bsd/sys/_types.h

   1 /*
   2  * Copyright (c) 2006 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 #ifndef _SYS__TYPES_H_
  32 #define _SYS__TYPES_H_
  33
  34 #include <sys/cdefs.h>
  35 #include <machine/_types.h>
  36
  37 /* Forward references */
  38 #ifndef _POSIX_C_SOURCE
  39 struct mcontext;
  40 struct mcontext64;
  41 #else /* _POSIX_C_SOURCE */
  42 struct __darwin_mcontext;
  43 #endif /* _POSIX_C_SOURCE */
  44
  45 /* pthread opaque structures */
  46 #if defined(__LP64__)
  47 #define __PTHREAD_SIZE__           1168
  48 #define __PTHREAD_ATTR_SIZE__      56
  49 #define __PTHREAD_MUTEXATTR_SIZE__ 8
  50 #define __PTHREAD_MUTEX_SIZE__     56
  51 #define __PTHREAD_CONDATTR_SIZE__  8
  52 #define __PTHREAD_COND_SIZE__      40
  53 #define __PTHREAD_ONCE_SIZE__      8
  54 #define __PTHREAD_RWLOCK_SIZE__      192
  55 #define __PTHREAD_RWLOCKATTR_SIZE__      16
  56 #else /* __LP64__ */
  57 #define __PTHREAD_SIZE__           596
  58 #define __PTHREAD_ATTR_SIZE__      36
  59 #define __PTHREAD_MUTEXATTR_SIZE__ 8
  60 #define __PTHREAD_MUTEX_SIZE__     40
  61 #define __PTHREAD_CONDATTR_SIZE__  4
  62 #define __PTHREAD_COND_SIZE__      24
  63 #define __PTHREAD_ONCE_SIZE__      4
  64 #define __PTHREAD_RWLOCK_SIZE__    124
  65 #define __PTHREAD_RWLOCKATTR_SIZE__ 12
  66 #endif /* __LP64__ */
  67
  68 struct __darwin_pthread_handler_rec
  69 {
  70         void           (*__routine)(void *);    /* Routine to call */
  71         void           *__arg;                  /* Argument to pass */
  72         struct __darwin_pthread_handler_rec *__next;
  73 };
  74 struct _opaque_pthread_attr_t { long __sig; char __opaque[__PTHREAD_ATTR_SIZE__]; };
  75 struct _opaque_pthread_cond_t { long __sig; char __opaque[__PTHREAD_COND_SIZE__]; };
  76 struct _opaque_pthread_condattr_t { long __sig; char __opaque[__PTHREAD_CONDATTR_SIZE__]; };
  77 struct _opaque_pthread_mutex_t { long __sig; char __opaque[__PTHREAD_MUTEX_SIZE__]; };
  78 struct _opaque_pthread_mutexattr_t { long __sig; char __opaque[__PTHREAD_MUTEXATTR_SIZE__]; };
  79 struct _opaque_pthread_once_t { long __sig; char __opaque[__PTHREAD_ONCE_SIZE__]; };
  80 struct _opaque_pthread_rwlock_t { long __sig; char __opaque[__PTHREAD_RWLOCK_SIZE__]; };
  81 struct _opaque_pthread_rwlockattr_t { long __sig; char __opaque[__PTHREAD_RWLOCKATTR_SIZE__]; };
  82 struct _opaque_pthread_t { long __sig; struct __darwin_pthread_handler_rec  *__cleanup_stack; char __opaque[__PTHREAD_SIZE__]; };
  83
  84 /*
  85  * Type definitions; takes common type definitions that must be used
  86  * in multiple header files due to [XSI], removes them from the system
  87  * space, and puts them in the implementation space.
  88  */
  89
  90 #ifdef __cplusplus
  91 #ifdef __GNUG__
  92 #define __DARWIN_NULL __null
  93 #else /* ! __GNUG__ */
  94 #ifdef __LP64__
  95 #define __DARWIN_NULL (0L)
  96 #else /* !__LP64__ */
  97 #define __DARWIN_NULL 0
  98 #endif /* __LP64__ */
  99 #endif /* __GNUG__ */
 100 #else /* ! __cplusplus */
 101 #define __DARWIN_NULL ((void *)0)
 102 #endif /* __cplusplus */
 103
 104 typedef __int64_t       __darwin_blkcnt_t;      /* total blocks */
 105 typedef __int32_t       __darwin_blksize_t;     /* preferred block size */
 106 typedef __int32_t       __darwin_dev_t;         /* dev_t */
 107 typedef unsigned int    __darwin_fsblkcnt_t;    /* Used by statvfs and fstatvfs */
 108 typedef unsigned int    __darwin_fsfilcnt_t;    /* Used by statvfs and fstatvfs */
 109 typedef __uint32_t      __darwin_gid_t;         /* [???] process and group IDs */
 110 typedef __uint32_t      __darwin_id_t;          /* [XSI] pid_t, uid_t, or gid_t*/
 111 typedef __uint32_t      __darwin_ino_t;         /* [???] Used for inodes */
 112 typedef __darwin_natural_t __darwin_mach_port_name_t; /* Used by mach */
 113 typedef __darwin_mach_port_name_t __darwin_mach_port_t; /* Used by mach */
 114 #ifndef _POSIX_C_SOURCE
 115 typedef struct mcontext *__darwin_mcontext_t;   /* [???] machine context */
 116 typedef struct mcontext64 *__darwin_mcontext64_t; /* [???] machine context */
 117 #else /* _POSIX_C_SOURCE */
 118 typedef struct __darwin_mcontext *__darwin_mcontext_t; /* [???] machine context */
 119 #endif /* _POSIX_C_SOURCE */
 120 typedef __uint16_t      __darwin_mode_t;        /* [???] Some file attributes */
 121 typedef __int64_t       __darwin_off_t;         /* [???] Used for file sizes */
