[GitHub/mt8127/android_kernel_alcatel_ttab.git] / arch / mips / include / asm / siginfo.h

/*
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * Copyright (C) 1998, 1999, 2001, 2003 Ralf Baechle
 * Copyright (C) 2000, 2001 Silicon Graphics, Inc.
 */
#ifndef _ASM_SIGINFO_H
#define _ASM_SIGINFO_H


#define __ARCH_SIGEV_PREAMBLE_SIZE (sizeof(long) + 2*sizeof(int))
#undef __ARCH_SI_TRAPNO	/* exception code needs to fill this ...  */

#define HAVE_ARCH_SIGINFO_T

/*
 * We duplicate the generic versions - <asm-generic/siginfo.h> is just borked
 * by design ...
 */
#define HAVE_ARCH_COPY_SIGINFO
struct siginfo;

/*
 * Careful to keep union _sifields from shifting ...
 */
#ifdef CONFIG_32BIT
#define __ARCH_SI_PREAMBLE_SIZE (3 * sizeof(int))
#endif
#ifdef CONFIG_64BIT
#define __ARCH_SI_PREAMBLE_SIZE (4 * sizeof(int))
#endif

#include <asm-generic/siginfo.h>

typedef struct siginfo {
	int si_signo;
	int si_code;
	int si_errno;
	int __pad0[SI_MAX_SIZE / sizeof(int) - SI_PAD_SIZE - 3];

	union {
		int _pad[SI_PAD_SIZE];

		/* kill() */
		struct {
			pid_t _pid;		/* sender's pid */
			__ARCH_SI_UID_T _uid;	/* sender's uid */
		} _kill;

		/* POSIX.1b timers */
		struct {
			timer_t _tid;		/* timer id */
			int _overrun;		/* overrun count */
			char _pad[sizeof( __ARCH_SI_UID_T) - sizeof(int)];
			sigval_t _sigval;	/* same as below */
			int _sys_private;       /* not to be passed to user */
		} _timer;

		/* POSIX.1b signals */
		struct {
			pid_t _pid;		/* sender's pid */
			__ARCH_SI_UID_T _uid;	/* sender's uid */
			sigval_t _sigval;
		} _rt;

		/* SIGCHLD */
		struct {
			pid_t _pid;		/* which child */
			__ARCH_SI_UID_T _uid;	/* sender's uid */
			int _status;		/* exit code */
			clock_t _utime;
			clock_t _stime;
		} _sigchld;

		/* IRIX SIGCHLD */
		struct {
			pid_t _pid;		/* which child */
			clock_t _utime;
			int _status;		/* exit code */
			clock_t _stime;
		} _irix_sigchld;

		/* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
		struct {
			void __user *_addr; /* faulting insn/memory ref. */
#ifdef __ARCH_SI_TRAPNO
			int _trapno;	/* TRAP # which caused the signal */
#endif
			short _addr_lsb;
		} _sigfault;

		/* SIGPOLL, SIGXFSZ (To do ...)  */
		struct {
			__ARCH_SI_BAND_T _band;	/* POLL_IN, POLL_OUT, POLL_MSG */
			int _fd;
		} _sigpoll;
	} _sifields;
} siginfo_t;

/*
 * si_code values
 * Again these have been chosen to be IRIX compatible.
 */
#undef SI_ASYNCIO
#undef SI_TIMER
#undef SI_MESGQ
#define SI_ASYNCIO	-2	/* sent by AIO completion */
#define SI_TIMER __SI_CODE(__SI_TIMER, -3) /* sent by timer expiration */
#define SI_MESGQ __SI_CODE(__SI_MESGQ, -4) /* sent by real time mesq state change */

#ifdef __KERNEL__

/*
 * Duplicated here because of <asm-generic/siginfo.h> braindamage ...
 */
#include <linux/string.h>

static inline void copy_siginfo(struct siginfo *to, struct siginfo *from)
{
	if (from->si_code < 0)
		memcpy(to, from, sizeof(*to));
	else
		/* _sigchld is currently the largest know union member */
		memcpy(to, from, 3*sizeof(int) + sizeof(from->_sifields._sigchld));
}

