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Files
KernelEx/core/sharedmem.cpp
2018-11-03 16:21:13 +03:00

108 lines
2.3 KiB
C++
Executable File

/*
* KernelEx
* Copyright (C) 2008-2009, Xeno86
*
* This file is part of KernelEx source code.
*
* KernelEx is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published
* by the Free Software Foundation; version 2 of the License.
*
* KernelEx is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Make; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#include <windows.h>
#include "sharedmem.h"
#include "debug.h"
#define HEAP_SHARED 0x04000000
HANDLE shared_heap;
int create_shared_heap()
{
shared_heap = HeapCreate(HEAP_SHARED, 0, 0x100000);
return shared_heap ? 1 : 0;
}
void destroy_shared_heap()
{
HeapDestroy(shared_heap);
}
void* malloc(size_t size)
{
void* ptr = HeapAlloc(shared_heap, 0, size);
if (!ptr)
DBGPRINTF(("ERROR: malloc failed (%d B)\n", size));
return ptr;
}
void* calloc(size_t count, size_t size)
{
void* ptr = HeapAlloc(shared_heap, HEAP_ZERO_MEMORY, count * size);
if (!ptr)
DBGPRINTF(("ERROR: malloc failed (%d B)\n", size));
return ptr;
}
void free(void* ptr)
{
if (ptr)
HeapFree(shared_heap, 0, ptr);
else
DBGPRINTF(("ERROR: trying to free NULL\n"));
}
void* realloc(void* ptr, size_t size)
{
void* nptr;
if (ptr)
nptr = HeapReAlloc(shared_heap, 0, ptr, size);
else
nptr = HeapAlloc(shared_heap, 0, size);
if (!nptr)
DBGPRINTF(("ERROR: malloc failed (%d B)\n", size));
return nptr;
}
void* recalloc(void* ptr, size_t size)
{
void* nptr;
if (ptr)
nptr = HeapReAlloc(shared_heap, HEAP_ZERO_MEMORY, ptr, size);
else
nptr = HeapAlloc(shared_heap, HEAP_ZERO_MEMORY, size);
if (!nptr)
DBGPRINTF(("ERROR: malloc failed (%d B)\n", size));
return nptr;
}
void* operator new(size_t size)
{
return malloc(size);
}
void operator delete(void* ptr)
{
free(ptr);
}
void* operator new[](size_t size)
{
return malloc(size);
}
void operator delete[](void* ptr)
{
free(ptr);
}