1#ifndef _ASM_CRIS_SIGNAL_H
  2#define _ASM_CRIS_SIGNAL_H
  3
  4#include <linux/types.h>
  5
  6/* Avoid too many header ordering problems.  */
  7struct siginfo;
  8
  9#ifdef __KERNEL__
 10/* Most things should be clean enough to redefine this at will, if care
 11   is taken to make libc match.  */
 12
 13#define _NSIG		64
 14#define _NSIG_BPW	32
 15#define _NSIG_WORDS	(_NSIG / _NSIG_BPW)
 16
 17typedef unsigned long old_sigset_t;		/* at least 32 bits */
 18
 19typedef struct {
 20	unsigned long sig[_NSIG_WORDS];
 21} sigset_t;
 22
 23#else
 24/* Here we must cater to libcs that poke about in kernel headers.  */
 25
 26#define NSIG		32
 27typedef unsigned long sigset_t;
 28
 29#endif /* __KERNEL__ */
 30
 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
 68
 69/* These should not be considered constants from userland.  */
 70#define SIGRTMIN        32
 71#define SIGRTMAX        _NSIG
 72
 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
 87#define SA_NOCLDSTOP	0x00000001u
 88#define SA_NOCLDWAIT	0x00000002u
 89#define SA_SIGINFO	0x00000004u
 90#define SA_ONSTACK	0x08000000u
 91#define SA_RESTART	0x10000000u
 92#define SA_NODEFER	0x40000000u
 93#define SA_RESETHAND	0x80000000u
 94
 95#define SA_NOMASK	SA_NODEFER
 96#define SA_ONESHOT	SA_RESETHAND
 97
 98#define SA_RESTORER	0x04000000
 99
100/* 
101 * sigaltstack controls
102 */
103#define SS_ONSTACK	1
104#define SS_DISABLE	2
105
106#define MINSIGSTKSZ	2048
107#define SIGSTKSZ	8192
108
109#include <asm-generic/signal-defs.h>
110
111#ifdef __KERNEL__
112struct old_sigaction {
113	__sighandler_t sa_handler;
114	old_sigset_t sa_mask;
115	unsigned long sa_flags;
116	void (*sa_restorer)(void);
117};
118
119struct sigaction {
120	__sighandler_t sa_handler;
121	unsigned long sa_flags;
122	void (*sa_restorer)(void);
123	sigset_t sa_mask;		/* mask last for extensibility */
124};
125
126struct k_sigaction {
127	struct sigaction sa;
128};
129#else
130/* Here we must cater to libcs that poke about in kernel headers.  */
131
132struct sigaction {
133	union {
134	  __sighandler_t _sa_handler;
135	  void (*_sa_sigaction)(int, struct siginfo *, void *);
136	} _u;
137	sigset_t sa_mask;
138	unsigned long sa_flags;
139	void (*sa_restorer)(void);
140};
141
142#define sa_handler	_u._sa_handler
143#define sa_sigaction	_u._sa_sigaction
144
145#endif /* __KERNEL__ */
146
147typedef struct sigaltstack {
148	void *ss_sp;
149	int ss_flags;
150	size_t ss_size;
151} stack_t;
152
153#ifdef __KERNEL__
154#include <asm/sigcontext.h>
155
156/* here we could define asm-optimized sigaddset, sigdelset etc. operations. 
157 * if we don't, generic ones are used from linux/signal.h
158 */
159#define ptrace_signal_deliver(regs, cookie) do { } while (0)
160
161#endif /* __KERNEL__ */
162
163#endif