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  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /*
  23  * @OSF_COPYRIGHT@
  24  */
  25
  26 #ifndef _KERN_KERN_TYPES_H_
  27 #define _KERN_KERN_TYPES_H_
  28
  29 #include <stdint.h>
  30 #include <mach/mach_types.h>
  31 #include <mach/machine/vm_types.h>
  32
  33 #ifdef  KERNEL_PRIVATE
  34
  35 #ifndef MACH_KERNEL_PRIVATE
  36
  37 struct zone ;
  38
  39 struct wait_queue { unsigned int opaque[2]; uintptr_t opaquep[2]; } ;
  40
  41 #endif  /* MACH_KERNEL_PRIVATE */
  42
  43 typedef struct zone                     *zone_t;
  44 #define         ZONE_NULL                       ((zone_t) 0)
  45
  46 typedef struct wait_queue               *wait_queue_t;
  47 #define         WAIT_QUEUE_NULL         ((wait_queue_t) 0)
  48 #define                 SIZEOF_WAITQUEUE        sizeof(struct wait_queue)
  49
  50 typedef vm_offset_t                     ipc_kobject_t;
  51 #define         IKO_NULL                        ((ipc_kobject_t) 0)
  52
  53 #endif  /* KERNEL_PRIVATE */
  54
  55 typedef void *event_t;          /* wait event */
  56 #define         NO_EVENT                        ((event_t) 0)
  57
  58 typedef uint64_t event64_t;             /* 64 bit wait event */
  59 #define         NO_EVENT64              ((event64_t) 0)
  60
  61 /*
  62  *      Possible wait_result_t values.
  63  */
  64 typedef int wait_result_t;
  65 #define THREAD_WAITING          -1              /* thread is waiting */
  66 #define THREAD_AWAKENED         0               /* normal wakeup */
  67 #define THREAD_TIMED_OUT        1               /* timeout expired */
  68 #define THREAD_INTERRUPTED      2               /* aborted/interrupted */
  69 #define THREAD_RESTART          3               /* restart operation entirely */
  70
  71
  72 typedef void (*thread_continue_t)(void *, wait_result_t);
  73 #define THREAD_CONTINUE_NULL    ((thread_continue_t) 0)
  74
  75 /*
  76  * Interruptible flag for waits.
  77  */
  78 typedef int wait_interrupt_t;
  79 #define THREAD_UNINT                    0               /* not interruptible      */
  80 #define THREAD_INTERRUPTIBLE    1               /* may not be restartable */
  81 #define THREAD_ABORTSAFE                2               /* abortable safely       */
  82
  83 #ifdef  KERNEL_PRIVATE
  84
  85 #ifdef  MACH_KERNEL_PRIVATE
  86
  87 #include <kern/misc_protos.h>
  88 typedef  struct clock                   *clock_t;
  89
  90 typedef struct mig_object               *mig_object_t;
  91 #define MIG_OBJECT_NULL                 ((mig_object_t) 0)
  92
  93 typedef struct mig_notify               *mig_notify_t;
  94 #define MIG_NOTIFY_NULL                 ((mig_notify_t) 0)
  95
  96 typedef boolean_t                               (*thread_roust_t)(thread_t, wait_result_t);
  97 #define THREAD_ROUST_NULL               ((thread_roust_t) 0)
  98
  99 #else   /* MACH_KERNEL_PRIVATE */
 100
 101 struct wait_queue_set ;
 102 struct wait_queue_link ;
 103
 104 #endif  /* MACH_KERNEL_PRIVATE */
 105
 106 typedef struct wait_queue_set   *wait_queue_set_t;
 107 #define WAIT_QUEUE_SET_NULL     ((wait_queue_set_t)0)
 108 #define SIZEOF_WAITQUEUE_SET    wait_queue_set_size()
 109
 110 typedef struct wait_queue_link  *wait_queue_link_t;
 111 #define WAIT_QUEUE_LINK_NULL    ((wait_queue_link_t)0)
 112 #define SIZEOF_WAITQUEUE_LINK   wait_queue_link_size()
 113
 114 /* legacy definitions - going away */
 115 struct wait_queue_sub ;
 116 typedef struct wait_queue_sub   *wait_queue_sub_t;
 117 #define WAIT_QUEUE_SUB_NULL     ((wait_queue_sub_t)0)
 118 #define SIZEOF_WAITQUEUE_SUB    wait_queue_set_size()
 119
 120 #endif  /* KERNEL_PRIVATE */
 121
 122 #endif  /* _KERN_KERN_TYPES_H_ */