xnu-1228.tar.gz

[apple/xnu.git] / security / mac_alloc.h

diff --git a/security/mac_alloc.h b/security/mac_alloc.h
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+/*
+ * Copyright (c) 2007 Apple Inc. All rights reserved.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
+ * 
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ * 
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ * 
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
+ */
+/*
+ * Memory allocation wrappers.
+ */
+
+#ifndef _SECURITY_MAC_ALLOC_H_
+#define        _SECURITY_MAC_ALLOC_H_
+
+#include <mach/machine/vm_types.h>
+#include <kern/kern_types.h>
+#include <sys/appleapiopts.h>
+
+/* JMM - should use OSMlloc.h interfaces */
+
+#ifdef __APPLE_API_EVOLVING
+/*
+ * Kernel Memory allocator
+ */
+void * mac_kalloc      (vm_size_t size, int how);
+void   mac_kfree       (void *data, vm_size_t size);
+
+/*
+ * Mbuf allocator for mbuf labels.
+ */
+void * mac_mbuf_alloc  (int len, int wait);
+void   mac_mbuf_free   (void *data);
+
+/*
+ * 
+ */
+int    mac_wire        (void *start, void *end);
+int    mac_unwire      (void *start, void *end);
+
+/*
+ * Zone allocator
+ */
+zone_t mac_zinit       (vm_size_t size, vm_size_t maxmem,
+                        vm_size_t alloc, const char *name);
+void   mac_zone_change (zone_t zone, unsigned int item, boolean_t value);
+void * mac_zalloc      (zone_t zone, int how);
+void   mac_zfree       (zone_t zone, void *elem);
+
+/* Item definitions */
+#define Z_EXHAUST       1       /* Make zone exhaustible        */
+#define Z_COLLECT       2       /* Make zone collectable        */
+#define Z_EXPAND        3       /* Make zone expandable         */
+#define Z_FOREIGN       4       /* Allow collectable zone to contain foreign elements */
+
+#endif  /* __APPLE_API_EVOLVING */
+#endif /* _SECURITY_MAC_ALLOC_H_ */