xref: /linux/arch/parisc/include/uapi/asm/signal.h (revision bb9707077b4ee5f77bc9939b057ff8a0d410296f)
1 #ifndef _UAPI_ASM_PARISC_SIGNAL_H
2 #define _UAPI_ASM_PARISC_SIGNAL_H
3 
4 #define SIGHUP		 1
5 #define SIGINT		 2
6 #define SIGQUIT		 3
7 #define SIGILL		 4
8 #define SIGTRAP		 5
9 #define SIGABRT		 6
10 #define SIGIOT		 6
11 #define SIGSTKFLT	 7
12 #define SIGFPE		 8
13 #define SIGKILL		 9
14 #define SIGBUS		10
15 #define SIGSEGV		11
16 #define SIGXCPU		12
17 #define SIGPIPE		13
18 #define SIGALRM		14
19 #define SIGTERM		15
20 #define SIGUSR1		16
21 #define SIGUSR2		17
22 #define SIGCHLD		18
23 #define SIGPWR		19
24 #define SIGVTALRM	20
25 #define SIGPROF		21
26 #define SIGIO		22
27 #define SIGPOLL		SIGIO
28 #define SIGWINCH	23
29 #define SIGSTOP		24
30 #define SIGTSTP		25
31 #define SIGCONT		26
32 #define SIGTTIN		27
33 #define SIGTTOU		28
34 #define SIGURG		29
35 #define SIGXFSZ		30
36 #define SIGUNUSED	31
37 #define SIGSYS		31 /* Linux doesn't use this */
38 
39 /* These should not be considered constants from userland.  */
40 #define SIGRTMIN	32
41 #define SIGRTMAX	_NSIG /* it's 44 under HP/UX */
42 
43 /*
44  * SA_FLAGS values:
45  *
46  * SA_ONSTACK indicates that a registered stack_t will be used.
47  * SA_RESTART flag to get restarting signals (which were the default long ago)
48  * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
49  * SA_RESETHAND clears the handler when the signal is delivered.
50  * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
51  * SA_NODEFER prevents the current signal from being masked in the handler.
52  *
53  * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
54  * Unix names RESETHAND and NODEFER respectively.
55  */
56 #define SA_ONSTACK	0x00000001
57 #define SA_RESETHAND	0x00000004
58 #define SA_NOCLDSTOP	0x00000008
59 #define SA_SIGINFO	0x00000010
60 #define SA_NODEFER	0x00000020
61 #define SA_RESTART	0x00000040
62 #define SA_NOCLDWAIT	0x00000080
63 #define _SA_SIGGFAULT	0x00000100 /* HPUX */
64 
65 #define SA_NOMASK	SA_NODEFER
66 #define SA_ONESHOT	SA_RESETHAND
67 
68 #define MINSIGSTKSZ	2048
69 #define SIGSTKSZ	8192
70 
71 
72 #define SIG_BLOCK          0	/* for blocking signals */
73 #define SIG_UNBLOCK        1	/* for unblocking signals */
74 #define SIG_SETMASK        2	/* for setting the signal mask */
75 
76 #define SIG_DFL	((__sighandler_t)0)	/* default signal handling */
77 #define SIG_IGN	((__sighandler_t)1)	/* ignore signal */
78 #define SIG_ERR	((__sighandler_t)-1)	/* error return from signal */
79 
80 # ifndef __ASSEMBLY__
81 
82 #  include <linux/types.h>
83 
84 /* Avoid too many header ordering problems.  */
85 struct siginfo;
86 
87 /* Type of a signal handler.  */
88 #if defined(__LP64__)
89 /* function pointers on 64-bit parisc are pointers to little structs and the
90  * compiler doesn't support code which changes or tests the address of
91  * the function in the little struct.  This is really ugly -PB
92  */
93 typedef char __user *__sighandler_t;
94 #else
95 typedef void __signalfn_t(int);
96 typedef __signalfn_t __user *__sighandler_t;
97 #endif
98 
99 typedef struct sigaltstack {
100 	void __user *ss_sp;
101 	int ss_flags;
102 	size_t ss_size;
103 } stack_t;
104 
105 #endif /* !__ASSEMBLY */
106 #endif /* _UAPI_ASM_PARISC_SIGNAL_H */
107