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Include/asm-i386/siginfo.h


11835 #ifndef _I386_SIGINFO_H 11836 #define _I386_SIGINFO_H 11837 11838 #include <linux/types.h> 11839 11840 /* XXX: This structure was copied from the Alpha; is 11841 * there an iBCS version? */ 11842 11843 typedef union sigval { 11844 int sival_int; 11845 void *sival_ptr; 11846 } sigval_t; 11847 11848 #define SI_MAX_SIZE 128 11849 #define SI_PAD_SIZE ((SI_MAX_SIZE/sizeof(int)) - 3) 11850

11851 typedef struct siginfo { 11852 int si_signo; 11853 int si_errno; 11854 int si_code; 11855 11856 union { 11857 int _pad[SI_PAD_SIZE]; 11858 11859 /* kill() */ 11860 struct { 11861 pid_t _pid; /* sender's pid */ 11862 uid_t _uid; /* sender's uid */ 11863 } _kill; 11864 11865 /* POSIX.1b timers */ 11866 struct { 11867 unsigned int _timer1; 11868 unsigned int _timer2; 11869 } _timer; 11870 11871 /* POSIX.1b signals */ 11872 struct { 11873 pid_t _pid; /* sender's pid */ 11874 uid_t _uid; /* sender's uid */ 11875 sigval_t _sigval; 11876 } _rt; 11877 11878 /* SIGCHLD */ 11879 struct { 11880 pid_t _pid; /* which child */ 11881 uid_t _uid; /* sender's uid */ 11882 int _status; /* exit code */ 11883 clock_t _utime; 11884 clock_t _stime; 11885 } _sigchld; 11886 11887 /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */ 11888 struct { 11889 void *_addr; /* faulting insn/memory ref. */ 11890 } _sigfault; 11891 11892 /* SIGPOLL */ 11893 struct { 11894 int _band; /* POLL_IN, POLL_OUT, POLL_MSG */ 11895 int _fd; 11896 } _sigpoll; 11897 } _sifields; 11898 } siginfo_t; 11899 11900 /* How these fields are to be accessed. */ 11901 #define si_pid _sifields._kill._pid 11902 #define si_uid _sifields._kill._uid 11903 #define si_status _sifields._sigchld._status 11904 #define si_utime _sifields._sigchld._utime 11905 #define si_stime _sifields._sigchld._stime 11906 #define si_value _sifields._rt._sigval 11907 #define si_int _sifields._rt._sigval.sival_int 11908 #define si_ptr _sifields._rt._sigval.sival_ptr 11909 #define si_addr _sifields._sigfault._addr 11910 #define si_band _sifields._sigpoll._band 11911 #define si_fd _sifields._sigpoll._fd 11912 11913 /* si_code values Digital reserves positive values for 11914 * kernel-generated signals. */ 11915 #define SI_USER 0 /* sent by kill/sigsend/raise */ 11916 #define SI_KERNEL 0x80 /* sent by the kernel */ 11917 #define SI_QUEUE -1 /* sent by sigqueue */ 11918 #define SI_TIMER -2 /* sent by timer expiration */ 11919 #define SI_MESGQ -3 /* sent by RT mesq state chg */ 11920 #define SI_ASYNCIO -4 /* sent by AIO completion */ 11921 #define SI_SIGIO -5 /* sent by queued SIGIO */ 11922 11923 #define SI_FROMUSER(siptr) ((siptr)->si_code <= 0) 11924 #define SI_FROMKERNEL(siptr) ((siptr)->si_code > 0) 11925 11926 /* SIGILL si_codes */ 11927 #define ILL_ILLOPC 1 /* illegal opcode */ 11928 #define ILL_ILLOPN 2 /* illegal operand */ 11929 #define ILL_ILLADR 3 /* illegal addressing mode */ 11930 #define ILL_ILLTRP 4 /* illegal trap */ 11931 #define ILL_PRVOPC 5 /* privileged opcode */ 11932 #define ILL_PRVREG 6 /* privileged register */ 11933 #define ILL_COPROC 7 /* coprocessor error */ 11934 #define ILL_BADSTK 8 /* internal stack error */ 11935 #define NSIGILL 8 11936 11937 /* SIGFPE si_codes */ 11938 #define FPE_INTDIV 1 /* integer divide by zero */ 11939 #define FPE_INTOVF 2 /* integer overflow */ 11940 #define FPE_FLTDIV 3 /* floating point divide by zero */ 11941 #define FPE_FLTOVF 4 /* floating point overflow */ 11942 #define FPE_FLTUND 5 /* floating point underflow */ 11943 #define FPE_FLTRES 6 /* floating point inexact result */ 11944 #define FPE_FLTINV 7 /* floating point invalid op */ 11945 #define FPE_FLTSUB 8 /* subscript out of range */ 11946 #define NSIGFPE 8 11947 11948 /* SIGSEGV si_codes */ 11949 #define SEGV_MAPERR 1 /* address not mapped to object */ 11950 #define SEGV_ACCERR 2 /* invalid perms for mapped obj */ 11951 #define NSIGSEGV 2 11952 11953 /* SIGBUS si_codes */ 11954 #define BUS_ADRALN 1 /* invalid address alignment */ 11955 #define BUS_ADRERR 2 /* non-existant physical address */ 11956 #define BUS_OBJERR 3 /* object specific hardware error */ 11957 #define NSIGBUS 3 11958 11959 /* SIGTRAP si_codes */ 11960 #define TRAP_BRKPT 1 /* process breakpoint */ 11961 #define TRAP_TRACE 2 /* process trace trap */ 11962 #define NSIGTRAP 11963 11964 /* SIGCHLD si_codes */ 11965 #define CLD_EXITED 1 /* child has exited */ 11966 #define CLD_KILLED 2 /* child was killed */ 11967 #define CLD_DUMPED 3 /* child terminated abnormally */ 11968 #define CLD_TRAPPED 4 /* traced child has trapped */ 11969 #define CLD_STOPPED 5 /* child has stopped */ 11970 #define CLD_CONTINUED 6 /* stopped child has continued */ 11971 #define NSIGCHLD 11972 11973 /* SIGPOLL si_codes */ 11974 #define POLL_IN 1 /* data input available */ 11975 #define POLL_OUT 2 /* output buffers available */ 11976 #define POLL_MSG 3 /* input message available */ 11977 #define POLL_ERR 4 /* i/o error */ 11978 #define POLL_PRI 5 /* high-pri input available */ 11979 #define POLL_HUP 6 /* device disconnected */ 11980 #define NSIGPOLL 6 11981 11982 /* sigevent definitions 11983 * 11984 * It seems likely that SIGEV_THREAD will have to be 11985 * handled from userspace, libpthread transmuting it to 11986 * SIGEV_SIGNAL, which the thread manager then catches 11987 * and does the appropriate nonsense. However, 11988 * everything is written out here so as to not get lost. 11989 */ 11990 #define SIGEV_SIGNAL 0 /* notify via signal */ 11991 #define SIGEV_NONE 1 /* other notif: meaningless */ 11992 #define SIGEV_THREAD 2 /* deliver via thread creation */ 11993 11994 #define SIGEV_MAX_SIZE 64 11995 #define SIGEV_PAD_SIZE ((SIGEV_MAX_SIZE/sizeof(int)) - 3) 11996 11997 typedef struct sigevent { 11998 sigval_t sigev_value; 11999 int sigev_signo; 12000 int sigev_notify; 12001 union { 12002 int _pad[SIGEV_PAD_SIZE]; 12003 12004 struct { 12005 void (*_function)(sigval_t); 12006 void *_attribute; /* really pthread_attr_t */ 12007 } _sigev_thread; 12008 } _sigev_un; 12009 } sigevent_t; 12010 12011 #define sigev_notify_function \ 12012 _sigev_un._sigev_thread._function 12013 #define sigev_notify_attributes \ 12014 _sigev_un._sigev_thread._attribute 12015 12016 #endif




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