Jordan Delong
363d1bb20f
This change is mostly for FB internal organizational reasons. Building is not effected beyond the fact that the target now lands in hphp/hhvm/hhvm rather than src/hhvm/hhvm.
56 linhas
2.0 KiB
C++
56 linhas
2.0 KiB
C++
/*
|
|
+----------------------------------------------------------------------+
|
|
| HipHop for PHP |
|
|
+----------------------------------------------------------------------+
|
|
| Copyright (c) 2010- 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 "shared_memory_allocator.h"
|
|
#include "exception.h"
|
|
|
|
namespace HPHP {
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
const char *SharedMemoryManager::Name = "HPHPSharedMemory";
|
|
boost::interprocess::managed_shared_memory *
|
|
SharedMemoryManager::Segment = NULL;
|
|
|
|
// just to make valgrind cleaner
|
|
class SharedMemoryManagerUninitializer {
|
|
public:
|
|
~SharedMemoryManagerUninitializer() {
|
|
SharedMemoryManager::Reset();
|
|
}
|
|
};
|
|
static SharedMemoryManagerUninitializer s_smm_uninitializer;
|
|
|
|
void SharedMemoryManager::Init(int size, bool clean) {
|
|
try {
|
|
if (Segment == NULL) {
|
|
if (clean) {
|
|
boost::interprocess::shared_memory_object::remove(Name);
|
|
}
|
|
Segment = new boost::interprocess::managed_shared_memory
|
|
(boost::interprocess::open_or_create, Name, size);
|
|
}
|
|
} catch (std::exception &e) {
|
|
throw Exception(e.what()); // so we have stacktrace
|
|
}
|
|
}
|
|
|
|
void SharedMemoryManager::Reset() {
|
|
delete Segment;
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
}
|