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ams: prefer construct_at/destroy_at over placement new/explicit destructor

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This commit is contained in:
Michael Scire
2021-03-21 20:30:40 -07:00
parent aff0da9427
commit d84dcb653d
49 changed files with 217 additions and 171 deletions
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12
libraries/libstratosphere/source/mem/impl/heap/mem_impl_heap_central_heap.cpp
View File

@@ -42,9 +42,9 @@ namespace ams::mem::impl::heap {
this->start = aligned_start;
this->end = aligned_end;
this->option = option;
this->tls_heap_central = new (this->start) TlsHeapCentral;
this->tls_heap_central = std::construct_at(reinterpret_cast<TlsHeapCentral *>(this->start));
if (auto err = this->tls_heap_central->Initialize(this->start, this->end - this->start, false); err != 0) {
this->tls_heap_central->~TlsHeapCentral();
std::destroy_at(this->tls_heap_central);
this->tls_heap_central = nullptr;
AMS_ASSERT(err == 0);
return err;
@@ -70,9 +70,9 @@ namespace ams::mem::impl::heap {
if (auto err = AllocatePhysicalMemory(central, sizeof(TlsHeapCentral)); err != 0) {
return err;
}
this->tls_heap_central = new (central) TlsHeapCentral;
this->tls_heap_central = std::construct_at(static_cast<TlsHeapCentral *>(central));
if (auto err = this->tls_heap_central->Initialize(central, size, true); err != 0) {
this->tls_heap_central->~TlsHeapCentral();
std::destroy_at(this->tls_heap_central);
this->tls_heap_central = nullptr;
AMS_ASSERT(err == 0);
return err;
@@ -85,7 +85,7 @@ namespace ams::mem::impl::heap {
void CentralHeap::Finalize() {
if (this->tls_heap_central) {
this->tls_heap_central->~TlsHeapCentral();
std::destroy_at(this->tls_heap_central);
}
if (this->use_virtual_memory) {
mem::impl::physical_free(util::AlignUp(static_cast<void *>(this->start), PageSize), this->end - this->start);
@@ -249,7 +249,7 @@ namespace ams::mem::impl::heap {
return false;
}
new (tls_heap_cache) TlsHeapCache(this->tls_heap_central, this->option);
std::construct_at(static_cast<TlsHeapCache *>(tls_heap_cache), this->tls_heap_central, this->option);
if (this->tls_heap_central->AddThreadCache(reinterpret_cast<TlsHeapCache *>(tls_heap_cache)) != 0) {
this->tls_heap_central->UncacheSmallMemory(tls_heap_cache);
return false;

2
libraries/libstratosphere/source/mem/mem_standard_allocator.cpp
View File

@@ -68,7 +68,7 @@ namespace ams::mem {
StandardAllocator::StandardAllocator() : initialized(false), enable_thread_cache(false), unused(0) {
static_assert(sizeof(impl::heap::CentralHeap) <= sizeof(this->central_heap_storage));
new (std::addressof(this->central_heap_storage)) impl::heap::CentralHeap;
std::construct_at(GetCentral(this->central_heap_storage));
}
StandardAllocator::StandardAllocator(void *mem, size_t size) : StandardAllocator() {