xref: /openbmc/linux/arch/mips/include/uapi/asm/siginfo.h (revision 80ecbd24)
1 /*
2  * This file is subject to the terms and conditions of the GNU General Public
3  * License.  See the file "COPYING" in the main directory of this archive
4  * for more details.
5  *
6  * Copyright (C) 1998, 1999, 2001, 2003 Ralf Baechle
7  * Copyright (C) 2000, 2001 Silicon Graphics, Inc.
8  */
9 #ifndef _UAPI_ASM_SIGINFO_H
10 #define _UAPI_ASM_SIGINFO_H
11 
12 
13 #define __ARCH_SIGEV_PREAMBLE_SIZE (sizeof(long) + 2*sizeof(int))
14 #undef __ARCH_SI_TRAPNO /* exception code needs to fill this ...  */
15 
16 #define HAVE_ARCH_SIGINFO_T
17 
18 /*
19  * We duplicate the generic versions - <asm-generic/siginfo.h> is just borked
20  * by design ...
21  */
22 #define HAVE_ARCH_COPY_SIGINFO
23 struct siginfo;
24 
25 /*
26  * Careful to keep union _sifields from shifting ...
27  */
28 #if _MIPS_SZLONG == 32
29 #define __ARCH_SI_PREAMBLE_SIZE (3 * sizeof(int))
30 #elif _MIPS_SZLONG == 64
31 #define __ARCH_SI_PREAMBLE_SIZE (4 * sizeof(int))
32 #else
33 #error _MIPS_SZLONG neither 32 nor 64
34 #endif
35 
36 #include <asm-generic/siginfo.h>
37 
38 typedef struct siginfo {
39 	int si_signo;
40 	int si_code;
41 	int si_errno;
42 	int __pad0[SI_MAX_SIZE / sizeof(int) - SI_PAD_SIZE - 3];
43 
44 	union {
45 		int _pad[SI_PAD_SIZE];
46 
47 		/* kill() */
48 		struct {
49 			pid_t _pid;		/* sender's pid */
50 			__ARCH_SI_UID_T _uid;	/* sender's uid */
51 		} _kill;
52 
53 		/* POSIX.1b timers */
54 		struct {
55 			timer_t _tid;		/* timer id */
56 			int _overrun;		/* overrun count */
57 			char _pad[sizeof( __ARCH_SI_UID_T) - sizeof(int)];
58 			sigval_t _sigval;	/* same as below */
59 			int _sys_private;	/* not to be passed to user */
60 		} _timer;
61 
62 		/* POSIX.1b signals */
63 		struct {
64 			pid_t _pid;		/* sender's pid */
65 			__ARCH_SI_UID_T _uid;	/* sender's uid */
66 			sigval_t _sigval;
67 		} _rt;
68 
69 		/* SIGCHLD */
70 		struct {
71 			pid_t _pid;		/* which child */
72 			__ARCH_SI_UID_T _uid;	/* sender's uid */
73 			int _status;		/* exit code */
74 			clock_t _utime;
75 			clock_t _stime;
76 		} _sigchld;
77 
78 		/* IRIX SIGCHLD */
79 		struct {
80 			pid_t _pid;		/* which child */
81 			clock_t _utime;
82 			int _status;		/* exit code */
83 			clock_t _stime;
84 		} _irix_sigchld;
85 
86 		/* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
87 		struct {
88 			void __user *_addr; /* faulting insn/memory ref. */
89 #ifdef __ARCH_SI_TRAPNO
90 			int _trapno;	/* TRAP # which caused the signal */
91 #endif
92 			short _addr_lsb;
93 		} _sigfault;
94 
95 		/* SIGPOLL, SIGXFSZ (To do ...)	 */
96 		struct {
97 			__ARCH_SI_BAND_T _band; /* POLL_IN, POLL_OUT, POLL_MSG */
98 			int _fd;
99 		} _sigpoll;
100 	} _sifields;
101 } siginfo_t;
102 
103 /*
104  * si_code values
105  * Again these have been chosen to be IRIX compatible.
106  */
107 #undef SI_ASYNCIO
108 #undef SI_TIMER
109 #undef SI_MESGQ
110 #define SI_ASYNCIO	-2	/* sent by AIO completion */
111 #define SI_TIMER __SI_CODE(__SI_TIMER, -3) /* sent by timer expiration */
112 #define SI_MESGQ __SI_CODE(__SI_MESGQ, -4) /* sent by real time mesq state change */
113 
114 
115 #endif /* _UAPI_ASM_SIGINFO_H */
116