1 #ifndef _ASM_M32R_SIGNAL_H
2 #define _ASM_M32R_SIGNAL_H
4 #include <linux/types.h>
5 #include <linux/time.h>
6 #include <linux/compiler.h>
8 /* Avoid too many header ordering problems. */
12 /* Most things should be clean enough to redefine this at will, if care
13 is taken to make libc match. */
17 #define _NSIG_WORDS (_NSIG / _NSIG_BPW)
19 typedef unsigned long old_sigset_t; /* at least 32 bits */
22 unsigned long sig[_NSIG_WORDS];
26 /* Here we must cater to libcs that poke about in kernel headers. */
29 typedef unsigned long sigset_t;
31 #endif /* __KERNEL__ */
71 /* These should not be considered constants from userland. */
73 #define SIGRTMAX _NSIG
78 * SA_ONSTACK indicates that a registered stack_t will be used.
79 * SA_RESTART flag to get restarting signals (which were the default long ago)
80 * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
81 * SA_RESETHAND clears the handler when the signal is delivered.
82 * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
83 * SA_NODEFER prevents the current signal from being masked in the handler.
85 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
86 * Unix names RESETHAND and NODEFER respectively.
88 #define SA_NOCLDSTOP 0x00000001u
89 #define SA_NOCLDWAIT 0x00000002u
90 #define SA_SIGINFO 0x00000004u
91 #define SA_ONSTACK 0x08000000u
92 #define SA_RESTART 0x10000000u
93 #define SA_NODEFER 0x40000000u
94 #define SA_RESETHAND 0x80000000u
96 #define SA_NOMASK SA_NODEFER
97 #define SA_ONESHOT SA_RESETHAND
99 #define SA_RESTORER 0x04000000
102 * sigaltstack controls
107 #define MINSIGSTKSZ 2048
108 #define SIGSTKSZ 8192
110 #include <asm-generic/signal.h>
113 struct old_sigaction {
114 __sighandler_t sa_handler;
115 old_sigset_t sa_mask;
116 unsigned long sa_flags;
117 __sigrestore_t sa_restorer;
121 __sighandler_t sa_handler;
122 unsigned long sa_flags;
123 __sigrestore_t sa_restorer;
124 sigset_t sa_mask; /* mask last for extensibility */
131 /* Here we must cater to libcs that poke about in kernel headers. */
135 __sighandler_t _sa_handler;
136 void (*_sa_sigaction)(int, struct siginfo *, void *);
139 unsigned long sa_flags;
140 void (*sa_restorer)(void);
143 #define sa_handler _u._sa_handler
144 #define sa_sigaction _u._sa_sigaction
146 #endif /* __KERNEL__ */
148 typedef struct sigaltstack {
155 #include <asm/sigcontext.h>
157 #undef __HAVE_ARCH_SIG_BITOPS
160 extern int do_signal(struct pt_regs *regs, sigset_t *oldset);
162 #define ptrace_signal_deliver(regs, cookie) do { } while (0)
164 #endif /* __KERNEL__ */
166 #endif /* _ASM_M32R_SIGNAL_H */