2008-04-10 Benjamin Kosnik <bkoz@redhat.com>

	* include/c_global/cstdatomic: C++ types only, format, doxygen markup.
	* include/c_compatibility/stdatomic.h: "C" only, format, doxygen markup.
	* src/atomic.c: Format, doxygen markup, edits.

	* include/Makefile.am (cstdatomic, stdatomic.h): Add.
	* src/Makefile.am (atomic.c): Add.
	* acinclude.m4 (GLIBCXX_CHECK_STANDARD_LAYOUT): New.
	* configure.ac: Call it.	
	* include/Makefile.in: Regenerate.
	* src/Makefile.in: Same.
	* Makefile.in: Same.
	* doc/Makefile.in: Same.
	* po/Makefile.in: Same.
	* libmath/Makefile.in: Same.
	* include/Makefile.in: Same.
	* testsuite/Makefile.in: Same.
	* libsupc++/Makefile.in: Same.
	* config.h.in: Same.
	* configure: Same.
	
	* config/abi/pre/gnu.ver: Add atomics exports.

	* include/ext/typelist.h (apply_generator): New.
	* include/bits/c++config (_GLIBCXX_BEGIN_EXTERN_C): New.
	(_GLIBCXX_END_EXTERN_C): New.
	Deal with _GLIBCXX_BEGIN_NAMESPACE, _GLIBCXX_END_NAMESPACE when
	compiling as C.	
	* testsuite/lib/libstdc++.exp (v3_target_compile_as_c): Add -L
	flag for libstdc++.
	* testsuite/util/testsuite_common_types.h (integral_types): New
	typelist.
	(atomics, atomics_tl): Same.
	(assignable, default_constructible, copy_constructible,
	explicit_value_constructible): New.	
	* testsuite/17_intro/headers/c++200x/all.cc: Test new headers.
	* testsuite/29_atomics: New.
	* testsuite/29_atomics/atomic_address: Same.
	* testsuite/29_atomics/atomic_address/cons: Same.
	* testsuite/29_atomics/atomic_address/cons/explicit_value.cc: Same.
	* testsuite/29_atomics/atomic_address/cons/assign_neg.cc: Same.
	* testsuite/29_atomics/atomic_address/cons/copy_neg.cc: Same.
	* testsuite/29_atomics/atomic_address/cons/default.cc: Same.
	* testsuite/29_atomics/atomic_address/cons/aggregate.cc: Same.
	* testsuite/29_atomics/atomic_flag: Same.
	* testsuite/29_atomics/atomic_flag/cons: Same.
	* testsuite/29_atomics/atomic_flag/cons/assign_neg.cc: Same.
	* testsuite/29_atomics/atomic_flag/cons/copy_neg.cc: Same.
	* testsuite/29_atomics/atomic_flag/cons/default.cc: Same.
	* testsuite/29_atomics/atomic_flag/cons/aggregate.cc: Same.
	* testsuite/29_atomics/atomic_flag/requirements: Same.
	* testsuite/29_atomics/atomic_flag/requirements/standard_layout.cc: 
	Same.
	* testsuite/29_atomics/atomic_flag/
	atomic_global_fence_compatibility.cc: Same.
	* testsuite/29_atomics/atomic_flag/test_and_set: Same.
	* testsuite/29_atomics/atomic_flag/test_and_set/explicit.c: Same.
	* testsuite/29_atomics/atomic_flag/test_and_set/explicit.cc: Same.
	* testsuite/29_atomics/atomic_flag/test_and_set/implicit.c: Same.
	* testsuite/29_atomics/atomic_flag/test_and_set/implicit.cc: Same.
	* testsuite/29_atomics/headers: Same.
	* testsuite/29_atomics/headers/cstdatomic: Same.
	* testsuite/29_atomics/headers/cstdatomic/types_std_c++0x.cc: Same.
	* testsuite/29_atomics/headers/cstdatomic/functions_std_c++0x.cc: Same.
	* testsuite/29_atomics/headers/cstdatomic/std_c++0x_neg.cc: Same.
	* testsuite/29_atomics/headers/cstdatomic/macros.cc: Same.
	* testsuite/29_atomics/headers/stdatomic.h: Same.
	* testsuite/29_atomics/headers/stdatomic.h/macros.c: Same.
	* testsuite/29_atomics/headers/stdatomic.h/types.c: Same.
	* testsuite/29_atomics/headers/stdatomic.h/functions.c: Same.
	* testsuite/29_atomics/atomic: Same.
	* testsuite/29_atomics/atomic/cons: Same.
	* testsuite/29_atomics/atomic/cons/explicit_value.cc: Same.
	* testsuite/29_atomics/atomic/cons/assign_neg.cc: Same.
	* testsuite/29_atomics/atomic/cons/copy_neg.cc: Same.
	* testsuite/29_atomics/atomic/cons/default.cc: Same.
	* testsuite/29_atomics/atomic/requirements: Same.
	* testsuite/29_atomics/atomic/requirements/explicit_instantiation: Same.
	* testsuite/29_atomics/atomic/requirements/explicit_instantiation/
	1.cc: Same.
	
2008-04-10  Lawrence Crowl  <crowl@google.com>

	* include/c_global/cstdatomic: New.
	* include/c_compatibility/stdatomic.h: New.
	* src/atomic.c: New.





git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@134174 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 15 insertions, 1 deletions

diff --git a/libstdc++-v3/include/bits/c++config b/libstdc++-v3/include/bits/c++config
index d42cb9feb47..e38cfe05184 100644
--- a/libstdc++-v3/include/bits/c++config
+++ b/libstdc++-v3/include/bits/c++config
@@ -1,7 +1,7 @@
 // Predefined symbols and macros -*- C++ -*-
 
 // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
-// 2006, 2007 Free Software Foundation, Inc.
+// 2006, 2007, 2008 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
@@ -216,6 +216,20 @@ namespace std
 }
 #endif
 
+// Defines for C compatibility. In particular, define extern "C"
+// linkage only when using  C++, same with namespaces.
+#if __cplusplus
+# define _GLIBCXX_BEGIN_EXTERN_C extern "C" {
+# define _GLIBCXX_END_EXTERN_C }
+#else
+# define _GLIBCXX_BEGIN_EXTERN_C
+# define _GLIBCXX_END_EXTERN_C
+# undef _GLIBCXX_BEGIN_NAMESPACE
+# undef _GLIBCXX_END_NAMESPACE
+# define _GLIBCXX_BEGIN_NAMESPACE(X) 
+# define _GLIBCXX_END_NAMESPACE 
+#endif
+
 // Define if compatibility should be provided for -mlong-double-64.
 #undef _GLIBCXX_LONG_DOUBLE_COMPAT