#endif

#endif /* _ASM_SIGINFO_H */
Commit	Line	Data
1da177e4 LT	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 _ASM_SIGINFO_H
	10	#define _ASM_SIGINFO_H
	11
1da177e4	12
629c83f8	13	#define __ARCH_SIGEV_PREAMBLE_SIZE (sizeof(long) + 2*sizeof(int))
1da177e4 LT	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	*/
875d43e7	28	#ifdef CONFIG_32BIT
1da177e4 LT	29	#define __ARCH_SI_PREAMBLE_SIZE (3 * sizeof(int))
1da177e4 LT	30	#endif
875d43e7	31	#ifdef CONFIG_64BIT
1da177e4 LT	32	#define __ARCH_SI_PREAMBLE_SIZE (4 * sizeof(int))
	33	#endif
	34
	35	#include <asm-generic/siginfo.h>
	36
	37	typedef struct siginfo {
	38	int si_signo;
	39	int si_code;
	40	int si_errno;
	41	int __pad0[SI_MAX_SIZE / sizeof(int) - SI_PAD_SIZE - 3];
	42
	43	union {
	44	int _pad[SI_PAD_SIZE];
	45
	46	/* kill() */
	47	struct {
	48	pid_t _pid; /* sender's pid */
	49	__ARCH_SI_UID_T _uid; /* sender's uid */
	50	} _kill;
	51
	52	/* POSIX.1b timers */
	53	struct {
	54	timer_t _tid; /* timer id */
	55	int _overrun; /* overrun count */
	56	char _pad[sizeof( __ARCH_SI_UID_T) - sizeof(int)];
	57	sigval_t _sigval; /* same as below */
	58	int _sys_private; /* not to be passed to user */
	59	} _timer;
	60
	61	/* POSIX.1b signals */
	62	struct {
	63	pid_t _pid; /* sender's pid */
	64	__ARCH_SI_UID_T _uid; /* sender's uid */
	65	sigval_t _sigval;
	66	} _rt;
	67
	68	/* SIGCHLD */
	69	struct {
	70	pid_t _pid; /* which child */
	71	__ARCH_SI_UID_T _uid; /* sender's uid */
	72	int _status; /* exit code */
	73	clock_t _utime;
	74	clock_t _stime;
	75	} _sigchld;
	76
	77	/* IRIX SIGCHLD */
	78	struct {
	79	pid_t _pid; /* which child */
	80	clock_t _utime;
	81	int _status; /* exit code */
	82	clock_t _stime;
	83	} _irix_sigchld;
	84
	85	/* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
	86	struct {
	87	void __user _addr; / faulting insn/memory ref. */
	88	#ifdef __ARCH_SI_TRAPNO
	89	int _trapno; /* TRAP # which caused the signal */
	90	#endif
e92ba6d2	91	short _addr_lsb;
1da177e4 LT	92	} _sigfault;
	93
	94	/* SIGPOLL, SIGXFSZ (To do ...) */
	95	struct {
	96	__ARCH_SI_BAND_T _band; /* POLL_IN, POLL_OUT, POLL_MSG */
	97	int _fd;
	98	} _sigpoll;
	99	} _sifields;
	100	} siginfo_t;
	101
	102	/*
	103	* si_code values
25985edc	104	* Again these have been chosen to be IRIX compatible.
1da177e4 LT	105	*/
	106	#undef SI_ASYNCIO
	107	#undef SI_TIMER
	108	#undef SI_MESGQ
	109	#define SI_ASYNCIO -2 /* sent by AIO completion */
21a151d8 RB	110	#define SI_TIMER __SI_CODE(__SI_TIMER, -3) /* sent by timer expiration */
21a151d8 RB	111	#define SI_MESGQ __SI_CODE(__SI_MESGQ, -4) /* sent by real time mesq state change */
1da177e4 LT	112
	113	#ifdef __KERNEL__
	114
	115	/*
	116	* Duplicated here because of <asm-generic/siginfo.h> braindamage ...
	117	*/
	118	#include <linux/string.h>
	119
	120	static inline void copy_siginfo(struct siginfo to, struct siginfo from)
	121	{
	122	if (from->si_code < 0)
	123	memcpy(to, from, sizeof(*to));
	124	else
	125	/* _sigchld is currently the largest know union member */
	126	memcpy(to, from, 3*sizeof(int) + sizeof(from->_sifields._sigchld));
	127	}
	128
	129	#endif
	130
	131	#endif /* _ASM_SIGINFO_H */