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kernel/linux-rt-4.4.41/arch/mips/include/uapi/asm/siginfo.h 2.99 KB
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  /*
   * 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;
  			struct {
  				void __user *_lower;
  				void __user *_upper;
  			} _addr_bnd;
  		} _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 __SI_CODE(__SI_TIMER, -3) /* sent by timer expiration */
  #define SI_MESGQ __SI_CODE(__SI_MESGQ, -4) /* sent by real time mesq state change */
  
  #endif /* _UAPI_ASM_SIGINFO_H */