4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
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10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
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34 * libcfs/include/libcfs/darwin/darwin-types.h
36 * Basic library routines.
39 #ifndef __LIBCFS_DARWIN_XNU_TYPES_H__
40 #define __LIBCFS_DARWIN_XNU_TYPES_H__
42 #ifndef __LIBCFS_LIBCFS_H__
43 #error Do not #include this file directly. #include <libcfs/libcfs.h> instead
46 #include <mach/mach_types.h>
47 #include <sys/types.h>
49 #ifndef _BLKID_TYPES_H
50 #define _BLKID_TYPES_H
53 typedef u_int8_t __u8;
54 typedef u_int16_t __u16;
55 typedef u_int32_t __u32;
56 typedef u_int64_t __u64;
58 typedef int16_t __s16;
59 typedef int32_t __s32;
60 typedef int64_t __s64;
62 /* long integer with size equal to pointer */
63 typedef unsigned long ulong_ptr_t;
64 typedef long long_ptr_t;
68 #include <kern/kern_types.h>
71 typedef struct { int e; } event_chan_t;
77 #include <libkern/OSAtomic.h>
79 typedef struct { volatile uint32_t counter; } atomic_t;
81 #define ATOMIC_INIT(i) { (i) }
82 #define atomic_read(a) ((a)->counter)
83 #define atomic_set(a, v) (((a)->counter) = (v))
85 /* OS*Atomic return the value before the operation */
86 #define atomic_add(v, a) OSAddAtomic(v, (SInt32 *)&((a)->counter))
87 #define atomic_sub(v, a) OSAddAtomic(-(v), (SInt32 *)&((a)->counter))
88 #define atomic_inc(a) OSIncrementAtomic((SInt32 *)&((a)->counter))
89 #define atomic_dec(a) OSDecrementAtomic((SInt32 *)&((a)->counter))
90 #else /* !__DARWIN8__ */
91 #define atomic_add(v, a) hw_atomic_add((__u32 *)&((a)->counter), v)
92 #define atomic_sub(v, a) hw_atomic_sub((__u32 *)&((a)->counter), v)
93 #define atomic_inc(a) atomic_add(1, a)
94 #define atomic_dec(a) atomic_sub(1, a)
95 #endif /* !__DARWIN8__ */
96 #define atomic_sub_and_test(v, a) (atomic_sub(v, a) == (v))
97 #define atomic_dec_and_test(a) (atomic_dec(a) == 1)
98 #define atomic_inc_return(a) (atomic_inc(a) + 1)
99 #define atomic_dec_return(a) (atomic_dec(a) - 1)
101 #include <libsa/mach/mach.h>
102 typedef off_t loff_t;
104 #else /* !__KERNEL__ */
108 typedef off_t loff_t;
110 #endif /* __KERNEL END */
111 typedef unsigned short umode_t;
113 #endif /* __XNU_CFS_TYPES_H__ */