1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
6 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 only,
10 * as published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License version 2 for more details (a copy is included
16 * in the LICENSE file that accompanied this code).
18 * You should have received a copy of the GNU General Public License
19 * version 2 along with this program; If not, see
20 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
22 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
23 * CA 95054 USA or visit www.sun.com if you need additional information or
29 * Copyright 2008 Sun Microsystems, Inc. All rights reserved
30 * Use is subject to license terms.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
36 * libcfs/include/libcfs/darwin/darwin-types.h
38 * Basic library routines.
41 #ifndef __LIBCFS_DARWIN_XNU_TYPES_H__
42 #define __LIBCFS_DARWIN_XNU_TYPES_H__
44 #ifndef __LIBCFS_LIBCFS_H__
45 #error Do not #include this file directly. #include <libcfs/libcfs.h> instead
48 #include <mach/mach_types.h>
49 #include <sys/types.h>
51 #ifndef _BLKID_TYPES_H
52 #define _BLKID_TYPES_H
55 typedef u_int8_t __u8;
56 typedef u_int16_t __u16;
57 typedef u_int32_t __u32;
58 typedef u_int64_t __u64;
60 typedef int16_t __s16;
61 typedef int32_t __s32;
62 typedef int64_t __s64;
64 /* long integer with size equal to pointer */
65 typedef unsigned long ulong_ptr_t;
66 typedef long long_ptr_t;
70 #include <kern/kern_types.h>
73 typedef struct { int e; } event_chan_t;
79 #include <libkern/OSAtomic.h>
81 typedef struct { volatile uint32_t counter; } atomic_t;
83 #define ATOMIC_INIT(i) { (i) }
84 #define atomic_read(a) ((a)->counter)
85 #define atomic_set(a, v) (((a)->counter) = (v))
87 /* OS*Atomic return the value before the operation */
88 #define atomic_add(v, a) OSAddAtomic(v, (SInt32 *)&((a)->counter))
89 #define atomic_sub(v, a) OSAddAtomic(-(v), (SInt32 *)&((a)->counter))
90 #define atomic_inc(a) OSIncrementAtomic((SInt32 *)&((a)->counter))
91 #define atomic_dec(a) OSDecrementAtomic((SInt32 *)&((a)->counter))
92 #else /* !__DARWIN8__ */
93 #define atomic_add(v, a) hw_atomic_add((__u32 *)&((a)->counter), v)
94 #define atomic_sub(v, a) hw_atomic_sub((__u32 *)&((a)->counter), v)
95 #define atomic_inc(a) atomic_add(1, a)
96 #define atomic_dec(a) atomic_sub(1, a)
97 #endif /* !__DARWIN8__ */
98 #define atomic_sub_and_test(v, a) (atomic_sub(v, a) == (v))
99 #define atomic_dec_and_test(a) (atomic_dec(a) == 1)
100 #define atomic_inc_return(a) (atomic_inc(a) + 1)
101 #define atomic_dec_return(a) (atomic_dec(a) - 1)
103 #include <libsa/mach/mach.h>
104 typedef off_t loff_t;
106 #else /* !__KERNEL__ */
110 typedef off_t loff_t;
112 #endif /* __KERNEL END */
113 typedef unsigned short umode_t;
115 #endif /* __XNU_CFS_TYPES_H__ */