xref: /openbmc/linux/arch/parisc/include/uapi/asm/signal.h (revision 55fd7e02)
1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef _UAPI_ASM_PARISC_SIGNAL_H
3 #define _UAPI_ASM_PARISC_SIGNAL_H
4 
5 #define SIGHUP		 1
6 #define SIGINT		 2
7 #define SIGQUIT		 3
8 #define SIGILL		 4
9 #define SIGTRAP		 5
10 #define SIGABRT		 6
11 #define SIGIOT		 6
12 #define SIGSTKFLT	 7
13 #define SIGFPE		 8
14 #define SIGKILL		 9
15 #define SIGBUS		10
16 #define SIGSEGV		11
17 #define SIGXCPU		12
18 #define SIGPIPE		13
19 #define SIGALRM		14
20 #define SIGTERM		15
21 #define SIGUSR1		16
22 #define SIGUSR2		17
23 #define SIGCHLD		18
24 #define SIGPWR		19
25 #define SIGVTALRM	20
26 #define SIGPROF		21
27 #define SIGIO		22
28 #define SIGPOLL		SIGIO
29 #define SIGWINCH	23
30 #define SIGSTOP		24
31 #define SIGTSTP		25
32 #define SIGCONT		26
33 #define SIGTTIN		27
34 #define SIGTTOU		28
35 #define SIGURG		29
36 #define SIGXFSZ		30
37 #define SIGUNUSED	31
38 #define SIGSYS		31 /* Linux doesn't use this */
39 
40 /* These should not be considered constants from userland.  */
41 #define SIGRTMIN	32
42 #define SIGRTMAX	_NSIG /* it's 44 under HP/UX */
43 
44 /*
45  * SA_FLAGS values:
46  *
47  * SA_ONSTACK indicates that a registered stack_t will be used.
48  * SA_RESTART flag to get restarting signals (which were the default long ago)
49  * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
50  * SA_RESETHAND clears the handler when the signal is delivered.
51  * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
52  * SA_NODEFER prevents the current signal from being masked in the handler.
53  *
54  * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
55  * Unix names RESETHAND and NODEFER respectively.
56  */
57 #define SA_ONSTACK	0x00000001
58 #define SA_RESETHAND	0x00000004
59 #define SA_NOCLDSTOP	0x00000008
60 #define SA_SIGINFO	0x00000010
61 #define SA_NODEFER	0x00000020
62 #define SA_RESTART	0x00000040
63 #define SA_NOCLDWAIT	0x00000080
64 #define _SA_SIGGFAULT	0x00000100 /* HPUX */
65 
66 #define SA_NOMASK	SA_NODEFER
67 #define SA_ONESHOT	SA_RESETHAND
68 
69 #define MINSIGSTKSZ	2048
70 #define SIGSTKSZ	8192
71 
72 
73 #define SIG_BLOCK          0	/* for blocking signals */
74 #define SIG_UNBLOCK        1	/* for unblocking signals */
75 #define SIG_SETMASK        2	/* for setting the signal mask */
76 
77 #define SIG_DFL	((__sighandler_t)0)	/* default signal handling */
78 #define SIG_IGN	((__sighandler_t)1)	/* ignore signal */
79 #define SIG_ERR	((__sighandler_t)-1)	/* error return from signal */
80 
81 # ifndef __ASSEMBLY__
82 
83 #  include <linux/types.h>
84 
85 /* Avoid too many header ordering problems.  */
86 struct siginfo;
87 
88 /* Type of a signal handler.  */
89 #if defined(__LP64__)
90 /* function pointers on 64-bit parisc are pointers to little structs and the
91  * compiler doesn't support code which changes or tests the address of
92  * the function in the little struct.  This is really ugly -PB
93  */
94 typedef char __user *__sighandler_t;
95 #else
96 typedef void __signalfn_t(int);
97 typedef __signalfn_t __user *__sighandler_t;
98 #endif
99 
100 typedef struct sigaltstack {
101 	void __user *ss_sp;
102 	int ss_flags;
103 	size_t ss_size;
104 } stack_t;
105 
106 #endif /* !__ASSEMBLY */
107 #endif /* _UAPI_ASM_PARISC_SIGNAL_H */
108