i386/klibc/archsignal.h

/*
 * arch/i386/include/klibc/archsignal.h
 *
 * Architecture-specific signal definitions
 *
 */

#ifndef _KLIBC_ARCHSIGNAL_H
#define _KLIBC_ARCHSIGNAL_H

/* The in-kernel headers for i386 still have libc5
   crap in them.  Reconsider using <asm/signal.h>
   when/if it gets cleaned up; for now, duplicate
   the definitions here. */

#define _NSIG           64
#define _NSIG_BPW       32
#define _NSIG_WORDS     (_NSIG / _NSIG_BPW)

typedef struct {
	unsigned long sig[_NSIG_WORDS];
} sigset_t;

#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 SIGPWR          30
#define SIGSYS          31
#define SIGUNUSED       31

#define SIGRTMIN        32
#define SIGRTMAX        (_NSIG-1)

/*
 * 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	0x00000001u
#define SA_NOCLDWAIT	0x00000002u
#define SA_SIGINFO	0x00000004u
#define SA_ONSTACK	0x08000000u
#define SA_RESTART	0x10000000u
#define SA_NODEFER	0x40000000u
#define SA_RESETHAND	0x80000000u

#define SA_NOMASK	SA_NODEFER
#define SA_ONESHOT	SA_RESETHAND
#define SA_INTERRUPT	0x20000000	/* dummy -- ignored */

#define SA_RESTORER	0x04000000

/*
 * sigaltstack controls
 */
#define SS_ONSTACK	1
#define SS_DISABLE	2

#define MINSIGSTKSZ	2048
#define SIGSTKSZ	8192

#include <asm-generic/signal-defs.h>

/* This uses gcc anonymous union support... */
struct siginfo;

struct sigaction {
	union {
		__sighandler_t sa_handler;
		void (*sa_sigaction)(int, struct siginfo *, void *);
	};
	unsigned long	sa_flags;
	__sigrestore_t 	sa_restorer;
	sigset_t	sa_mask;
};

#endif
1	/*
2	* arch/i386/include/klibc/archsignal.h
3	*
4	* Architecture-specific signal definitions
5	*
6	*/
7
8	#ifndef _KLIBC_ARCHSIGNAL_H
9	#define _KLIBC_ARCHSIGNAL_H
10
11	/* The in-kernel headers for i386 still have libc5
12	crap in them. Reconsider using <asm/signal.h>
13	when/if it gets cleaned up; for now, duplicate
14	the definitions here. */
15
16	#define _NSIG 64
17	#define _NSIG_BPW 32
18	#define _NSIG_WORDS (_NSIG / _NSIG_BPW)
19
20	typedef struct {
21	unsigned long sig[_NSIG_WORDS];
22	} sigset_t;
23
24	#define SIGHUP 1
25	#define SIGINT 2
26	#define SIGQUIT 3
27	#define SIGILL 4
28	#define SIGTRAP 5
29	#define SIGABRT 6
30	#define SIGIOT 6
31	#define SIGBUS 7
32	#define SIGFPE 8
33	#define SIGKILL 9
34	#define SIGUSR1 10
35	#define SIGSEGV 11
36	#define SIGUSR2 12
37	#define SIGPIPE 13
38	#define SIGALRM 14
39	#define SIGTERM 15
40	#define SIGSTKFLT 16
41	#define SIGCHLD 17
42	#define SIGCONT 18
43	#define SIGSTOP 19
44	#define SIGTSTP 20
45	#define SIGTTIN 21
46	#define SIGTTOU 22
47	#define SIGURG 23
48	#define SIGXCPU 24
49	#define SIGXFSZ 25
50	#define SIGVTALRM 26
51	#define SIGPROF 27
52	#define SIGWINCH 28
53	#define SIGIO 29
54	#define SIGPOLL SIGIO
55	#define SIGPWR 30
56	#define SIGSYS 31
57	#define SIGUNUSED 31
58
59	#define SIGRTMIN 32
60	#define SIGRTMAX (_NSIG-1)
61
62	/*
63	* SA_FLAGS values:
64	*
65	* SA_ONSTACK indicates that a registered stack_t will be used.
66	* SA_INTERRUPT is a no-op, but left due to historical reasons. Use the
67	* SA_RESTART flag to get restarting signals (which were the default long ago)
68	* SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
69	* SA_RESETHAND clears the handler when the signal is delivered.
70	* SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
71	* SA_NODEFER prevents the current signal from being masked in the handler.
72	*
73	* SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
74	* Unix names RESETHAND and NODEFER respectively.
75	*/
76	#define SA_NOCLDSTOP 0x00000001u
77	#define SA_NOCLDWAIT 0x00000002u
78	#define SA_SIGINFO 0x00000004u
79	#define SA_ONSTACK 0x08000000u
80	#define SA_RESTART 0x10000000u
81	#define SA_NODEFER 0x40000000u
82	#define SA_RESETHAND 0x80000000u
83
84	#define SA_NOMASK SA_NODEFER
85	#define SA_ONESHOT SA_RESETHAND
86	#define SA_INTERRUPT 0x20000000 /* dummy -- ignored */
87
88	#define SA_RESTORER 0x04000000
89
90	/*
91	* sigaltstack controls
92	*/
93	#define SS_ONSTACK 1
94	#define SS_DISABLE 2
95
96	#define MINSIGSTKSZ 2048
97	#define SIGSTKSZ 8192
98
99	#include <asm-generic/signal-defs.h>
100
101	/* This uses gcc anonymous union support... */
102	struct siginfo;
103
104	struct sigaction {
105	union {
106	__sighandler_t sa_handler;
107	void (sa_sigaction)(int, struct siginfo , void *);
108	};
109	unsigned long sa_flags;
110	__sigrestore_t sa_restorer;
111	sigset_t sa_mask;
112	};
113
114	#endif