patch-2.4.22 linux-2.4.22/include/asm-sh64/siginfo.h
Next file: linux-2.4.22/include/asm-sh64/signal.h
Previous file: linux-2.4.22/include/asm-sh64/sigcontext.h
Back to the patch index
Back to the overall index
- Lines: 234
- Date:
2003-08-25 04:44:44.000000000 -0700
- Orig file:
linux-2.4.21/include/asm-sh64/siginfo.h
- Orig date:
1969-12-31 16:00:00.000000000 -0800
diff -urN linux-2.4.21/include/asm-sh64/siginfo.h linux-2.4.22/include/asm-sh64/siginfo.h
@@ -0,0 +1,233 @@
+#ifndef __ASM_SH_SIGINFO_H
+#define __ASM_SH_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 __SI_CODE(__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 (__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 NSIGSEGV 2
+
+/*
+ * SIGBUS si_codes
+ */
+#define BUS_ADRALN (__SI_FAULT|1) /* invalid address alignment */
+#define BUS_ADRERR (__SI_FAULT|2) /* non-existant physical address */
+#define BUS_OBJERR (__SI_FAULT|3) /* object specific hardware error */
+#define NSIGBUS 3
+
+/*
+ * SIGTRAP si_codes
+ */
+#define TRAP_BRKPT (__SI_FAULT|1) /* process breakpoint */
+#define TRAP_TRACE (__SI_FAULT|2) /* process trace trap */
+#define NSIGTRAP 2
+
+/*
+ * 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
+
+/*
+ * 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>
+
+static 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 /* __ASM_SH_SIGINFO_H */
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)