cregit-Linux how code gets into the kernel

Release 4.14 arch/mips/include/uapi/asm/siginfo.h

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
 * 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 _UAPI_ASM_SIGINFO_H

#define _UAPI_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

/*
 * Careful to keep union _sifields from shifting ...
 */
#if _MIPS_SZLONG == 32

#define __ARCH_SI_PREAMBLE_SIZE (3 * sizeof(int))
#elif _MIPS_SZLONG == 64

#define __ARCH_SI_PREAMBLE_SIZE (4 * sizeof(int))
#else
#error _MIPS_SZLONG neither 32 nor 64
#endif


#define __ARCH_SIGSYS

#include <asm-generic/siginfo.h>

/* We can't use generic siginfo_t, because our si_code and si_errno are swapped */

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 {
			
__kernel_pid_t _pid;	/* sender's pid */
			
__ARCH_SI_UID_T _uid;	/* sender's uid */
		
} _kill;

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

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

		/* IRIX SIGCHLD */
		struct {
			
__kernel_pid_t _pid;	/* which child */
			
__kernel_clock_t _utime;
			
int _status;		/* exit code */
			
__kernel_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;
			union {
				/* used when si_code=SEGV_BNDERR */
				struct {
					
void __user *_lower;
					
void __user *_upper;
				
} _addr_bnd;
				/* used when si_code=SEGV_PKUERR */
				
__u32 _pkey;
			};
		
} _sigfault;

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

		/* SIGSYS */
		struct {
			
void __user *_call_addr; /* calling user insn */
			
int _syscall;	/* triggering system call number */
			
unsigned int _arch;	/* AUDIT_ARCH_* of syscall */
		
} _sigsys;
	
} _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	-3	
/* sent by timer expiration */

#define SI_MESGQ	-4	
/* sent by real time mesq state change */

#endif /* _UAPI_ASM_SIGINFO_H */

Overall Contributors

PersonTokensPropCommitsCommitProp
David Howells23775.24%17.69%
Ralf Bächle299.21%323.08%
Qiaowei Ren154.76%17.69%
Maciej W. Rozycki113.49%17.69%
James Hogan103.17%215.38%
Dave Hansen92.86%215.38%
Eric W. Biedermann20.63%17.69%
Greg Kroah-Hartman10.32%17.69%
Petr Malat10.32%17.69%
Total315100.00%13100.00%
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