Update copyright years.

[thirdparty/gcc.git] / libstdc++-v3 / config / cpu / i386 / atomicity.h

diff --git a/libstdc++-v3/config/cpu/i386/atomicity.h b/libstdc++-v3/config/cpu/i386/atomicity.h
index 8f7619307fe84f3056b5efec093ba145d1d8c37b..79d3366818b8de70b4c27d7b36025d56b195d585 100644 (file)
--- a/libstdc++-v3/config/cpu/i386/atomicity.h
+++ b/libstdc++-v3/config/cpu/i386/atomicity.h
@@ -1,6 +1,6 @@
 // Low-level functions for atomic operations: x86, x >= 3 version  -*- C++ -*-
 
-// Copyright (C) 2003, 2004, 2005, 2009 Free Software Foundation, Inc.
+// Copyright (C) 2003-2024 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
@@ -24,7 +24,9 @@
 
 #include <ext/atomicity.h>
 
-_GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)
+namespace __gnu_cxx _GLIBCXX_VISIBILITY(default)
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
 
   template<int __inst>
     struct _Atomicity_lock
@@ -36,35 +38,36 @@ _GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)
   volatile _Atomic_word _Atomicity_lock<__inst>::_S_atomicity_lock = 0;
 
   template volatile _Atomic_word _Atomicity_lock<0>::_S_atomicity_lock;
-  
-  _Atomic_word 
+
+  _Atomic_word
   __attribute__ ((__unused__))
   __exchange_and_add(volatile _Atomic_word* __mem, int __val) throw ()
   {
     register _Atomic_word __result, __tmp = 1;
-    
+
     // Obtain the atomic exchange/add spin lock.
-    do 
+    do
       {
        __asm__ __volatile__ ("xchg{l} {%0,%1|%1,%0}"
                              : "=m" (_Atomicity_lock<0>::_S_atomicity_lock),
                              "+r" (__tmp)
                              : "m" (_Atomicity_lock<0>::_S_atomicity_lock));
-      } 
+      }
     while (__tmp);
-    
+
     __result = *__mem;
     *__mem += __val;
-    
+
     // Release spin lock.
     _Atomicity_lock<0>::_S_atomicity_lock = 0;
-    
+
     return __result;
   }
-  
+
   void
   __attribute__ ((__unused__))
   __atomic_add(volatile _Atomic_word* __mem, int __val) throw ()
   { __exchange_and_add(__mem, __val); }
 
-_GLIBCXX_END_NAMESPACE
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace