ia64/linux-2.6.18-xen.hg

view include/asm-m32r/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 3e8752eb6d9c
children
line source
1 #ifndef _ASM_M32R_SIGNAL_H
2 #define _ASM_M32R_SIGNAL_H
4 /* $Id$ */
6 /* orig : i386 2.4.18 */
8 #include <linux/types.h>
9 #include <linux/time.h>
10 #include <linux/compiler.h>
12 /* Avoid too many header ordering problems. */
13 struct siginfo;
15 #ifdef __KERNEL__
16 /* Most things should be clean enough to redefine this at will, if care
17 is taken to make libc match. */
19 #define _NSIG 64
20 #define _NSIG_BPW 32
21 #define _NSIG_WORDS (_NSIG / _NSIG_BPW)
23 typedef unsigned long old_sigset_t; /* at least 32 bits */
25 typedef struct {
26 unsigned long sig[_NSIG_WORDS];
27 } sigset_t;
29 #else
30 /* Here we must cater to libcs that poke about in kernel headers. */
32 #define NSIG 32
33 typedef unsigned long sigset_t;
35 #endif /* __KERNEL__ */
37 #define SIGHUP 1
38 #define SIGINT 2
39 #define SIGQUIT 3
40 #define SIGILL 4
41 #define SIGTRAP 5
42 #define SIGABRT 6
43 #define SIGIOT 6
44 #define SIGBUS 7
45 #define SIGFPE 8
46 #define SIGKILL 9
47 #define SIGUSR1 10
48 #define SIGSEGV 11
49 #define SIGUSR2 12
50 #define SIGPIPE 13
51 #define SIGALRM 14
52 #define SIGTERM 15
53 #define SIGSTKFLT 16
54 #define SIGCHLD 17
55 #define SIGCONT 18
56 #define SIGSTOP 19
57 #define SIGTSTP 20
58 #define SIGTTIN 21
59 #define SIGTTOU 22
60 #define SIGURG 23
61 #define SIGXCPU 24
62 #define SIGXFSZ 25
63 #define SIGVTALRM 26
64 #define SIGPROF 27
65 #define SIGWINCH 28
66 #define SIGIO 29
67 #define SIGPOLL SIGIO
68 /*
69 #define SIGLOST 29
70 */
71 #define SIGPWR 30
72 #define SIGSYS 31
73 #define SIGUNUSED 31
75 /* These should not be considered constants from userland. */
76 #define SIGRTMIN 32
77 #define SIGRTMAX _NSIG
79 /*
80 * SA_FLAGS values:
81 *
82 * SA_ONSTACK indicates that a registered stack_t will be used.
83 * SA_RESTART flag to get restarting signals (which were the default long ago)
84 * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
85 * SA_RESETHAND clears the handler when the signal is delivered.
86 * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
87 * SA_NODEFER prevents the current signal from being masked in the handler.
88 *
89 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
90 * Unix names RESETHAND and NODEFER respectively.
91 */
92 #define SA_NOCLDSTOP 0x00000001u
93 #define SA_NOCLDWAIT 0x00000002u
94 #define SA_SIGINFO 0x00000004u
95 #define SA_ONSTACK 0x08000000u
96 #define SA_RESTART 0x10000000u
97 #define SA_NODEFER 0x40000000u
98 #define SA_RESETHAND 0x80000000u
100 #define SA_NOMASK SA_NODEFER
101 #define SA_ONESHOT SA_RESETHAND
103 #define SA_RESTORER 0x04000000
105 /*
106 * sigaltstack controls
107 */
108 #define SS_ONSTACK 1
109 #define SS_DISABLE 2
111 #define MINSIGSTKSZ 2048
112 #define SIGSTKSZ 8192
114 #include <asm-generic/signal.h>
116 #ifdef __KERNEL__
117 struct old_sigaction {
118 __sighandler_t sa_handler;
119 old_sigset_t sa_mask;
120 unsigned long sa_flags;
121 __sigrestore_t sa_restorer;
122 };
124 struct sigaction {
125 __sighandler_t sa_handler;
126 unsigned long sa_flags;
127 __sigrestore_t sa_restorer;
128 sigset_t sa_mask; /* mask last for extensibility */
129 };
131 struct k_sigaction {
132 struct sigaction sa;
133 };
134 #else
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__ */
152 typedef struct sigaltstack {
153 void __user *ss_sp;
154 int ss_flags;
155 size_t ss_size;
156 } stack_t;
158 #ifdef __KERNEL__
159 #include <asm/sigcontext.h>
161 #undef __HAVE_ARCH_SIG_BITOPS
163 struct pt_regs;
164 extern int FASTCALL(do_signal(struct pt_regs *regs, sigset_t *oldset));
166 #define ptrace_signal_deliver(regs, cookie) do { } while (0)
168 #endif /* __KERNEL__ */
170 #endif /* _ASM_M32R_SIGNAL_H */