetch(a, b)