ia64/linux-2.6.18-xen.hg

view include/asm-v850/signal.h @ 452:c7ed6fe5dca0

kexec: dont initialise regions in reserve_memory()

There is no need to initialise efi_memmap_res and boot_param_res in
reserve_memory() for the initial xen domain as it is done in
machine_kexec_setup_resources() using values from the kexec hypercall.

Signed-off-by: Simon Horman <horms@verge.net.au>
author Keir Fraser <keir.fraser@citrix.com>
date Thu Feb 28 10:55:18 2008 +0000 (2008-02-28)
parents 831230e53067
children
line source
1 #ifndef __V850_SIGNAL_H__
2 #define __V850_SIGNAL_H__
4 #include <linux/types.h>
6 /* Avoid too many header ordering problems. */
7 struct siginfo;
10 #ifdef __KERNEL__
12 /* Most things should be clean enough to redefine this at will, if care
13 is taken to make libc match. */
14 #define _NSIG 64
15 #define _NSIG_BPW 32
16 #define _NSIG_WORDS (_NSIG / _NSIG_BPW)
18 typedef unsigned long old_sigset_t; /* at least 32 bits */
20 typedef struct {
21 unsigned long sig[_NSIG_WORDS];
22 } sigset_t;
24 #else /* !__KERNEL__ */
26 /* Here we must cater to libcs that poke about in kernel headers. */
28 #define NSIG 32
29 typedef unsigned long sigset_t;
31 #endif /* __KERNEL__ */
34 #define SIGHUP 1
35 #define SIGINT 2
36 #define SIGQUIT 3
37 #define SIGILL 4
38 #define SIGTRAP 5
39 #define SIGABRT 6
40 #define SIGIOT 6
41 #define SIGBUS 7
42 #define SIGFPE 8
43 #define SIGKILL 9
44 #define SIGUSR1 10
45 #define SIGSEGV 11
46 #define SIGUSR2 12
47 #define SIGPIPE 13
48 #define SIGALRM 14
49 #define SIGTERM 15
50 #define SIGSTKFLT 16
51 #define SIGCHLD 17
52 #define SIGCONT 18
53 #define SIGSTOP 19
54 #define SIGTSTP 20
55 #define SIGTTIN 21
56 #define SIGTTOU 22
57 #define SIGURG 23
58 #define SIGXCPU 24
59 #define SIGXFSZ 25
60 #define SIGVTALRM 26
61 #define SIGPROF 27
62 #define SIGWINCH 28
63 #define SIGIO 29
64 #define SIGPOLL SIGIO
65 /*
66 #define SIGLOST 29
67 */
68 #define SIGPWR 30
69 #define SIGSYS 31
70 #define SIGUNUSED 31
72 /* These should not be considered constants from userland. */
73 #define SIGRTMIN 32
74 #define SIGRTMAX _NSIG
76 /*
77 * SA_FLAGS values:
78 *
79 * SA_ONSTACK indicates that a registered stack_t will be used.
80 * SA_RESTART flag to get restarting signals (which were the default long ago)
81 * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
82 * SA_RESETHAND clears the handler when the signal is delivered.
83 * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
84 * SA_NODEFER prevents the current signal from being masked in the handler.
85 *
86 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
87 * Unix names RESETHAND and NODEFER respectively.
88 */
89 #define SA_NOCLDSTOP 0x00000001
90 #define SA_NOCLDWAIT 0x00000002
91 #define SA_SIGINFO 0x00000004
92 #define SA_ONSTACK 0x08000000
93 #define SA_RESTART 0x10000000
94 #define SA_NODEFER 0x40000000
95 #define SA_RESETHAND 0x80000000
97 #define SA_NOMASK SA_NODEFER
98 #define SA_ONESHOT SA_RESETHAND
100 #define SA_RESTORER 0x04000000
102 /*
103 * sigaltstack controls
104 */
105 #define SS_ONSTACK 1
106 #define SS_DISABLE 2
108 #define MINSIGSTKSZ 2048
109 #define SIGSTKSZ 8192
111 #include <asm-generic/signal.h>
113 #ifdef __KERNEL__
115 struct old_sigaction {
116 __sighandler_t sa_handler;
117 old_sigset_t sa_mask;
118 unsigned long sa_flags;
119 void (*sa_restorer)(void);
120 };
122 struct sigaction {
123 __sighandler_t sa_handler;
124 unsigned long sa_flags;
125 void (*sa_restorer)(void);
126 sigset_t sa_mask; /* mask last for extensibility */
127 };
129 struct k_sigaction {
130 struct sigaction sa;
131 };
133 #else /* !__KERNEL__ */
135 /* Here we must cater to libcs that poke about in kernel headers. */
137 struct sigaction {
138 union {
139 __sighandler_t _sa_handler;
140 void (*_sa_sigaction)(int, struct siginfo *, void *);
141 } _u;
142 sigset_t sa_mask;
143 unsigned long sa_flags;
144 void (*sa_restorer)(void);
145 };
147 #define sa_handler _u._sa_handler
148 #define sa_sigaction _u._sa_sigaction
150 #endif /* __KERNEL__ */
153 typedef struct sigaltstack {
154 void *ss_sp;
155 int ss_flags;
156 size_t ss_size;
157 } stack_t;
159 #ifdef __KERNEL__
161 #include <asm/sigcontext.h>
162 #undef __HAVE_ARCH_SIG_BITOPS
164 #define ptrace_signal_deliver(regs, cookie) do { } while (0)
166 #endif /* __KERNEL__ */
168 #endif /* __V850_SIGNAL_H__ */