| /* |
| * include/asm-s390/siginfo.h |
| * |
| * S390 version |
| * |
| * Derived from "include/asm-i386/siginfo.h" |
| */ |
| |
| #ifndef _S390_SIGINFO_H |
| #define _S390_SIGINFO_H |
| |
| #include <linux/types.h> |
| |
| /* XXX: This structure was copied from the Alpha; is there an iBCS version? */ |
| |
| typedef union sigval { |
| int sival_int; |
| void *sival_ptr; |
| } sigval_t; |
| |
| #define SI_MAX_SIZE 128 |
| #define SI_PAD_SIZE ((SI_MAX_SIZE/sizeof(int)) - 3) |
| |
| typedef struct siginfo { |
| int si_signo; |
| int si_errno; |
| int si_code; |
| |
| union { |
| int _pad[SI_PAD_SIZE]; |
| |
| /* kill() */ |
| struct { |
| pid_t _pid; /* sender's pid */ |
| uid_t _uid; /* sender's uid */ |
| } _kill; |
| |
| /* POSIX.1b timers */ |
| struct { |
| unsigned int _timer1; |
| unsigned int _timer2; |
| } _timer; |
| |
| /* POSIX.1b signals */ |
| struct { |
| pid_t _pid; /* sender's pid */ |
| uid_t _uid; /* sender's uid */ |
| sigval_t _sigval; |
| } _rt; |
| |
| /* SIGCHLD */ |
| struct { |
| pid_t _pid; /* which child */ |
| uid_t _uid; /* sender's uid */ |
| int _status; /* exit code */ |
| clock_t _utime; |
| clock_t _stime; |
| } _sigchld; |
| |
| /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */ |
| struct { |
| void *_addr; /* faulting insn/memory ref. */ |
| } _sigfault; |
| |
| /* SIGPOLL */ |
| struct { |
| int _band; /* POLL_IN, POLL_OUT, POLL_MSG */ |
| int _fd; |
| } _sigpoll; |
| } _sifields; |
| } siginfo_t; |
| |
| /* |
| * How these fields are to be accessed. |
| */ |
| #define si_pid _sifields._kill._pid |
| #define si_uid _sifields._kill._uid |
| #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 |
| #define si_band _sifields._sigpoll._band |
| #define si_fd _sifields._sigpoll._fd |
| |
| #ifdef __KERNEL__ |
| #define __SI_MASK 0xffff0000 |
| #define __SI_KILL (0 << 16) |
| #define __SI_TIMER (1 << 16) |
| #define __SI_POLL (2 << 16) |
| #define __SI_FAULT (3 << 16) |
| #define __SI_CHLD (4 << 16) |
| #define __SI_RT (5 << 16) |
| #define __SI_CODE(T,N) ((T) << 16 | ((N) & 0xffff)) |
| #else |
| #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_CODE(T,N) (N) |
| #endif |
| |
| /* |
| * 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 -2 /* sent by timer expiration */ |
| #define 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_FROMUSER(siptr) ((siptr)->si_code <= 0) |
| #define SI_FROMKERNEL(siptr) ((siptr)->si_code > 0) |
| |
| /* |
| * SIGILL si_codes |
| */ |
| #define ILL_ILLOPC 1 /* illegal opcode */ |
| #define ILL_ILLOPN 2 /* illegal operand */ |
| #define ILL_ILLADR 3 /* illegal addressing mode */ |
| #define ILL_ILLTRP 4 /* illegal trap */ |
| #define ILL_PRVOPC 5 /* privileged opcode */ |
| #define ILL_PRVREG 6 /* privileged register */ |
| #define ILL_COPROC 7 /* coprocessor error */ |
| #define ILL_BADSTK 8 /* internal stack error */ |
| #define NSIGILL 8 |
| |
| /* |
| * SIGFPE si_codes |
| */ |
| #define FPE_INTDIV 1 /* integer divide by zero */ |
| #define FPE_INTOVF 2 /* integer overflow */ |
| #define FPE_FLTDIV 3 /* floating point divide by zero */ |
| #define FPE_FLTOVF 4 /* floating point overflow */ |
| #define FPE_FLTUND 5 /* floating point underflow */ |
| #define FPE_FLTRES 6 /* floating point inexact result */ |
| #define FPE_FLTINV 7 /* floating point invalid operation */ |
| #define FPE_FLTSUB 8 /* subscript out of range */ |
| #define NSIGFPE 8 |
| |
| /* |
| * SIGSEGV si_codes |
| */ |
| #define SEGV_MAPERR 1 /* address not mapped to object */ |
| #define SEGV_ACCERR 2 /* invalid permissions for mapped object */ |
| #define NSIGSEGV 2 |
| |
| /* |
| * SIGBUS si_codes |
| */ |
| #define BUS_ADRALN 1 /* invalid address alignment */ |
| #define BUS_ADRERR 2 /* non-existant physical address */ |
| #define BUS_OBJERR 3 /* object specific hardware error */ |
| #define NSIGBUS 3 |
| |
| /* |
| * SIGTRAP si_codes |
| */ |
| #define TRAP_BRKPT 1 /* process breakpoint */ |
| #define TRAP_TRACE 2 /* process trace trap */ |
| #define NSIGTRAP 2 |
| |
| /* |
| * SIGCHLD si_codes |
| */ |
| #define CLD_EXITED 1 /* child has exited */ |
| #define CLD_KILLED 2 /* child was killed */ |
| #define CLD_DUMPED 3 /* child terminated abnormally */ |
| #define CLD_TRAPPED 4 /* traced child has trapped */ |
| #define CLD_STOPPED 5 /* child has stopped */ |
| #define CLD_CONTINUED 6 /* stopped child has continued */ |
| #define NSIGCHLD |
| |
| /* |
| * SIGPOLL si_codes |
| */ |
| #define POLL_IN 1 /* data input available */ |
| #define POLL_OUT 2 /* output buffers available */ |
| #define POLL_MSG 3 /* input message available */ |
| #define POLL_ERR 4 /* i/o error */ |
| #define POLL_PRI 5 /* high priority input available */ |
| #define POLL_HUP 6 /* device disconnected */ |
| #define NSIGPOLL 6 |
| |
| /* |
| * 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_MAX_SIZE 64 |
| #define SIGEV_PAD_SIZE ((SIGEV_MAX_SIZE/sizeof(int)) - 3) |
| |
| typedef struct sigevent { |
| sigval_t sigev_value; |
| int sigev_signo; |
| int sigev_notify; |
| union { |
| int _pad[SIGEV_PAD_SIZE]; |
| |
| 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 |
| |
| #ifdef __KERNEL__ |
| #include <linux/string.h> |
| |
| extern inline void copy_siginfo(siginfo_t *to, siginfo_t *from) |
| { |
| if (from->si_code < 0) |
| memcpy(to, from, sizeof(siginfo_t)); |
| else |
| /* _sigchld is currently the largest know union member */ |
| memcpy(to, from, 3*sizeof(int) + sizeof(from->_sifields._sigchld)); |
| } |
| |
| extern int copy_siginfo_to_user(siginfo_t *to, siginfo_t *from); |
| |
| #endif /* __KERNEL__ */ |
| |
| #endif |