FreeBSD/Linux Kernel Cross Reference
sys/sys/spl.h
1 /* $NetBSD: spl.h,v 1.8 2007/12/03 15:34:34 ad Exp $ */
2
3 /*-
4 * Copyright (c)2005 YAMAMOTO Takashi,
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 /*
30 * this header is intended to be included by MD header.
31 *
32 * an assumption: makeiplcookie() is reasonably fast.
33 * if it isn't the case for your port, it's better to have MD optimized
34 * splxxx() functions, rather than using this header.
35 */
36
37 #if !defined(_KERNEL)
38 #error not supposed to be exposed to userland.
39 #endif /* !defined(_KERNEL) */
40
41 #define _SPL_DECL(x, X) \
42 static __inline int \
43 spl##x(void) \
44 { return splraiseipl(makeiplcookie(IPL_##X)); }
45
46 #if defined(IPL_SOFTCLOCK)
47 _SPL_DECL(softclock, SOFTCLOCK)
48 #endif /* defined(IPL_SOFTCLOCK) */
49 #if defined(IPL_SOFTNET)
50 _SPL_DECL(softnet, SOFTNET)
51 #endif /* defined(IPL_SOFTNET) */
52 #if defined(IPL_SOFTSERIAL)
53 _SPL_DECL(softserial, SOFTSERIAL)
54 #endif /* defined(IPL_SOFTSERIAL) */
55
56 _SPL_DECL(vm, VM)
57 _SPL_DECL(sched, SCHED)
58 _SPL_DECL(high, HIGH)
59
60 #undef _SPL_DECL
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