osfmk/kern/kern_types.h

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