1 /* $NetBSD: linux_signal.h,v 1.11 2008/04/28 20:23:43 martin Exp $ */
2 
3 /*-
4  * Copyright (c) 1995, 1998, 2001 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Frank van der Linden, Eric Haszlakiewicz and Emmanuel Dreyfus.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #ifndef _POWERPC_LINUX_SIGNAL_H
33 #define _POWERPC_LINUX_SIGNAL_H
34 
35 /*
36  * Everything is from Linux's include/asm-ppc/signal.h
37  */
38 #define LINUX_SIGHUP           1
39 #define LINUX_SIGINT           2
40 #define LINUX_SIGQUIT 3
41 #define LINUX_SIGILL           4
42 #define LINUX_SIGTRAP 5
43 #define LINUX_SIGABRT 6
44 #define LINUX_SIGIOT           6
45 #define LINUX_SIGBUS           7
46 #define LINUX_SIGFPE           8
47 #define LINUX_SIGKILL 9
48 #define LINUX_SIGUSR1         10
49 #define LINUX_SIGSEGV         11
50 #define LINUX_SIGUSR2         12
51 #define LINUX_SIGPIPE         13
52 #define LINUX_SIGALRM         14
53 #define LINUX_SIGTERM         15
54 #define LINUX_SIGSTKFLT       16
55 #define LINUX_SIGCHLD         17
56 #define LINUX_SIGCONT         18
57 #define LINUX_SIGSTOP         19
58 #define LINUX_SIGTSTP         20
59 #define LINUX_SIGTTIN         21
60 #define LINUX_SIGTTOU         22
61 #define LINUX_SIGURG                    23
62 #define LINUX_SIGXCPU         24
63 #define LINUX_SIGXFSZ         25
64 #define LINUX_SIGVTALRM       26
65 #define LINUX_SIGPROF         27
66 #define LINUX_SIGWINCH        28
67 #define LINUX_SIGIO           29
68 #define LINUX_SIGPOLL         LINUX_SIGIO
69 #define LINUX_SIGLOST         29
70 #define LINUX_SIGPWR                    30
71 #define LINUX_SIGSYS                    31
72 #define LINUX_SIGUNUSED       31
73 #define LINUX_SIGRTMIN  32
74 
75 /* Min/max real-time linux signal */
76 #define LINUX_SIGRTMIN                  32
77 #define LINUX_SIGRTMAX                  (LINUX__NSIG - 1)
78 
79 #define LINUX__NSIG                     64
80 #define LINUX__NSIG_BPW       32
81 #define LINUX__NSIG_WORDS (LINUX__NSIG / LINUX__NSIG_BPW)
82 
83 #define LINUX_SIG_BLOCK                 0
84 #define LINUX_SIG_UNBLOCK     1
85 #define LINUX_SIG_SETMASK     2
86 
87 /* sa_flags */
88 #define LINUX_SA_NOCLDSTOP    0x00000001
89 #define LINUX_SA_NOCLDWAIT    0x00000002
90 #define LINUX_SA_SIGINFO      0x00000004
91 #define LINUX_SA_RESTORER     0x04000000
92 #define LINUX_SA_ONSTACK      0x08000000
93 #define LINUX_SA_RESTART      0x10000000
94 #define LINUX_SA_INTERRUPT    0x20000000
95 #define LINUX_SA_NODEFER      0x40000000
96 #define LINUX_SA_RESETHAND    0x80000000
97 #define LINUX_SA_NOMASK                 LINUX_SA_NODEFER
98 #define LINUX_SA_ONESHOT      LINUX_SA_RESETHAND
99 #define LINUX_SA_ALLBITS      0xfc000007
100 
101 #define   LINUX_MINSIGSTKSZ   2048
102 
103 typedef void (*linux_handler_t)(int);
104 
105 typedef unsigned long linux_old_sigset_t;
106 typedef struct {
107           unsigned long sig[LINUX__NSIG_WORDS];
108 } linux_sigset_t;
109 
110 struct linux_old_sigaction {
111           linux_handler_t linux_sa_handler;
112           linux_old_sigset_t linux_sa_mask;
113           unsigned long linux_sa_flags;
114           void (*linux_sa_restorer)(void);
115 };
116 
117 /* Used in rt_* calls */
118 struct linux_sigaction {
119           linux_handler_t linux_sa_handler;
120           unsigned long linux_sa_flags;
121           void (*linux_sa_restorer)(void);
122           linux_sigset_t      linux_sa_mask;
123 };
124 
125 struct linux_k_sigaction {
126           struct linux_sigaction sa;
127 };
128 
129 #define   LINUX_SS_ONSTACK    1
130 #define   LINUX_SS_DISABLE    2
131 
132 #define   LINUX_MINSIGSTKSZ   2048
133 #define   LINUX_SIGSTKSZ                8192
134 
135 struct linux_sigaltstack {
136           void *ss_sp;
137           int ss_flags;
138           size_t ss_size;
139 };
140 typedef struct linux_sigaltstack linux_stack_t;
141 
142 #endif /* !_POWERPC_LINUX_SIGNAL_H */
143