1 #ifndef _ASM_M32R_SIGNAL_H
2 #define _ASM_M32R_SIGNAL_H
6 /* orig : i386 2.4.18 */
8 #include <linux/types.h>
9 #include <linux/linkage.h>
10 #include <linux/time.h>
11 #include <linux/compiler.h>
13 /* Avoid too many header ordering problems. */
17 /* Most things should be clean enough to redefine this at will, if care
18 is taken to make libc match. */
22 #define _NSIG_WORDS (_NSIG / _NSIG_BPW)
24 typedef unsigned long old_sigset_t
; /* at least 32 bits */
27 unsigned long sig
[_NSIG_WORDS
];
31 /* Here we must cater to libcs that poke about in kernel headers. */
34 typedef unsigned long sigset_t
;
36 #endif /* __KERNEL__ */
76 /* These should not be considered constants from userland. */
78 #define SIGRTMAX _NSIG
83 * SA_ONSTACK indicates that a registered stack_t will be used.
84 * SA_INTERRUPT is a no-op, but left due to historical reasons. Use the
85 * SA_RESTART flag to get restarting signals (which were the default long ago)
86 * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
87 * SA_RESETHAND clears the handler when the signal is delivered.
88 * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
89 * SA_NODEFER prevents the current signal from being masked in the handler.
91 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
92 * Unix names RESETHAND and NODEFER respectively.
94 #define SA_NOCLDSTOP 0x00000001u
95 #define SA_NOCLDWAIT 0x00000002u
96 #define SA_SIGINFO 0x00000004u
97 #define SA_ONSTACK 0x08000000u
98 #define SA_RESTART 0x10000000u
99 #define SA_NODEFER 0x40000000u
100 #define SA_RESETHAND 0x80000000u
102 #define SA_NOMASK SA_NODEFER
103 #define SA_ONESHOT SA_RESETHAND
104 #define SA_INTERRUPT 0x20000000 /* dummy -- ignored */
106 #define SA_RESTORER 0x04000000
109 * sigaltstack controls
114 #define MINSIGSTKSZ 2048
115 #define SIGSTKSZ 8192
120 * These values of sa_flags are used only by the kernel as part of the
121 * irq handling routines.
123 * SA_INTERRUPT is also used by the irq handling routines.
124 * SA_SHIRQ is for shared interrupt support on PCI and EISA.
126 #define SA_PROBE SA_ONESHOT
127 #define SA_SAMPLE_RANDOM SA_RESTART
128 #define SA_SHIRQ 0x04000000
131 #define SIG_BLOCK 0 /* for blocking signals */
132 #define SIG_UNBLOCK 1 /* for unblocking signals */
133 #define SIG_SETMASK 2 /* for setting the signal mask */
135 /* Type of a signal handler. */
136 typedef void __signalfn_t(int);
137 typedef __signalfn_t __user
*__sighandler_t
;
139 typedef void __restorefn_t(void);
140 typedef __restorefn_t __user
*__sigrestore_t
;
142 #define SIG_DFL ((__sighandler_t)0) /* default signal handling */
143 #define SIG_IGN ((__sighandler_t)1) /* ignore signal */
144 #define SIG_ERR ((__sighandler_t)-1) /* error return from signal */
147 struct old_sigaction
{
148 __sighandler_t sa_handler
;
149 old_sigset_t sa_mask
;
150 unsigned long sa_flags
;
151 __sigrestore_t sa_restorer
;
155 __sighandler_t sa_handler
;
156 unsigned long sa_flags
;
157 __sigrestore_t sa_restorer
;
158 sigset_t sa_mask
; /* mask last for extensibility */
165 /* Here we must cater to libcs that poke about in kernel headers. */
169 __sighandler_t _sa_handler
;
170 void (*_sa_sigaction
)(int, struct siginfo
*, void *);
173 unsigned long sa_flags
;
174 void (*sa_restorer
)(void);
177 #define sa_handler _u._sa_handler
178 #define sa_sigaction _u._sa_sigaction
180 #endif /* __KERNEL__ */
182 typedef struct sigaltstack
{
189 #include <asm/sigcontext.h>
191 #undef __HAVE_ARCH_SIG_BITOPS
194 extern int FASTCALL(do_signal(struct pt_regs
*regs
, sigset_t
*oldset
));
196 #define ptrace_signal_deliver(regs, cookie) do { } while (0)
198 #endif /* __KERNEL__ */
200 #endif /* _ASM_M32R_SIGNAL_H */