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Same custom over-aligned allocation routine on all platforms...

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... in particular so that warnings on exit in the debug build on Windows are
suppressed.

Maybe it's not important to suppress them.  Or maybe they suggest all is not
correct in the MSVC implementation of this C++17 feature?
This commit is contained in:
Paul Licameli 2021-07-01 12:25:54 -04:00 committed by Panagiotis Vasilopoulos
parent f58e132bb2
commit 7e2b7e68ad
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GPG Key ID: FD806FDB3B2C5270
2 changed files with 12 additions and 5 deletions
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4
libraries/lib-utility/MemoryX.cpp
View File

@ -14,8 +14,6 @@
UTILITY_API void lib_utility_dummy_symbol()
{}
#ifdef __APPLE__
constexpr auto sizeof_align_val = sizeof(std::align_val_t);
void *NonInterferingBase::operator new(std::size_t count, std::align_val_t al)
@ -54,5 +52,3 @@ void NonInterferingBase::operator delete(void *ptr, std::align_val_t al)
// Call through to default operator
::operator delete(p);
}
#endif

13
libraries/lib-utility/MemoryX.h
View File

@ -594,10 +594,21 @@ struct UTILITY_API alignas(
64 /* ? */
#endif
)
NonInterferingBase {
#ifdef __APPLE__
static void *operator new(std::size_t count, std::align_val_t al);
static void operator delete(void *ptr, std::align_val_t al);
#if defined (_MSC_VER) && defined(_DEBUG)
// Versions that work in the presence of the DEBUG_NEW macro.
// Ignore the arguments supplied by the macro and forward to the
// other overloads.
static void *operator new(
std::size_t count, std::align_val_t al, int, const char *, int)
{ return operator new(count, al); }
static void operator delete(
void *ptr, std::align_val_t al, int, const char *, int)
{ return operator delete(ptr, al); }
#endif
};