diff options
| author | Jonathan Roelofs <jonathan@codesourcery.com> | 2014-09-05 19:45:05 +0000 |
|---|---|---|
| committer | Jonathan Roelofs <jonathan@codesourcery.com> | 2014-09-05 19:45:05 +0000 |
| commit | b3fcc67f8f13cd95d36ed29d0ae1308decb9e099 (patch) | |
| tree | 0c01716be284ed8200fde073b145887bea7b4508 /libcxx/include/shared_mutex | |
| parent | d3e121331bafa274b654bf2e1691cde628b7ff55 (diff) | |
| download | bcm5719-llvm-b3fcc67f8f13cd95d36ed29d0ae1308decb9e099.tar.gz bcm5719-llvm-b3fcc67f8f13cd95d36ed29d0ae1308decb9e099.zip | |
Allow libc++ to be built on systems without POSIX threads
If you're crazy enough to want this sort of thing, then add
-D_LIBCPP_HAS_NO_THREADS to your CXXFLAGS and
--param=additiona_features=libcpp-has-no-threads to your lit commnad line.
http://reviews.llvm.org/D3969
llvm-svn: 217271
Diffstat (limited to 'libcxx/include/shared_mutex')
| -rw-r--r-- | libcxx/include/shared_mutex | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/libcxx/include/shared_mutex b/libcxx/include/shared_mutex index 00f816dc4a0..9b7f0bf7735 100644 --- a/libcxx/include/shared_mutex +++ b/libcxx/include/shared_mutex @@ -112,6 +112,10 @@ template <class Mutex> #pragma GCC system_header #endif +#ifdef _LIBCPP_HAS_NO_THREADS +#error <shared_mutex> is not supported on this single threaded system +#else // !_LIBCPP_HAS_NO_THREADS + _LIBCPP_BEGIN_NAMESPACE_STD class _LIBCPP_TYPE_VIS shared_timed_mutex @@ -414,6 +418,8 @@ swap(shared_lock<_Mutex>& __x, shared_lock<_Mutex>& __y) _NOEXCEPT _LIBCPP_END_NAMESPACE_STD +#endif // !_LIBCPP_HAS_NO_THREADS + #endif // _LIBCPP_STD_VER > 11 #endif // _LIBCPP_SHARED_MUTEX |
