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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [include/] [asm-or32/] [siginfo.h] - Blame information for rev 1774

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1 1276 phoenix
#ifndef _OR32_SIGINFO_H
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#define _OR32_SIGINFO_H
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/* Copied from i386 from alpha from PPC. */
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typedef union sigval {
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        int sival_int;
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        void *sival_ptr;
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} sigval_t;
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#define SI_MAX_SIZE     128
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#define SI_PAD_SIZE     ((SI_MAX_SIZE/sizeof(int)) - 3)
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typedef struct siginfo {
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        int si_signo;
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        int si_errno;
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        int si_code;
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        union {
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                int _pad[SI_PAD_SIZE];
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                /* kill() */
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                struct {
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                        pid_t _pid;             /* sender's pid */
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                        uid_t _uid;             /* sender's uid */
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                } _kill;
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                /* POSIX.1b timers */
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                struct {
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                        unsigned int _timer1;
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                        unsigned int _timer2;
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                } _timer;
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                /* POSIX.1b signals */
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                struct {
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                        pid_t _pid;             /* sender's pid */
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                        uid_t _uid;             /* sender's uid */
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                        sigval_t _sigval;
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                } _rt;
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                /* SIGCHLD */
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                struct {
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                        pid_t _pid;             /* which child */
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                        uid_t _uid;             /* sender's uid */
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                        int _status;            /* exit code */
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                        clock_t _utime;
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                        clock_t _stime;
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                } _sigchld;
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                /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
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                struct {
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                        void *_addr; /* faulting insn/memory ref. */
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                } _sigfault;
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                /* SIGPOLL */
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                struct {
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                        int _band;      /* POLL_IN, POLL_OUT, POLL_MSG */
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                        int _fd;
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                } _sigpoll;
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        } _sifields;
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} siginfo_t;
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/*
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 * How these fields are to be accessed.
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 */
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#define si_pid          _sifields._kill._pid
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#define si_uid          _sifields._kill._uid
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#define si_status       _sifields._sigchld._status
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#define si_utime        _sifields._sigchld._utime
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#define si_stime        _sifields._sigchld._stime
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#define si_value        _sifields._rt._sigval
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#define si_int          _sifields._rt._sigval.sival_int
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#define si_ptr          _sifields._rt._sigval.sival_ptr
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#define si_addr         _sifields._sigfault._addr
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#define si_band         _sifields._sigpoll._band
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#define si_fd           _sifields._sigpoll._fd
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#ifdef __KERNEL__
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#define __SI_MASK       0xffff0000
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#define __SI_KILL       (0 << 16)
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#define __SI_TIMER      (1 << 16)
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#define __SI_POLL       (2 << 16)
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#define __SI_FAULT      (3 << 16)
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#define __SI_CHLD       (4 << 16)
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#define __SI_RT         (5 << 16)
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#define __SI_CODE(T,N)  ((T) << 16 | ((N) & 0xffff))
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#else
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#define __SI_KILL       0
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#define __SI_TIMER      0
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#define __SI_POLL       0
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#define __SI_FAULT      0
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#define __SI_CHLD       0
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#define __SI_RT         0
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#define __SI_CODE(T,N)  (N)
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#endif
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/*
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 * si_code values
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 * Digital reserves positive values for kernel-generated signals.
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 */
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#define SI_USER         0                /* sent by kill, sigsend, raise */
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#define SI_KERNEL       0x80            /* sent by the kernel from somewhere */
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#define SI_QUEUE        -1              /* sent by sigqueue */
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#define SI_TIMER __SI_CODE(__SI_TIMER,-2) /* sent by timer expiration */
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#define SI_MESGQ        -3              /* sent by real time mesq state change */
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#define SI_ASYNCIO      -4              /* sent by AIO completion */
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#define SI_SIGIO        -5              /* sent by queued SIGIO */
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#define SI_TKILL        -6              /* sent by tkill system call */
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#define SI_FROMUSER(siptr)      ((siptr)->si_code <= 0)
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#define SI_FROMKERNEL(siptr)    ((siptr)->si_code > 0)
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/*
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 * SIGILL si_codes
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 */
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#define ILL_ILLOPC      (__SI_FAULT|1)  /* illegal opcode */
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#define ILL_ILLOPN      (__SI_FAULT|2)  /* illegal operand */
