blob: 4e4b824802473d39e999ed0483034f50074cec78 [file] [log] [blame]
/*
* Copyright (C) 2017 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "bmalloc.h"
#include "PerProcess.h"
namespace bmalloc { namespace api {
void* mallocOutOfLine(size_t size, HeapKind kind)
{
return malloc(size, kind);
}
void freeOutOfLine(void* object, HeapKind kind)
{
free(object, kind);
}
void* tryLargeZeroedMemalignVirtual(size_t alignment, size_t size, HeapKind kind)
{
BASSERT(isPowerOfTwo(alignment));
size_t pageSize = vmPageSize();
alignment = roundUpToMultipleOf(pageSize, alignment);
size = roundUpToMultipleOf(pageSize, size);
kind = mapToActiveHeapKind(kind);
Heap& heap = PerProcess<PerHeapKind<Heap>>::get()->at(kind);
void* result;
{
std::lock_guard<StaticMutex> lock(Heap::mutex());
result = heap.tryAllocateLarge(lock, alignment, size);
}
if (result)
vmZeroAndPurge(result, size);
return result;
}
void freeLargeVirtual(void* object, HeapKind kind)
{
kind = mapToActiveHeapKind(kind);
Heap& heap = PerProcess<PerHeapKind<Heap>>::get()->at(kind);
std::lock_guard<StaticMutex> lock(Heap::mutex());
heap.deallocateLarge(lock, object);
}
void scavenge()
{
scavengeThisThread();
PerProcess<Scavenger>::get()->scavenge();
}
bool isEnabled(HeapKind kind)
{
kind = mapToActiveHeapKind(kind);
std::unique_lock<StaticMutex> lock(Heap::mutex());
return !PerProcess<PerHeapKind<Heap>>::getFastCase()->at(kind).debugHeap();
}
#if BOS(DARWIN)
void setScavengerThreadQOSClass(qos_class_t overrideClass)
{
std::unique_lock<StaticMutex> lock(Heap::mutex());
PerProcess<Scavenger>::get()->setScavengerThreadQOSClass(overrideClass);
}
#endif
} } // namespace bmalloc::api