bsd/sys/_types.h

   1 /*
   2  * Copyright (c) 2003-2007 Apple 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 #ifndef _SYS__TYPES_H_
  30 #define _SYS__TYPES_H_
  31
  32 #include <sys/cdefs.h>
  33 #include <machine/_types.h>
  34
  35 /*
  36  * Type definitions; takes common type definitions that must be used
  37  * in multiple header files due to [XSI], removes them from the system
  38  * space, and puts them in the implementation space.
  39  */
  40
  41 #ifdef __cplusplus
  42 #ifdef __GNUG__
  43 #define __DARWIN_NULL __null
  44 #else /* ! __GNUG__ */
  45 #ifdef __LP64__
  46 #define __DARWIN_NULL (0L)
  47 #else /* !__LP64__ */
  48 #define __DARWIN_NULL 0
  49 #endif /* __LP64__ */
  50 #endif /* __GNUG__ */
  51 #else /* ! __cplusplus */
  52 #define __DARWIN_NULL ((void *)0)
  53 #endif /* __cplusplus */
  54
  55 #if !defined(DRIVERKIT)
  56 typedef __int64_t       __darwin_blkcnt_t;      /* total blocks */
  57 typedef __int32_t       __darwin_blksize_t;     /* preferred block size */
  58 typedef __int32_t       __darwin_dev_t;         /* dev_t */
  59 typedef unsigned int    __darwin_fsblkcnt_t;    /* Used by statvfs and fstatvfs */
  60 typedef unsigned int    __darwin_fsfilcnt_t;    /* Used by statvfs and fstatvfs */
  61 typedef __uint32_t      __darwin_gid_t;         /* [???] process and group IDs */
  62 typedef __uint32_t      __darwin_id_t;          /* [XSI] pid_t, uid_t, or gid_t*/
  63 typedef __uint64_t      __darwin_ino64_t;       /* [???] Used for 64 bit inodes */
  64 #if __DARWIN_64_BIT_INO_T
  65 typedef __darwin_ino64_t __darwin_ino_t;        /* [???] Used for inodes */
  66 #else /* !__DARWIN_64_BIT_INO_T */
  67 typedef __uint32_t      __darwin_ino_t;         /* [???] Used for inodes */
  68 #endif /* __DARWIN_64_BIT_INO_T */
  69 typedef __darwin_natural_t __darwin_mach_port_name_t; /* Used by mach */
  70 typedef __darwin_mach_port_name_t __darwin_mach_port_t; /* Used by mach */
  71 typedef __uint16_t      __darwin_mode_t;        /* [???] Some file attributes */
  72 typedef __int64_t       __darwin_off_t;         /* [???] Used for file sizes */
  73 typedef __int32_t       __darwin_pid_t;         /* [???] process and group IDs */
  74 typedef __uint32_t      __darwin_sigset_t;      /* [???] signal set */
  75 typedef __int32_t       __darwin_suseconds_t;   /* [???] microseconds */
  76 typedef __uint32_t      __darwin_uid_t;         /* [???] user IDs */
  77 typedef __uint32_t      __darwin_useconds_t;    /* [???] microseconds */
  78 #endif /* !defined(DRIVERKIT) */
  79 typedef unsigned char   __darwin_uuid_t[16];
  80 typedef char    __darwin_uuid_string_t[37];
  81
  82 #if !defined(KERNEL) && !defined(DRIVERKIT)
  83 #include <sys/_pthread/_pthread_types.h>
  84 #endif /* !defined(KERNEL) && !defined(DRIVERKIT) */
  85
  86 #if defined(__GNUC__) && (__GNUC__ == 3 && __GNUC_MINOR__ >= 5 || __GNUC__ > 3)
  87 #define __offsetof(type, field) __builtin_offsetof(type, field)
  88 #else /* !(gcc >= 3.5) */
  89 #define __offsetof(type, field) ((size_t)(&((type *)0)->field))
  90 #endif /* (gcc >= 3.5) */
  91
  92 #ifdef KERNEL
  93 #include <sys/_types/_offsetof.h>
  94 #endif /* KERNEL */
  95
  96 #endif  /* _SYS__TYPES_H_ */