osfmk/kern/kern_types.h

   1 /*
   2  * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28 /*
  29  * @OSF_COPYRIGHT@
  30  */
  31
  32 #ifndef _KERN_KERN_TYPES_H_
  33 #define _KERN_KERN_TYPES_H_
  34
  35 #include <stdint.h>
  36 #include <mach/mach_types.h>
  37 #include <mach/machine/vm_types.h>
  38
  39 #ifdef  KERNEL_PRIVATE
  40
  41 #ifndef MACH_KERNEL_PRIVATE
  42
  43 struct zone ;
  44
  45 struct wait_queue { unsigned int opaque[2]; uintptr_t opaquep[2]; } ;
  46
  47 #endif  /* MACH_KERNEL_PRIVATE */
  48
  49 typedef struct zone                     *zone_t;
  50 #define         ZONE_NULL                       ((zone_t) 0)
  51
  52 typedef struct wait_queue               *wait_queue_t;
  53 #define         WAIT_QUEUE_NULL         ((wait_queue_t) 0)
  54 #define                 SIZEOF_WAITQUEUE        sizeof(struct wait_queue)
  55
  56 typedef vm_offset_t                     ipc_kobject_t;
  57 #define         IKO_NULL                        ((ipc_kobject_t) 0)
  58
  59 #endif  /* KERNEL_PRIVATE */
  60
  61 typedef void *event_t;          /* wait event */
  62 #define         NO_EVENT                        ((event_t) 0)
  63
  64 typedef uint64_t event64_t;             /* 64 bit wait event */
  65 #define         NO_EVENT64              ((event64_t) 0)
  66
  67 /*
  68  *      Possible wait_result_t values.
  69  */
  70 typedef int wait_result_t;
  71 #define THREAD_WAITING          -1              /* thread is waiting */
  72 #define THREAD_AWAKENED         0               /* normal wakeup */
  73 #define THREAD_TIMED_OUT        1               /* timeout expired */
  74 #define THREAD_INTERRUPTED      2               /* aborted/interrupted */
  75 #define THREAD_RESTART          3               /* restart operation entirely */
  76
  77
  78 typedef void (*thread_continue_t)(void *, wait_result_t);
  79 #define THREAD_CONTINUE_NULL    ((thread_continue_t) 0)
  80
  81 /*
  82  * Interruptible flag for waits.
  83  */
  84 typedef int wait_interrupt_t;
  85 #define THREAD_UNINT                    0               /* not interruptible      */
  86 #define THREAD_INTERRUPTIBLE    1               /* may not be restartable */
  87 #define THREAD_ABORTSAFE                2               /* abortable safely       */
  88
  89 #ifdef  KERNEL_PRIVATE
  90
  91 #ifdef  MACH_KERNEL_PRIVATE
  92
  93 #include <kern/misc_protos.h>
  94 typedef  struct clock                   *clock_t;
  95
  96 typedef struct mig_object               *mig_object_t;
  97 #define MIG_OBJECT_NULL                 ((mig_object_t) 0)
  98
  99 typedef struct mig_notify               *mig_notify_t;
 100 #define MIG_NOTIFY_NULL                 ((mig_notify_t) 0)
 101
 102 typedef boolean_t                               (*thread_roust_t)(thread_t, wait_result_t);
 103 #define THREAD_ROUST_NULL               ((thread_roust_t) 0)
 104
 105 #else   /* MACH_KERNEL_PRIVATE */
 106
 107 struct wait_queue_set ;
 108 struct wait_queue_link ;
 109
 110 #endif  /* MACH_KERNEL_PRIVATE */
 111
 112 typedef struct wait_queue_set   *wait_queue_set_t;
 113 #define WAIT_QUEUE_SET_NULL     ((wait_queue_set_t)0)
 114 #define SIZEOF_WAITQUEUE_SET    wait_queue_set_size()
 115
 116 typedef struct wait_queue_link  *wait_queue_link_t;
 117 #define WAIT_QUEUE_LINK_NULL    ((wait_queue_link_t)0)
 118 #define SIZEOF_WAITQUEUE_LINK   wait_queue_link_size()
 119
 120 /* legacy definitions - going away */
 121 struct wait_queue_sub ;
 122 typedef struct wait_queue_sub   *wait_queue_sub_t;
 123 #define WAIT_QUEUE_SUB_NULL     ((wait_queue_sub_t)0)
 124 #define SIZEOF_WAITQUEUE_SUB    wait_queue_set_size()
 125
 126 #endif  /* KERNEL_PRIVATE */
 127
 128 #endif  /* _KERN_KERN_TYPES_H_ */