import KernelEx-4.0-RC1

core/sharedmem.cpp

@@ -0,0 +1,87 @@
+/*
+ *  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)
+{
+	return HeapAlloc(shared_heap, 0, size);
+}
+
+void* calloc(size_t count, size_t size)
+{
+	return HeapAlloc(shared_heap, HEAP_ZERO_MEMORY, count * size);
+}
+
+void free(void* ptr)
+{
+	DBGASSERT(ptr == NULL || (DWORD)ptr >= 0x80000000);
+	if (ptr)
+		HeapFree(shared_heap, 0, ptr);
+}
+
+void* realloc(void* ptr, size_t size)
+{
+	DBGASSERT(ptr == NULL || (DWORD)ptr >= 0x80000000);
+	if (ptr)
+		return HeapReAlloc(shared_heap, 0, ptr, size);
+	else 
+		return HeapAlloc(shared_heap, 0, size);
+}
+
+void* recalloc(void* ptr, size_t size)
+{
+	DBGASSERT(ptr == NULL || (DWORD)ptr >= 0x80000000);
+	if (ptr)
+		return HeapReAlloc(shared_heap, HEAP_ZERO_MEMORY, ptr, size);
+	else
+		return HeapAlloc(shared_heap, HEAP_ZERO_MEMORY, size);
+}
+
+void* operator new(size_t size)
+{
+	void* mem = malloc(size);
+	DBGASSERT(mem);
+	return mem;
+}
+
+void operator delete(void* ptr)
+{
+	DBGASSERT((DWORD)ptr >= 0x80000000);
+	free(ptr);
+}