diff options
| author | Eric Fiselier <eric@efcs.ca> | 2017-05-31 22:07:49 +0000 |
|---|---|---|
| committer | Eric Fiselier <eric@efcs.ca> | 2017-05-31 22:07:49 +0000 |
| commit | 018a3d51a47f7275c59e802709104498b729522b (patch) | |
| tree | 0b1dd3dc5ebbdfa46c3eedcb185115521941e154 /include/shared_mutex | |
| parent | 256425754dd739443c3f2913f482655c1425e1a3 (diff) | |
[Libc++] Use #pragma push_macro/pop_macro to better handle min/max on Windows
Summary:
This patch improves how libc++ handles min/max macros within the headers. Previously libc++ would undef them and emit a warning.
This patch changes libc++ to use `#pragma push_macro` to save the macro before undefining it, and `#pragma pop_macro` to restore the macros and the end of the header.
Reviewers: mclow.lists, bcraig, compnerd, EricWF
Reviewed By: EricWF
Subscribers: cfe-commits, krytarowski
Differential Revision: https://reviews.llvm.org/D33080
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@304357 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/shared_mutex')
| -rw-r--r-- | include/shared_mutex | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/include/shared_mutex b/include/shared_mutex index ff36ee6ac..9cb81528c 100644 --- a/include/shared_mutex +++ b/include/shared_mutex @@ -125,12 +125,14 @@ template <class Mutex> #include <__config> +_LIBCPP_PUSH_MACROS +#include <__undef_macros> + + #if _LIBCPP_STD_VER > 11 || defined(_LIBCPP_BUILDING_SHARED_MUTEX) #include <__mutex_base> -#include <__undef_min_max> - #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) #pragma GCC system_header #endif @@ -500,4 +502,6 @@ _LIBCPP_END_NAMESPACE_STD #endif // _LIBCPP_STD_VER > 11 +_LIBCPP_POP_MACROS + #endif // _LIBCPP_SHARED_MUTEX |