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
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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;
76 #include <libkern/OSAtomic.h>
78 typedef struct { volatile uint32_t counter; } atomic_t;
80 #define ATOMIC_INIT(i) { (i) }
81 #define atomic_read(a) ((a)->counter)
82 #define atomic_set(a, v) (((a)->counter) = (v))
84 /* OS*Atomic return the value before the operation */
85 #define atomic_add(v, a) OSAddAtomic(v, (SInt32 *)&((a)->counter))
86 #define atomic_sub(v, a) OSAddAtomic(-(v), (SInt32 *)&((a)->counter))
87 #define atomic_inc(a) OSIncrementAtomic((SInt32 *)&((a)->counter))
88 #define atomic_dec(a) OSDecrementAtomic((SInt32 *)&((a)->counter))
89 #else /* !__DARWIN8__ */
90 #define atomic_add(v, a) hw_atomic_add((__u32 *)&((a)->counter), v)
91 #define atomic_sub(v, a) hw_atomic_sub((__u32 *)&((a)->counter), v)
92 #define atomic_inc(a) atomic_add(1, a)
93 #define atomic_dec(a) atomic_sub(1, a)
94 #endif /* !__DARWIN8__ */
95 #define atomic_sub_and_test(v, a) (atomic_sub(v, a) == (v))
96 #define atomic_dec_and_test(a) (atomic_dec(a) == 1)
97 #define atomic_inc_return(a) (atomic_inc(a) + 1)
98 #define atomic_dec_return(a) (atomic_dec(a) - 1)
100 #include <libsa/mach/mach.h>
101 typedef off_t loff_t;
103 #else /* !__KERNEL__ */
107 typedef off_t loff_t;
109 #endif /* __KERNEL END */
110 typedef unsigned short umode_t;
112 #endif /* __XNU_CFS_TYPES_H__ */