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Edit File: siginfo.h

#ifndef _ASM_GENERIC_SIGINFO_H #define _ASM_GENERIC_SIGINFO_H #include <linux/types.h> typedef union sigval { int sival_int; void *sival_ptr; } sigval_t; /* * This is the size (including padding) of the part of the * struct siginfo that is before the union. */ #ifndef __ARCH_SI_PREAMBLE_SIZE #define __ARCH_SI_PREAMBLE_SIZE (3 * sizeof(int)) #endif #define SI_MAX_SIZE 128 #ifndef SI_PAD_SIZE #define SI_PAD_SIZE ((SI_MAX_SIZE - __ARCH_SI_PREAMBLE_SIZE) / sizeof(int)) #endif #ifndef __ARCH_SI_UID_T #define __ARCH_SI_UID_T __kernel_uid32_t #endif /* * The default "si_band" type is "long", as specified by POSIX. * However, some architectures want to override this to "int" * for historical compatibility reasons, so we allow that. */ #ifndef __ARCH_SI_BAND_T #define __ARCH_SI_BAND_T long #endif #ifndef __ARCH_SI_CLOCK_T #define __ARCH_SI_CLOCK_T __kernel_clock_t #endif #ifndef __ARCH_SI_ATTRIBUTES #define __ARCH_SI_ATTRIBUTES #endif #ifndef HAVE_ARCH_SIGINFO_T typedef struct siginfo { int si_signo; int si_errno; int si_code; 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 */ __ARCH_SI_CLOCK_T _utime; __ARCH_SI_CLOCK_T _stime; } _sigchld; /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */ struct { void *_addr; /* faulting insn/memory ref. */ #ifdef __ARCH_SI_TRAPNO int _trapno; /* TRAP # which caused the signal */ #endif short _addr_lsb; /* LSB of the reported address */ #ifndef __GENKSYMS__ union { /* used when si_code=SEGV_BNDERR */ struct { void *_lower; void *_upper; } _addr_bnd; /* used when si_code=SEGV_PKUERR */ __u32 _pkey; }; #endif } _sigfault; /* SIGPOLL */ struct { __ARCH_SI_BAND_T _band; /* POLL_IN, POLL_OUT, POLL_MSG */ int _fd; } _sigpoll; /* SIGSYS */ struct { void *_call_addr; /* calling user insn */ int _syscall; /* triggering system call number */ unsigned int _arch; /* AUDIT_ARCH_* of syscall */ } _sigsys; } _sifields; } __ARCH_SI_ATTRIBUTES siginfo_t; /* If the arch shares siginfo, then it has SIGSYS. */ #define __ARCH_SIGSYS #endif /* * How these fields are to be accessed. */ #define si_pid _sifields._kill._pid #define si_uid _sifields._kill._uid #define si_tid _sifields._timer._tid #define si_overrun _sifields._timer._overrun #define si_sys_private _sifields._timer._sys_private #define si_status _sifields._sigchld._status #define si_utime _sifields._sigchld._utime #define si_stime _sifields._sigchld._stime #define si_value _sifields._rt._sigval #define si_int _sifields._rt._sigval.sival_int #define si_ptr _sifields._rt._sigval.sival_ptr #define si_addr _sifields._sigfault._addr #ifdef __ARCH_SI_TRAPNO #define si_trapno _sifields._sigfault._trapno #endif #define si_addr_lsb _sifields._sigfault._addr_lsb #define si_lower _sifields._sigfault._addr_bnd._lower #define si_upper _sifields._sigfault._addr_bnd._upper #define si_pkey _sifields._sigfault._pkey #define si_band _sifields._sigpoll._band #define si_fd _sifields._sigpoll._fd #ifdef __ARCH_SIGSYS #define si_call_addr _sifields._sigsys._call_addr #define si_syscall _sifields._sigsys._syscall #define si_arch _sifields._sigsys._arch #endif #define __SI_KILL 0 #define __SI_TIMER 0 #define __SI_POLL 0 #define __SI_FAULT 0 #define __SI_CHLD 0 #define __SI_RT 0 #define __SI_MESGQ 0 #define __SI_SYS 0 #define __SI_CODE(T,N) (N) /* * si_code values * Digital reserves positive values for kernel-generated signals. */ #define SI_USER 0 /* sent by kill, sigsend, raise */ #define SI_KERNEL 0x80 /* sent by the kernel from somewhere */ #define SI_QUEUE -1 /* sent by sigqueue */ #define SI_TIMER __SI_CODE(__SI_TIMER,-2) /* sent by timer expiration */ #define SI_MESGQ __SI_CODE(__SI_MESGQ,-3) /* sent by real time mesq state change */ #define SI_ASYNCIO -4 /* sent by AIO completion */ #define SI_SIGIO -5 /* sent by queued SIGIO */ #define SI_TKILL -6 /* sent by tkill system call */ #define SI_DETHREAD -7 /* sent by execve() killing subsidiary threads */ #define SI_FROMUSER(siptr) ((siptr)->si_code <= 0) #define SI_FROMKERNEL(siptr) ((siptr)->si_code > 0) /* * SIGILL si_codes */ #define ILL_ILLOPC (__SI_FAULT|1) /* illegal opcode */ #define ILL_ILLOPN (__SI_FAULT|2) /* illegal operand */ #define ILL_ILLADR (__SI_FAULT|3) /* illegal