199 lines
4.3 KiB
C
199 lines
4.3 KiB
C
#ifndef _M68K_SIGNAL_H
|
|
#define _M68K_SIGNAL_H
|
|
|
|
#include <linux/types.h>
|
|
|
|
/* Avoid too many header ordering problems. */
|
|
struct siginfo;
|
|
|
|
#ifdef __KERNEL__
|
|
/* Most things should be clean enough to redefine this at will, if care
|
|
is taken to make libc match. */
|
|
|
|
#define _NSIG 64
|
|
#define _NSIG_BPW 32
|
|
#define _NSIG_WORDS (_NSIG / _NSIG_BPW)
|
|
|
|
typedef unsigned long old_sigset_t; /* at least 32 bits */
|
|
|
|
typedef struct {
|
|
unsigned long sig[_NSIG_WORDS];
|
|
} sigset_t;
|
|
|
|
#else
|
|
/* Here we must cater to libcs that poke about in kernel headers. */
|
|
|
|
#define NSIG 32
|
|
typedef unsigned long sigset_t;
|
|
|
|
#endif /* __KERNEL__ */
|
|
|
|
#define SIGHUP 1
|
|
#define SIGINT 2
|
|
#define SIGQUIT 3
|
|
#define SIGILL 4
|
|
#define SIGTRAP 5
|
|
#define SIGABRT 6
|
|
#define SIGIOT 6
|
|
#define SIGBUS 7
|
|
#define SIGFPE 8
|
|
#define SIGKILL 9
|
|
#define SIGUSR1 10
|
|
#define SIGSEGV 11
|
|
#define SIGUSR2 12
|
|
#define SIGPIPE 13
|
|
#define SIGALRM 14
|
|
#define SIGTERM 15
|
|
#define SIGSTKFLT 16
|
|
#define SIGCHLD 17
|
|
#define SIGCONT 18
|
|
#define SIGSTOP 19
|
|
#define SIGTSTP 20
|
|
#define SIGTTIN 21
|
|
#define SIGTTOU 22
|
|
#define SIGURG 23
|
|
#define SIGXCPU 24
|
|
#define SIGXFSZ 25
|
|
#define SIGVTALRM 26
|
|
#define SIGPROF 27
|
|
#define SIGWINCH 28
|
|
#define SIGIO 29
|
|
#define SIGPOLL SIGIO
|
|
/*
|
|
#define SIGLOST 29
|
|
*/
|
|
#define SIGPWR 30
|
|
#define SIGSYS 31
|
|
#define SIGUNUSED 31
|
|
|
|
/* These should not be considered constants from userland. */
|
|
#define SIGRTMIN 32
|
|
#define SIGRTMAX _NSIG
|
|
|
|
/*
|
|
* SA_FLAGS values:
|
|
*
|
|
* SA_ONSTACK indicates that a registered stack_t will be used.
|
|
* SA_INTERRUPT is a no-op, but left due to historical reasons. Use the
|
|
* SA_RESTART flag to get restarting signals (which were the default long ago)
|
|
* SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
|
|
* SA_RESETHAND clears the handler when the signal is delivered.
|
|
* SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
|
|
* SA_NODEFER prevents the current signal from being masked in the handler.
|
|
*
|
|
* SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
|
|
* Unix names RESETHAND and NODEFER respectively.
|
|
*/
|
|
#define SA_NOCLDSTOP 0x00000001
|
|
#define SA_NOCLDWAIT 0x00000002
|
|
#define SA_SIGINFO 0x00000004
|
|
#define SA_ONSTACK 0x08000000
|
|
#define SA_RESTART 0x10000000
|
|
#define SA_NODEFER 0x40000000
|
|
#define SA_RESETHAND 0x80000000
|
|
|
|
#define SA_NOMASK SA_NODEFER
|
|
#define SA_ONESHOT SA_RESETHAND
|
|
#define SA_INTERRUPT 0x20000000 /* dummy -- ignored */
|
|
|
|
/*
|
|
* sigaltstack controls
|
|
*/
|
|
#define SS_ONSTACK 1
|
|
#define SS_DISABLE 2
|
|
|
|
#define MINSIGSTKSZ 2048
|
|
#define SIGSTKSZ 8192
|
|
|
|
#include <asm-generic/signal.h>
|
|
|
|
#ifdef __KERNEL__
|
|
struct old_sigaction {
|
|
__sighandler_t sa_handler;
|
|
old_sigset_t sa_mask;
|
|
unsigned long sa_flags;
|
|
__sigrestore_t sa_restorer;
|
|
};
|
|
|
|
struct sigaction {
|
|
__sighandler_t sa_handler;
|
|
unsigned long sa_flags;
|
|
__sigrestore_t sa_restorer;
|
|
sigset_t sa_mask; /* mask last for extensibility */
|
|
};
|
|
|
|
struct k_sigaction {
|
|
struct sigaction sa;
|
|
};
|
|
#else
|
|
/* Here we must cater to libcs that poke about in kernel headers. */
|
|
|
|
struct sigaction {
|
|
union {
|
|
__sighandler_t _sa_handler;
|
|
void (*_sa_sigaction)(int, struct siginfo *, void *);
|
|
} _u;
|
|
sigset_t sa_mask;
|
|
unsigned long sa_flags;
|
|
void (*sa_restorer)(void);
|
|
};
|
|
|
|
#define sa_handler _u._sa_handler
|
|
#define sa_sigaction _u._sa_sigaction
|
|
|
|
#endif /* __KERNEL__ */
|
|
|
|
typedef struct sigaltstack {
|
|
void *ss_sp;
|
|
int ss_flags;
|
|
size_t ss_size;
|
|
} stack_t;
|
|
|
|
#ifdef __KERNEL__
|
|
#include <asm/sigcontext.h>
|
|
|
|
#define __HAVE_ARCH_SIG_BITOPS
|
|
|
|
static inline void sigaddset(sigset_t *set, int _sig)
|
|
{
|
|
__asm__("bfset %0{%1,#1}" : "=m" (*set) : "id" ((_sig - 1) ^ 31)
|
|
: "cc");
|
|
}
|
|
|
|
static inline void sigdelset(sigset_t *set, int _sig)
|
|
{
|
|
__asm__("bfclr %0{%1,#1}" : "=m"(*set) : "id"((_sig - 1) ^ 31)
|
|
: "cc");
|
|
}
|
|
|
|
static inline int __const_sigismember(sigset_t *set, int _sig)
|
|
{
|
|
unsigned long sig = _sig - 1;
|
|
return 1 & (set->sig[sig / _NSIG_BPW] >> (sig % _NSIG_BPW));
|
|
}
|
|
|
|
static inline int __gen_sigismember(sigset_t *set, int _sig)
|
|
{
|
|
int ret;
|
|
__asm__("bfextu %1{%2,#1},%0"
|
|
: "=d"(ret) : "m"(*set), "id"((_sig-1) ^ 31));
|
|
return ret;
|
|
}
|
|
|
|
#define sigismember(set,sig) \
|
|
(__builtin_constant_p(sig) ? \
|
|
__const_sigismember(set,sig) : \
|
|
__gen_sigismember(set,sig))
|
|
|
|
static inline int sigfindinword(unsigned long word)
|
|
{
|
|
__asm__("bfffo %1{#0,#0},%0" : "=d"(word) : "d"(word & -word) : "cc");
|
|
return word ^ 31;
|
|
}
|
|
|
|
extern void ptrace_signal_deliver(struct pt_regs *regs, void *cookie);
|
|
|
|
#endif /* __KERNEL__ */
|
|
|
|
#endif /* _M68K_SIGNAL_H */
|