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#define ILL_ILLADR      (__SI_FAULT|3)  /* illegal addressing mode */
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#define ILL_ILLTRP      (__SI_FAULT|4)  /* illegal trap */
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#define ILL_PRVOPC      (__SI_FAULT|5)  /* privileged opcode */
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#define ILL_PRVREG      (__SI_FAULT|6)  /* privileged register */
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#define ILL_COPROC      (__SI_FAULT|7)  /* coprocessor error */
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#define ILL_BADSTK      (__SI_FAULT|8)  /* internal stack error */
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#define NSIGILL         8
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/*
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 * SIGFPE si_codes
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 */
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#define FPE_INTDIV      (__SI_FAULT|1)  /* integer divide by zero */
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#define FPE_INTOVF      (__SI_FAULT|2)  /* integer overflow */
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#define FPE_FLTDIV      (__SI_FAULT|3)  /* floating point divide by zero */
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#define FPE_FLTOVF      (__SI_FAULT|4)  /* floating point overflow */
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#define FPE_FLTUND      (__SI_FAULT|5)  /* floating point underflow */
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#define FPE_FLTRES      (__SI_FAULT|6)  /* floating point inexact result */
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#define FPE_FLTINV      (__SI_FAULT|7)  /* floating point invalid operation */
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#define FPE_FLTSUB      (__SI_FAULT|8)  /* subscript out of range */
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#define NSIGFPE         8
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/*
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 * SIGSEGV si_codes
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 */
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#define SEGV_MAPERR     (__SI_FAULT|1)  /* address not mapped to object */
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#define SEGV_ACCERR     (__SI_FAULT|2)  /* invalid permissions for mapped object */
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#define NSIGSEGV        2
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/*
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 * SIGBUS si_codes
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 */
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#define BUS_ADRALN      (__SI_FAULT|1)  /* invalid address alignment */
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#define BUS_ADRERR      (__SI_FAULT|2)  /* non-existant physical address */
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#define BUS_OBJERR      (__SI_FAULT|3)  /* object specific hardware error */
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#define NSIGBUS         3
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/*
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 * SIGTRAP si_codes
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 */
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#define TRAP_BRKPT      (__SI_FAULT|1)  /* process breakpoint */
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#define TRAP_TRACE      (__SI_FAULT|2)  /* process trace trap */
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#define NSIGTRAP        2
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/*
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 * SIGCHLD si_codes
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 */
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#define CLD_EXITED      (__SI_CHLD|1)   /* child has exited */
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#define CLD_KILLED      (__SI_CHLD|2)   /* child was killed */
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#define CLD_DUMPED      (__SI_CHLD|3)   /* child terminated abnormally */
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#define CLD_TRAPPED     (__SI_CHLD|4)   /* traced child has trapped */
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#define CLD_STOPPED     (__SI_CHLD|5)   /* child has stopped */
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#define CLD_CONTINUED   (__SI_CHLD|6)   /* stopped child has continued */
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#define NSIGCHLD        6
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/*
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 * SIGPOLL si_codes
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 */
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#define POLL_IN         (__SI_POLL|1)   /* data input available */
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#define POLL_OUT        (__SI_POLL|2)   /* output buffers available */
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#define POLL_MSG        (__SI_POLL|3)   /* input message available */
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#define POLL_ERR        (__SI_POLL|4)   /* i/o error */
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#define POLL_PRI        (__SI_POLL|5)   /* high priority input available */
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#define POLL_HUP        (__SI_POLL|6)   /* device disconnected */
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#define NSIGPOLL        6
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/*
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 * sigevent definitions
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 *
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 * It seems likely that SIGEV_THREAD will have to be handled from
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 * userspace, libpthread transmuting it to SIGEV_SIGNAL, which the
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 * thread manager then catches and does the appropriate nonsense.
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 * However, everything is written out here so as to not get lost.
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 */
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#define SIGEV_SIGNAL    0        /* notify via signal */
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#define SIGEV_NONE      1       /* other notification: meaningless */
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#define SIGEV_THREAD    2       /* deliver via thread creation */
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#define SIGEV_MAX_SIZE  64
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#define SIGEV_PAD_SIZE  ((SIGEV_MAX_SIZE/sizeof(int)) - 3)
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typedef struct sigevent {
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        sigval_t sigev_value;
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        int sigev_signo;
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        int sigev_notify;
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        union {
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                int _pad[SIGEV_PAD_SIZE];
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                struct {
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                        void (*_function)(sigval_t);
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                        void *_attribute;       /* really pthread_attr_t */
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                } _sigev_thread;
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        } _sigev_un;
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} sigevent_t;
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#define sigev_notify_function   _sigev_un._sigev_thread._function
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#define sigev_notify_attributes _sigev_un._sigev_thread._attribute
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#ifdef __KERNEL__
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#include <linux/string.h>
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extern inline void copy_siginfo(siginfo_t *to, siginfo_t *from)
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{
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        if (from->si_code < 0)
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                memcpy(to, from, sizeof(siginfo_t));
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        else
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                /* _sigchld is currently the largest know union member */
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                memcpy(to, from, 3*sizeof(int) + sizeof(from->_sifields._sigchld));
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}
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extern int copy_siginfo_to_user(siginfo_t *to, siginfo_t *from);
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#endif /* __KERNEL__ */
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#endif

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