addressing mode */ #define ILL_ILLTRP (__SI_FAULT|4) /* illegal trap */ #define ILL_PRVOPC (__SI_FAULT|5) /* privileged opcode */ #define ILL_PRVREG (__SI_FAULT|6) /* privileged register */ #define ILL_COPROC (__SI_FAULT|7) /* coprocessor error */ #define ILL_BADSTK (__SI_FAULT|8) /* internal stack error */ #define NSIGILL 8 /* * SIGFPE si_codes */ #define FPE_INTDIV (__SI_FAULT|1) /* integer divide by zero */ #define FPE_INTOVF (__SI_FAULT|2) /* integer overflow */ #define FPE_FLTDIV (__SI_FAULT|3) /* floating point divide by zero */ #define FPE_FLTOVF (__SI_FAULT|4) /* floating point overflow */ #define FPE_FLTUND (__SI_FAULT|5) /* floating point underflow */ #define FPE_FLTRES (__SI_FAULT|6) /* floating point inexact result */ #define FPE_FLTINV (__SI_FAULT|7) /* floating point invalid operation */ #define FPE_FLTSUB (__SI_FAULT|8) /* subscript out of range */ #define NSIGFPE 8 /* * SIGSEGV si_codes */ #define SEGV_MAPERR (__SI_FAULT|1) /* address not mapped to object */ #define SEGV_ACCERR (__SI_FAULT|2) /* invalid permissions for mapped object */ #define SEGV_BNDERR (__SI_FAULT|3) /* failed address bound checks */ #define SEGV_PKUERR (__SI_FAULT|4) /* failed protection key checks */ #define NSIGSEGV 4 /* * SIGBUS si_codes */ #define BUS_ADRALN (__SI_FAULT|1) /* invalid address alignment */ #define BUS_ADRERR (__SI_FAULT|2) /* non-existent physical address */ #define BUS_OBJERR (__SI_FAULT|3) /* object specific hardware error */ /* hardware memory error consumed on a machine check: action required */ #define BUS_MCEERR_AR (__SI_FAULT|4) /* hardware memory error detected in process but not consumed: action optional*/ #define BUS_MCEERR_AO (__SI_FAULT|5) #define NSIGBUS 5 /* * SIGTRAP si_codes */ #define TRAP_BRKPT (__SI_FAULT|1) /* process breakpoint */ #define TRAP_TRACE (__SI_FAULT|2) /* process trace trap */ #define TRAP_BRANCH (__SI_FAULT|3) /* process taken branch trap */ #define TRAP_HWBKPT (__SI_FAULT|4) /* hardware breakpoint/watchpoint */ #define NSIGTRAP 4 /* * SIGCHLD si_codes */ #define CLD_EXITED (__SI_CHLD|1) /* child has exited */ #define CLD_KILLED (__SI_CHLD|2) /* child was killed */ #define CLD_DUMPED (__SI_CHLD|3) /* child terminated abnormally */ #define CLD_TRAPPED (__SI_CHLD|4) /* traced child has trapped */ #define CLD_STOPPED (__SI_CHLD|5) /* child has stopped */ #define CLD_CONTINUED (__SI_CHLD|6) /* stopped child has continued */ #define NSIGCHLD 6 /* * SIGPOLL si_codes */ #define POLL_IN (__SI_POLL|1) /* data input available */ #define POLL_OUT (__SI_POLL|2) /* output buffers available */ #define POLL_MSG (__SI_POLL|3) /* input message available */ #define POLL_ERR (__SI_POLL|4) /* i/o error */ #define POLL_PRI (__SI_POLL|5) /* high priority input available */ #define POLL_HUP (__SI_POLL|6) /* device disconnected */ #define NSIGPOLL 6 /* * SIGSYS si_codes */ #define SYS_SECCOMP (__SI_SYS|1) /* seccomp triggered */ #define NSIGSYS 1 /* * sigevent definitions * * It seems likely that SIGEV_THREAD will have to be handled from * userspace, libpthread transmuting it to SIGEV_SIGNAL, which the * thread manager then catches and does the appropriate nonsense. * However, everything is written out here so as to not get lost. */ #define SIGEV_SIGNAL 0 /* notify via signal */ #define SIGEV_NONE 1 /* other notification: meaningless */ #define SIGEV_THREAD 2 /* deliver via thread creation */ #define SIGEV_THREAD_ID 4 /* deliver to thread */ /* * This works because the alignment is ok on all current architectures * but we leave open this being overridden in the future */ #ifndef __ARCH_SIGEV_PREAMBLE_SIZE #define __ARCH_SIGEV_PREAMBLE_SIZE (sizeof(int) * 2 + sizeof(sigval_t)) #endif #define SIGEV_MAX_SIZE 64 #define SIGEV_PAD_SIZE ((SIGEV_MAX_SIZE - __ARCH_SIGEV_PREAMBLE_SIZE) \ / sizeof(int)) typedef struct sigevent { sigval_t sigev_value; int sigev_signo; int sigev_notify; union { int _pad[SIGEV_PAD_SIZE]; int _tid; struct { void (*_function)(sigval_t); void *_attribute; /* really pthread_attr_t */ } _sigev_thread; } _sigev_un; } sigevent_t; #define sigev_notify_function _sigev_un._sigev_thread._function #define sigev_notify_attributes _sigev_un._sigev_thread._attribute #define sigev_notify_thread_id _sigev_un._tid #endif /* _ASM_GENERIC_SIGINFO_H */