 122 typedef __int32_t       __darwin_pid_t;         /* [???] process and group IDs */
 123 typedef struct _opaque_pthread_attr_t
 124                         __darwin_pthread_attr_t; /* [???] Used for pthreads */
 125 typedef struct _opaque_pthread_cond_t
 126                         __darwin_pthread_cond_t; /* [???] Used for pthreads */
 127 typedef struct _opaque_pthread_condattr_t
 128                         __darwin_pthread_condattr_t; /* [???] Used for pthreads */
 129 typedef unsigned long   __darwin_pthread_key_t; /* [???] Used for pthreads */
 130 typedef struct _opaque_pthread_mutex_t
 131                         __darwin_pthread_mutex_t; /* [???] Used for pthreads */
 132 typedef struct _opaque_pthread_mutexattr_t
 133                         __darwin_pthread_mutexattr_t; /* [???] Used for pthreads */
 134 typedef struct _opaque_pthread_once_t
 135                         __darwin_pthread_once_t; /* [???] Used for pthreads */
 136 typedef struct _opaque_pthread_rwlock_t
 137                         __darwin_pthread_rwlock_t; /* [???] Used for pthreads */
 138 typedef struct _opaque_pthread_rwlockattr_t
 139                         __darwin_pthread_rwlockattr_t; /* [???] Used for pthreads */
 140 typedef struct _opaque_pthread_t
 141                         *__darwin_pthread_t;    /* [???] Used for pthreads */
 142 typedef __uint32_t      __darwin_sigset_t;      /* [???] signal set */
 143 typedef __int32_t       __darwin_suseconds_t;   /* [???] microseconds */
 144 typedef __uint32_t      __darwin_uid_t;         /* [???] user IDs */
 145 typedef __uint32_t      __darwin_useconds_t;    /* [???] microseconds */
 146 typedef unsigned char   __darwin_uuid_t[16];
 147
 148 /* Structure used in sigaltstack call. */
 149 #ifndef _POSIX_C_SOURCE
 150 struct  sigaltstack
 151 #else /* _POSIX_C_SOURCE */
 152 struct  __darwin_sigaltstack
 153 #endif /* _POSIX_C_SOURCE */
 154 {
 155         void    *ss_sp;                 /* signal stack base */
 156         __darwin_size_t ss_size;        /* signal stack length */
 157         int     ss_flags;               /* SA_DISABLE and/or SA_ONSTACK */
 158 };
 159 #ifndef _POSIX_C_SOURCE
 160 typedef struct sigaltstack __darwin_stack_t;    /* [???] signal stack */
 161 #else /* _POSIX_C_SOURCE */
 162 typedef struct __darwin_sigaltstack __darwin_stack_t; /* [???] signal stack */
 163 #endif /* _POSIX_C_SOURCE */
 164
 165 /* user context */
 166 #ifndef _POSIX_C_SOURCE
 167 struct ucontext
 168 #else /* _POSIX_C_SOURCE */
 169 struct __darwin_ucontext
 170 #endif /* _POSIX_C_SOURCE */
 171 {
 172         int             uc_onstack;
 173         __darwin_sigset_t       uc_sigmask;     /* signal mask used by this context */
 174         __darwin_stack_t        uc_stack;       /* stack used by this context */
 175 #ifndef _POSIX_C_SOURCE
 176         struct ucontext *uc_link;               /* pointer to resuming context */
 177 #else /* _POSIX_C_SOURCE */
 178         struct __darwin_ucontext *uc_link;      /* pointer to resuming context */
 179 #endif /* _POSIX_C_SOURCE */
 180         __darwin_size_t uc_mcsize;              /* size of the machine context passed in */
 181         __darwin_mcontext_t     uc_mcontext;    /* pointer to machine specific context */
 182 };
 183 #ifndef _POSIX_C_SOURCE
 184 typedef struct ucontext __darwin_ucontext_t;    /* [???] user context */
 185 #else /* _POSIX_C_SOURCE */
 186 typedef struct __darwin_ucontext __darwin_ucontext_t; /* [???] user context */
 187 #endif /* _POSIX_C_SOURCE */
 188
 189 #ifndef _POSIX_C_SOURCE
 190 struct ucontext64 {
 191         int             uc_onstack;
 192         __darwin_sigset_t       uc_sigmask;     /* signal mask used by this context */
 193         __darwin_stack_t        uc_stack;       /* stack used by this context */
 194         struct ucontext64 *uc_link;             /* pointer to resuming context */
 195         __darwin_size_t uc_mcsize;              /* size of the machine context passed in */
 196         __darwin_mcontext64_t uc_mcontext64;    /* pointer to machine specific context */
 197 };
 198 typedef struct ucontext64 __darwin_ucontext64_t; /* [???] user context */
 199 #endif /* _POSIX_C_SOURCE */
 200
 201 #ifdef KERNEL
 202 #ifndef offsetof
 203 #define offsetof(type, member)  ((size_t)(&((type *)0)->member))
 204 #endif /* offsetof */
 205 #endif /* KERNEL */
 206 #endif  /* _SYS__TYPES_H_ */