FreeBSD/Linux Kernel Cross Reference
sys/security/mac_alloc.h

     /*
      * 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 */
    #define Z_CALLERACCT    5       /* Account alloc/free against the caller */
    
    #endif  /* __APPLE_API_EVOLVING */
    #endif  /* _SECURITY_MAC_ALLOC_H_ */

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