uatomic/x86: Remove redundant memory barriers

[urcu.git] / include / urcu / syscall-compat.h

diff --git a/include/urcu/syscall-compat.h b/include/urcu/syscall-compat.h
index fa63a7bbee8eda960dfaf4d1709ca0595189ccc2..d49b9886b8d004e01db531f7ec860ab28093ab67 100644 (file)
--- a/include/urcu/syscall-compat.h
+++ b/include/urcu/syscall-compat.h
@@ -1,30 +1,12 @@
+// SPDX-FileCopyrightText: 2013 Pierre-Luc St-Charles <pierre-luc.st-charles@polymtl.ca>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
+
 #ifndef _URCU_SYSCALL_COMPAT_H
 #define _URCU_SYSCALL_COMPAT_H
 
 /*
- * urcu/syscall-compat.h
- *
  * Userspace RCU library - Syscall Compatibility Header
- *
- * Copyright 2013 - Pierre-Luc St-Charles <pierre-luc.st-charles@polymtl.ca>
- *
- * Note: this file is only used to simplify the code required to
- * include the 'syscall.h' system header across multiple platforms,
- * which might not always be located at the same place (or needed at all).
- *
- * This library 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 library 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #if defined(__ANDROID__) || defined(__sun__) || defined(__GNU__)
@@ -32,8 +14,10 @@
 #elif defined(__linux__) || defined(__GLIBC__)
 #include <syscall.h>
 
-#elif defined(__CYGWIN__) || defined(__APPLE__)
-/* Don't include anything on Cygwin or MacOSX. */
+#elif defined(__CYGWIN__) || defined(__APPLE__) || \
+       defined(__FreeBSD__) || defined(__DragonFly__) || \
+       defined(__OpenBSD__)
+/* Don't include anything on these platforms. */
 
 #else
 #error "Add platform support to urcu/syscall-compat.h"