osfmk/kern/kern_types.h

   1 /*
   2  * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_OSREFERENCE_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
  10  * License may not be used to create, or enable the creation or
  11  * redistribution of, unlawful or unlicensed copies of an Apple operating
  12  * system, or to circumvent, violate, or enable the circumvention or
  13  * violation of, any terms of an Apple operating system software license
  14  * agreement.
  15  *
  16  * Please obtain a copy of the License at
  17  * http://www.opensource.apple.com/apsl/ and read it before using this
  18  * file.
  19  *
  20  * The Original Code and all software distributed under the License are
  21  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  22  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  23  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  24  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  25  * Please see the License for the specific language governing rights and
  26  * limitations under the License.
  27  *
  28  * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
  29  */
  30 /*
  31  * @OSF_COPYRIGHT@
  32  */
  33
  34 #ifndef _KERN_KERN_TYPES_H_
  35 #define _KERN_KERN_TYPES_H_
  36
  37 #include <stdint.h>
  38 #include <mach/mach_types.h>
  39 #include <mach/machine/vm_types.h>
  40
  41 #ifdef  KERNEL_PRIVATE
  42
  43 #ifndef MACH_KERNEL_PRIVATE
  44
  45 struct zone ;
  46
  47 struct wait_queue { unsigned int opaque[2]; uintptr_t opaquep[2]; } ;
  48
  49 #endif  /* MACH_KERNEL_PRIVATE */
  50
  51 typedef struct zone                     *zone_t;
  52 #define         ZONE_NULL                       ((zone_t) 0)
  53
  54 typedef struct wait_queue               *wait_queue_t;
  55 #define         WAIT_QUEUE_NULL         ((wait_queue_t) 0)
  56 #define                 SIZEOF_WAITQUEUE        sizeof(struct wait_queue)
  57
  58 typedef vm_offset_t                     ipc_kobject_t;
  59 #define         IKO_NULL                        ((ipc_kobject_t) 0)
  60
  61 #endif  /* KERNEL_PRIVATE */
  62
  63 typedef void *event_t;          /* wait event */
  64 #define         NO_EVENT                        ((event_t) 0)
  65
  66 typedef uint64_t event64_t;             /* 64 bit wait event */
  67 #define         NO_EVENT64              ((event64_t) 0)
  68
  69 /*
  70  *      Possible wait_result_t values.
  71  */
  72 typedef int wait_result_t;
  73 #define THREAD_WAITING          -1              /* thread is waiting */
  74 #define THREAD_AWAKENED         0               /* normal wakeup */
  75 #define THREAD_TIMED_OUT        1               /* timeout expired */
  76 #define THREAD_INTERRUPTED      2               /* aborted/interrupted */
  77 #define THREAD_RESTART          3               /* restart operation entirely */
  78
  79
  80 typedef void (*thread_continue_t)(void *, wait_result_t);
  81 #define THREAD_CONTINUE_NULL    ((thread_continue_t) 0)
  82
  83 /*
  84  * Interruptible flag for waits.
  85  */
  86 typedef int wait_interrupt_t;
  87 #define THREAD_UNINT                    0               /* not interruptible      */
  88 #define THREAD_INTERRUPTIBLE    1               /* may not be restartable */
  89 #define THREAD_ABORTSAFE                2               /* abortable safely       */
  90
  91 #ifdef  KERNEL_PRIVATE
  92
  93 #ifdef  MACH_KERNEL_PRIVATE
  94
  95 #include <kern/misc_protos.h>
  96 typedef  struct clock                   *clock_t;
  97
  98 typedef struct mig_object               *mig_object_t;
  99 #define MIG_OBJECT_NULL                 ((mig_object_t) 0)
 100
 101 typedef struct mig_notify               *mig_notify_t;
 102 #define MIG_NOTIFY_NULL                 ((mig_notify_t) 0)
 103
 104 typedef boolean_t                               (*thread_roust_t)(thread_t, wait_result_t);
 105 #define THREAD_ROUST_NULL               ((thread_roust_t) 0)
 106
 107 #else   /* MACH_KERNEL_PRIVATE */
 108
 109 struct wait_queue_set ;
 110 struct wait_queue_link ;
 111
 112 #endif  /* MACH_KERNEL_PRIVATE */
 113
 114 typedef struct wait_queue_set   *wait_queue_set_t;
 115 #define WAIT_QUEUE_SET_NULL     ((wait_queue_set_t)0)
 116 #define SIZEOF_WAITQUEUE_SET    wait_queue_set_size()
 117
 118 typedef struct wait_queue_link  *wait_queue_link_t;
 119 #define WAIT_QUEUE_LINK_NULL    ((wait_queue_link_t)0)
 120 #define SIZEOF_WAITQUEUE_LINK   wait_queue_link_size()
 121
 122 /* legacy definitions - going away */
 123 struct wait_queue_sub ;
 124 typedef struct wait_queue_sub   *wait_queue_sub_t;
 125 #define WAIT_QUEUE_SUB_NULL     ((wait_queue_sub_t)0)
 126 #define SIZEOF_WAITQUEUE_SUB    wait_queue_set_size()
 127
 128 #endif  /* KERNEL_PRIVATE */
 129
 130 #endif  /* _KERN_KERN_TYPES_H_ */