Linux-2.6.12-rc2v2.6.12-rc2

Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.

Let it rip!

1 files changed, 287 insertions, 0 deletions

diff --git a/include/asm-generic/siginfo.h b/include/asm-generic/siginfo.h
new file mode 100644
index 000000000000..9cac8e8dde51
--- /dev/null
+++ b/include/asm-generic/siginfo.h
@@ -0,0 +1,287 @@
+#ifndef _ASM_GENERIC_SIGINFO_H
+#define _ASM_GENERIC_SIGINFO_H
+
+#include <linux/compiler.h>
+#include <linux/types.h>
+
+typedef union sigval {
+        int sival_int;
+        void __user *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 uid_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 HAVE_ARCH_SIGINFO_T
+
+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 */
+                        __ARCH_SI_UID_T _uid;   /* sender's uid */
+                } _kill;
+
+                /* POSIX.1b timers */
+                struct {
+                        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 {
+                        pid_t _pid;             /* sender's pid */
+                        __ARCH_SI_UID_T _uid;   /* sender's uid */
+                        sigval_t _sigval;
+                } _rt;
+
+                /* SIGCHLD */
+                struct {
+                        pid_t _pid;             /* which child */
+                        __ARCH_SI_UID_T _uid;   /* sender's uid */
+                        int _status;            /* exit code */
+                        clock_t _utime;
+                        clock_t _stime;
+                } _sigchld;
+
+                /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
+                struct {
+                        void __user *_addr; /* faulting insn/memory ref. */
+#ifdef __ARCH_SI_TRAPNO
+                        int _trapno;    /* TRAP # which caused the signal */
+#endif
+                } _sigfault;
+
+                /* SIGPOLL */
+                struct {
+                        __ARCH_SI_BAND_T _band; /* POLL_IN, POLL_OUT, POLL_MSG */
+                        int _fd;
+                } _sigpoll;
+        } _sifields;
+} siginfo_t;
+
+#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_band         _sifields._sigpoll._band
+#define si_fd           _sifields._sigpoll._fd
+
+#ifdef __KERNEL__
+#define __SI_MASK       0xffff0000u
+#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_MESGQ      (6 << 16)
+#define __SI_CODE(T,N)  ((T) | ((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_MESGQ      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 __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 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_THREAD_ID 4       /* deliver to thread */
+
+#define SIGEV_MAX_SIZE  64
+#ifndef SIGEV_PAD_SIZE
+#define SIGEV_PAD_SIZE  ((SIGEV_MAX_SIZE/sizeof(int)) - 3)
+#endif
+
+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
+
+#ifdef __KERNEL__
+
+struct siginfo;
+void do_schedule_next_timer(struct siginfo *info);
+
+#ifndef HAVE_ARCH_COPY_SIGINFO
+
+#include <linux/string.h>
+
+static inline void copy_siginfo(struct siginfo *to, struct siginfo *from)
+{
+        if (from->si_code < 0)
+                memcpy(to, from, sizeof(*to));
+        else
+                /* _sigchld is currently the largest know union member */
+                memcpy(to, from, __ARCH_SI_PREAMBLE_SIZE + sizeof(from->_sifields._sigchld));
+}
+
+#endif
+
+extern int copy_siginfo_to_user(struct siginfo __user *to, struct siginfo *from);
+
+#endif /* __KERNEL__ */
+
+#endif