boost/unordered
2
0
Fork 0
mirror of https://github.com/boostorg/unordered.git synced 2026-01-19 04:42:15 +00:00
Code Issues Projects Releases Wiki Activity

Check __cpp_aligned_new in test/helpers/pmr.hpp before using std::align_val_t

Browse Source
This commit is contained in:
Peter Dimov
2026-01-01 18:19:10 +02:00
parent c70208609e
commit 665371e6da
1 changed files with 31 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

33
test/helpers/pmr.hpp
View File

@@ -11,6 +11,7 @@
#ifndef BOOST_NO_CXX17_HDR_MEMORY_RESOURCE
#include <memory_resource>
#include <new>
namespace test {
class counted_new_delete_resource : public std::pmr::memory_resource
@@ -25,17 +26,45 @@ namespace test {
void* do_allocate(std::size_t bytes, std::size_t alignment) override
{
_count += bytes;
#if defined(__cpp_aligned_new) && __cpp_aligned_new >= 201606L
return ::operator new(bytes, std::align_val_t(alignment));
#else
return ::operator new(bytes);
(void)alignment;
#endif
}
void do_deallocate(
void* p, std::size_t bytes, std::size_t alignment) override
{
_count -= bytes;
#if __cpp_sized_deallocation
#if defined(__cpp_aligned_new) && __cpp_aligned_new >= 201606L
# if defined(__cpp_sized_deallocation) && __cpp_sized_deallocation >= 201309L
::operator delete(p, bytes, std::align_val_t(alignment));
#else
# else
::operator delete(p, std::align_val_t(alignment));
# endif
#else
# if defined(__cpp_sized_deallocation) && __cpp_sized_deallocation >= 201309L
::operator delete(p, bytes);
# else
::operator delete(p);
(void)alignment;
# endif
#endif
}