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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 03:01:46 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 03:01:46 +0000
commitf8fe689a81f906d1b91bb3220acde2a4ecb14c5b (patch)
tree26484e9d7e2c67806c2d1760196ff01aaa858e8c /src/VBox/Runtime/include/internal/mem.h
parentInitial commit. (diff)
downloadvirtualbox-f8fe689a81f906d1b91bb3220acde2a4ecb14c5b.tar.xz
virtualbox-f8fe689a81f906d1b91bb3220acde2a4ecb14c5b.zip
Adding upstream version 6.0.4-dfsg.upstream/6.0.4-dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/VBox/Runtime/include/internal/mem.h')
-rw-r--r--src/VBox/Runtime/include/internal/mem.h77
1 files changed, 77 insertions, 0 deletions
diff --git a/src/VBox/Runtime/include/internal/mem.h b/src/VBox/Runtime/include/internal/mem.h
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+/* $Id: mem.h $ */
+/** @file
+ * IPRT - Memory Management.
+ */
+
+/*
+ * Copyright (C) 2010-2019 Oracle Corporation
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software
+ * Foundation, in version 2 as it comes in the "COPYING" file of the
+ * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+ * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
+ * VirtualBox OSE distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ */
+
+#ifndef IPRT_INCLUDED_INTERNAL_mem_h
+#define IPRT_INCLUDED_INTERNAL_mem_h
+#ifndef RT_WITHOUT_PRAGMA_ONCE
+# pragma once
+#endif
+
+#include <iprt/cdefs.h>
+
+RT_C_DECLS_BEGIN
+
+/**
+ * Special allocation method that does not have any IPRT dependencies.
+ *
+ * This is suitable for allocating memory for IPRT heaps, pools, caches, memory
+ * trackers, semaphores and similar that end up in bootstrap depencency hell
+ * otherwise.
+ *
+ * @returns Pointer to the allocated memory, NULL on failure. Must be freed by
+ * calling rtMemBaseFree().
+ * @param cb The number of bytes to allocate.
+ */
+DECLHIDDEN(void *) rtMemBaseAlloc(size_t cb);
+
+/**
+ * Frees memory allocated by rtInitAlloc().
+ *
+ * @param pv What rtInitAlloc() returned.
+ */
+DECLHIDDEN(void) rtMemBaseFree(void *pv);
+
+
+#ifdef IN_RING0
+/** @def RTR0MEM_WITH_EF_APIS
+ * Enables the electrict fence APIs.
+ *
+ * Requires working rtR0MemObjNativeProtect implementation, thus the current
+ * OS restrictions.
+ */
+# if defined(RT_OS_DARWIN) || defined(RT_OS_FREEBSD) || defined(DOXYGEN_RUNNING)
+# define RTR0MEM_WITH_EF_APIS
+# endif
+# ifdef RTR0MEM_WITH_EF_APIS
+DECLHIDDEN(void) rtR0MemEfInit(void);
+DECLHIDDEN(void) rtR0MemEfTerm(void);
+# endif
+#endif
+
+RT_C_DECLS_END
+
+#endif /* !IPRT_INCLUDED_INTERNAL_mem_h */
+