/* * 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 } _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 choosen 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 */