userret.h revision 1.2.2.2 1 1.2.2.2 bouyer /* $NetBSD: userret.h,v 1.2.2.2 2000/12/13 15:49:31 bouyer Exp $ */
2 1.2.2.2 bouyer
3 1.2.2.2 bouyer /*-
4 1.2.2.2 bouyer * Copyright (c) 1998, 2000 The NetBSD Foundation, Inc.
5 1.2.2.2 bouyer * All rights reserved.
6 1.2.2.2 bouyer *
7 1.2.2.2 bouyer * This code is derived from software contributed to The NetBSD Foundation
8 1.2.2.2 bouyer * by Charles M. Hannum.
9 1.2.2.2 bouyer *
10 1.2.2.2 bouyer * Redistribution and use in source and binary forms, with or without
11 1.2.2.2 bouyer * modification, are permitted provided that the following conditions
12 1.2.2.2 bouyer * are met:
13 1.2.2.2 bouyer * 1. Redistributions of source code must retain the above copyright
14 1.2.2.2 bouyer * notice, this list of conditions and the following disclaimer.
15 1.2.2.2 bouyer * 2. Redistributions in binary form must reproduce the above copyright
16 1.2.2.2 bouyer * notice, this list of conditions and the following disclaimer in the
17 1.2.2.2 bouyer * documentation and/or other materials provided with the distribution.
18 1.2.2.2 bouyer * 3. All advertising materials mentioning features or use of this software
19 1.2.2.2 bouyer * must display the following acknowledgement:
20 1.2.2.2 bouyer * This product includes software developed by the NetBSD
21 1.2.2.2 bouyer * Foundation, Inc. and its contributors.
22 1.2.2.2 bouyer * 4. Neither the name of The NetBSD Foundation nor the names of its
23 1.2.2.2 bouyer * contributors may be used to endorse or promote products derived
24 1.2.2.2 bouyer * from this software without specific prior written permission.
25 1.2.2.2 bouyer *
26 1.2.2.2 bouyer * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 1.2.2.2 bouyer * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 1.2.2.2 bouyer * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 1.2.2.2 bouyer * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 1.2.2.2 bouyer * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 1.2.2.2 bouyer * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 1.2.2.2 bouyer * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 1.2.2.2 bouyer * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 1.2.2.2 bouyer * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 1.2.2.2 bouyer * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 1.2.2.2 bouyer * POSSIBILITY OF SUCH DAMAGE.
37 1.2.2.2 bouyer */
38 1.2.2.2 bouyer
39 1.2.2.2 bouyer /*-
40 1.2.2.2 bouyer * Copyright (c) 1990 The Regents of the University of California.
41 1.2.2.2 bouyer * All rights reserved.
42 1.2.2.2 bouyer *
43 1.2.2.2 bouyer * This code is derived from software contributed to Berkeley by
44 1.2.2.2 bouyer * William Jolitz.
45 1.2.2.2 bouyer *
46 1.2.2.2 bouyer * Redistribution and use in source and binary forms, with or without
47 1.2.2.2 bouyer * modification, are permitted provided that the following conditions
48 1.2.2.2 bouyer * are met:
49 1.2.2.2 bouyer * 1. Redistributions of source code must retain the above copyright
50 1.2.2.2 bouyer * notice, this list of conditions and the following disclaimer.
51 1.2.2.2 bouyer * 2. Redistributions in binary form must reproduce the above copyright
52 1.2.2.2 bouyer * notice, this list of conditions and the following disclaimer in the
53 1.2.2.2 bouyer * documentation and/or other materials provided with the distribution.
54 1.2.2.2 bouyer * 3. All advertising materials mentioning features or use of this software
55 1.2.2.2 bouyer * must display the following acknowledgement:
56 1.2.2.2 bouyer * This product includes software developed by the University of
57 1.2.2.2 bouyer * California, Berkeley and its contributors.
58 1.2.2.2 bouyer * 4. Neither the name of the University nor the names of its contributors
59 1.2.2.2 bouyer * may be used to endorse or promote products derived from this software
60 1.2.2.2 bouyer * without specific prior written permission.
61 1.2.2.2 bouyer *
62 1.2.2.2 bouyer * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
63 1.2.2.2 bouyer * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
64 1.2.2.2 bouyer * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
65 1.2.2.2 bouyer * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
66 1.2.2.2 bouyer * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
67 1.2.2.2 bouyer * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
68 1.2.2.2 bouyer * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
69 1.2.2.2 bouyer * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
70 1.2.2.2 bouyer * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
71 1.2.2.2 bouyer * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
72 1.2.2.2 bouyer * SUCH DAMAGE.
73 1.2.2.2 bouyer *
74 1.2.2.2 bouyer */
75 1.2.2.2 bouyer
76 1.2.2.2 bouyer static __inline void userret __P((register struct proc *));
77 1.2.2.2 bouyer
78 1.2.2.2 bouyer /*
79 1.2.2.2 bouyer * Define the code needed before returning to user mode, for
80 1.2.2.2 bouyer * trap and syscall.
81 1.2.2.2 bouyer */
82 1.2.2.2 bouyer static __inline void
83 1.2.2.2 bouyer userret(p)
84 1.2.2.2 bouyer register struct proc *p;
85 1.2.2.2 bouyer {
86 1.2.2.2 bouyer int sig;
87 1.2.2.2 bouyer
88 1.2.2.2 bouyer /* Take pending signals. */
89 1.2.2.2 bouyer while ((sig = CURSIG(p)) != 0)
90 1.2.2.2 bouyer postsig(sig);
91 1.2.2.2 bouyer
92 1.2.2.2 bouyer curcpu()->ci_schedstate.spc_curpriority = p->p_priority = p->p_usrpri;
93 1.2.2.2 bouyer }
94