ia64/linux-2.6.18-xen.hg

view include/asm-h8300/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 _H8300_SIGNAL_H
2 #define _H8300_SIGNAL_H
4 #include <linux/types.h>
6 /* Avoid too many header ordering problems. */
7 struct siginfo;
9 #ifdef __KERNEL__
10 /* Most things should be clean enough to redefine this at will, if care
11 is taken to make libc match. */
13 #define _NSIG 64
14 #define _NSIG_BPW 32
15 #define _NSIG_WORDS (_NSIG / _NSIG_BPW)
17 typedef unsigned long old_sigset_t; /* at least 32 bits */
19 typedef struct {
20 unsigned long sig[_NSIG_WORDS];
21 } sigset_t;
23 #else
24 /* Here we must cater to libcs that poke about in kernel headers. */
26 #define NSIG 32
27 typedef unsigned long sigset_t;
29 #endif /* __KERNEL__ */
31 #define SIGHUP 1
32 #define SIGINT 2
33 #define SIGQUIT 3
34 #define SIGILL 4
35 #define SIGTRAP 5
36 #define SIGABRT 6
37 #define SIGIOT 6
38 #define SIGBUS 7
39 #define SIGFPE 8
40 #define SIGKILL 9
41 #define SIGUSR1 10
42 #define SIGSEGV 11
43 #define SIGUSR2 12
44 #define SIGPIPE 13
45 #define SIGALRM 14
46 #define SIGTERM 15
47 #define SIGSTKFLT 16
48 #define SIGCHLD 17
49 #define SIGCONT 18
50 #define SIGSTOP 19
51 #define SIGTSTP 20
52 #define SIGTTIN 21
53 #define SIGTTOU 22
54 #define SIGURG 23
55 #define SIGXCPU 24
56 #define SIGXFSZ 25
57 #define SIGVTALRM 26
58 #define SIGPROF 27
59 #define SIGWINCH 28
60 #define SIGIO 29
61 #define SIGPOLL SIGIO
62 /*
63 #define SIGLOST 29
64 */
65 #define SIGPWR 30
66 #define SIGSYS 31
67 #define SIGUNUSED 31
69 /* These should not be considered constants from userland. */
70 #define SIGRTMIN 32
71 #define SIGRTMAX _NSIG
73 /*
74 * SA_FLAGS values:
75 *
76 * SA_ONSTACK indicates that a registered stack_t will be used.
77 * SA_RESTART flag to get restarting signals (which were the default long ago)
78 * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
79 * SA_RESETHAND clears the handler when the signal is delivered.
80 * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
81 * SA_NODEFER prevents the current signal from being masked in the handler.
82 *
83 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
84 * Unix names RESETHAND and NODEFER respectively.
85 */
86 #define SA_NOCLDSTOP 0x00000001
87 #define SA_NOCLDWAIT 0x00000002 /* not supported yet */
88 #define SA_SIGINFO 0x00000004
89 #define SA_ONSTACK 0x08000000
90 #define SA_RESTART 0x10000000
91 #define SA_NODEFER 0x40000000
92 #define SA_RESETHAND 0x80000000
94 #define SA_NOMASK SA_NODEFER
95 #define SA_ONESHOT SA_RESETHAND
97 #define SA_RESTORER 0x04000000
99 /*
100 * sigaltstack controls
101 */
102 #define SS_ONSTACK 1
103 #define SS_DISABLE 2
105 #define MINSIGSTKSZ 2048
106 #define SIGSTKSZ 8192
108 #include <asm-generic/signal.h>
110 #ifdef __KERNEL__
111 struct old_sigaction {
112 __sighandler_t sa_handler;
113 old_sigset_t sa_mask;
114 unsigned long sa_flags;
115 void (*sa_restorer)(void);
116 };
118 struct sigaction {
119 __sighandler_t sa_handler;
120 unsigned long sa_flags;
121 void (*sa_restorer)(void);
122 sigset_t sa_mask; /* mask last for extensibility */
123 };
125 struct k_sigaction {
126 struct sigaction sa;
127 };
128 #else
129 /* Here we must cater to libcs that poke about in kernel headers. */
131 struct sigaction {
132 union {
133 __sighandler_t _sa_handler;
134 void (*_sa_sigaction)(int, struct siginfo *, void *);
135 } _u;
136 sigset_t sa_mask;
137 unsigned long sa_flags;
138 void (*sa_restorer)(void);
139 };
141 #define sa_handler _u._sa_handler
142 #define sa_sigaction _u._sa_sigaction
144 #endif /* __KERNEL__ */
146 typedef struct sigaltstack {
147 void *ss_sp;
148 int ss_flags;
149 size_t ss_size;
150 } stack_t;
152 #ifdef __KERNEL__
154 #include <asm/sigcontext.h>
155 #undef __HAVE_ARCH_SIG_BITOPS
157 #define ptrace_signal_deliver(regs, cookie) do { } while (0)
159 #endif /* __KERNEL__ */
161 #endif /* _H8300_SIGNAL_H */