LGPL

[vlc] / src / win32 / atomic.c

diff --git a/src/win32/atomic.c b/src/win32/atomic.c
index abadf894ff956e789f3203151284d24a74c67dda..cb2bc842b02912633f0b2f2f087de8c11f3c13cc 100644 (file)
--- a/src/win32/atomic.c
+++ b/src/win32/atomic.c
@@ -3,19 +3,19 @@
  *****************************************************************************
  * Copyright (C) 2010 Rémi Denis-Courmont
  *
- * 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
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 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.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  *****************************************************************************/
 
 #ifdef HAVE_CONFIG_H
@@ -50,3 +50,22 @@ uintptr_t vlc_atomic_add (vlc_atomic_t *atom, uintptr_t v)
     return InterlockedExchangeAdd (&atom->s, v) + v;
 #endif
 }
+
+uintptr_t vlc_atomic_swap (vlc_atomic_t *atom, uintptr_t v)
+{
+#if defined (WIN64)
+    return InterlockedExchange64 (&atom->s, v);
+#else
+    return InterlockedExchange (&atom->s, v);
+#endif
+}
+
+uintptr_t vlc_atomic_compare_swap (vlc_atomic_t *atom,
+                                   uintptr_t oldval, uintptr_t newval)
+{
+#if defined (WIN64)
+    return InterlockedCompareExchange64 (&atom->s, newval, oldval);
+#else
+    return InterlockedCompareExchange (&atom->s, newval, oldval);
+#endif
+}