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authorwm4 <wm4@nowhere>2013-12-17 02:39:45 +0100
committerwm4 <wm4@nowhere>2013-12-17 02:39:45 +0100
commit0112143fdaae0a6264d9e02355e9dc0ca4f7741c (patch)
treebbbe9527d1e1490e37b67d97398c5bc19c7794cd /compat/atomics.h
parent73a5417950a2d21a397597c05521725f3d125993 (diff)
downloadmpv-0112143fdaae0a6264d9e02355e9dc0ca4f7741c.tar.bz2
mpv-0112143fdaae0a6264d9e02355e9dc0ca4f7741c.tar.xz
Split mpvcore/ into common/, misc/, bstr/
Diffstat (limited to 'compat/atomics.h')
-rw-r--r--compat/atomics.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/compat/atomics.h b/compat/atomics.h
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+/*
+ * 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)