Arquivos
hhvm/hphp/runtime/base/memory/smart_allocator.cpp
T
Edwin Smith c4e406b62f Move runtime/base/server to runtime/server
This is an incremental step towards moving it all the way
to hphp/server.  This flattens base but doesn't untangle
the server files from lib_hphp_runtime
2013-07-15 18:13:25 -07:00

86 linhas
3.0 KiB
C++

/*
+----------------------------------------------------------------------+
| HipHop for PHP |
+----------------------------------------------------------------------+
| Copyright (c) 2010-2013 Facebook, Inc. (http://www.facebook.com) |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
*/
#include "hphp/runtime/base/memory/smart_allocator.h"
#include "hphp/runtime/base/memory/memory_manager.h"
#include "hphp/runtime/base/resource_data.h"
#include "hphp/runtime/server/server_stats.h"
#include "hphp/runtime/base/runtime_option.h"
#include "hphp/util/logger.h"
#include "hphp/util/trace.h"
/*
* Enabling these will prevent us from allocating out of the free list
* and cause deallocated objects to be filled with garbage. This is
* intended for detecting data that is freed too eagerly.
*/
#if defined(SMART_ALLOCATOR_DEBUG_FREE) && !defined(DETECT_DOUBLE_FREE)
# define DETECT_DOUBLE_FREE
#endif
namespace HPHP {
TRACE_SET_MOD(smartalloc);
///////////////////////////////////////////////////////////////////////////////
// initializer
std::set<AllocatorThreadLocalInit>& GetAllocatorInitList() {
static std::set<AllocatorThreadLocalInit> allocatorInitList;
return allocatorInitList;
}
void InitAllocatorThreadLocal() {
for (std::set<AllocatorThreadLocalInit>::iterator it =
GetAllocatorInitList().begin();
it != GetAllocatorInitList().end(); it++) {
(*it)();
}
}
///////////////////////////////////////////////////////////////////////////////
// constructor and destructor
SmartAllocatorImpl::SmartAllocatorImpl(const std::type_info* typeId,
uint itemSize)
: m_itemSize(itemSizeRoundup(itemSize)) , m_typeId(typeId) {
assert(itemSize > 0);
MemoryManager::TheMemoryManager()->add(this);
}
///////////////////////////////////////////////////////////////////////////////
SmartAllocatorImpl::Iterator::Iterator(const SmartAllocatorImpl* sa) {
next();
}
void* SmartAllocatorImpl::Iterator::current() const {
return 0;
}
void SmartAllocatorImpl::Iterator::next() {
}
///////////////////////////////////////////////////////////////////////////////
// ObjectAllocator classes
ObjectAllocatorBase::ObjectAllocatorBase(int itemSize)
: SmartAllocatorImpl(&typeid(ObjectData), itemSize) {
}
///////////////////////////////////////////////////////////////////////////////
}