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tclPosixStr.c

/* 
 * tclPosixStr.c --
 *
 *    This file contains procedures that generate strings
 *    corresponding to various POSIX-related codes, such
 *    as errno and signals.
 *
 * Copyright (c) 1991-1994 The Regents of the University of California.
 * Copyright (c) 1994-1996 Sun Microsystems, Inc.
 *
 * See the file "license.terms" for information on usage and redistribution
 * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
 *
 * RCS: @(#) $Id: tclPosixStr.c,v 1.5.2.1 2000/08/07 21:32:40 hobbs Exp $
 */

#include "tclInt.h"
#include "tclPort.h"

/*
 *----------------------------------------------------------------------
 *
 * Tcl_ErrnoId --
 *
 *    Return a textual identifier for the current errno value.
 *
 * Results:
 *    This procedure returns a machine-readable textual identifier
 *    that corresponds to the current errno value (e.g. "EPERM").
 *    The identifier is the same as the #define name in errno.h.
 *
 * Side effects:
 *    None.
 *
 *----------------------------------------------------------------------
 */

char *
Tcl_ErrnoId()
{
    switch (errno) {
#ifdef E2BIG
      case E2BIG: return "E2BIG";
#endif
#ifdef EACCES
      case EACCES: return "EACCES";
#endif
#ifdef EADDRINUSE
      case EADDRINUSE: return "EADDRINUSE";
#endif
#ifdef EADDRNOTAVAIL
      case EADDRNOTAVAIL: return "EADDRNOTAVAIL";
#endif
#ifdef EADV
      case EADV: return "EADV";
#endif
#ifdef EAFNOSUPPORT
      case EAFNOSUPPORT: return "EAFNOSUPPORT";
#endif
#ifdef EAGAIN
      case EAGAIN: return "EAGAIN";
#endif
#ifdef EALIGN
      case EALIGN: return "EALIGN";
#endif
#if defined(EALREADY) && (!defined(EBUSY) || (EALREADY != EBUSY ))
      case EALREADY: return "EALREADY";
#endif
#ifdef EBADE
      case EBADE: return "EBADE";
#endif
#ifdef EBADF
      case EBADF: return "EBADF";
#endif
#ifdef EBADFD
      case EBADFD: return "EBADFD";
#endif
#ifdef EBADMSG
      case EBADMSG: return "EBADMSG";
#endif
#ifdef EBADR
      case EBADR: return "EBADR";
#endif
#ifdef EBADRPC
      case EBADRPC: return "EBADRPC";
#endif
#ifdef EBADRQC
      case EBADRQC: return "EBADRQC";
#endif
#ifdef EBADSLT
      case EBADSLT: return "EBADSLT";
#endif
#ifdef EBFONT
      case EBFONT: return "EBFONT";
#endif
#ifdef EBUSY
      case EBUSY: return "EBUSY";
#endif
#ifdef ECHILD
      case ECHILD: return "ECHILD";
#endif
#ifdef ECHRNG
      case ECHRNG: return "ECHRNG";
#endif
#ifdef ECOMM
      case ECOMM: return "ECOMM";
#endif
#ifdef ECONNABORTED
      case ECONNABORTED: return "ECONNABORTED";
#endif
#ifdef ECONNREFUSED
      case ECONNREFUSED: return "ECONNREFUSED";
#endif
#ifdef ECONNRESET
      case ECONNRESET: return "ECONNRESET";
#endif
#if defined(EDEADLK) && (!defined(EWOULDBLOCK) || (EDEADLK != EWOULDBLOCK))
      case EDEADLK: return "EDEADLK";
#endif
#if defined(EDEADLOCK) && (!defined(EDEADLK) || (EDEADLOCK != EDEADLK))
      case EDEADLOCK: return "EDEADLOCK";
#endif
#ifdef EDESTADDRREQ
      case EDESTADDRREQ: return "EDESTADDRREQ";
#endif
#ifdef EDIRTY
      case EDIRTY: return "EDIRTY";
#endif
#ifdef EDOM
      case EDOM: return "EDOM";
#endif
#ifdef EDOTDOT
      case EDOTDOT: return "EDOTDOT";
#endif
#ifdef EDQUOT
      case EDQUOT: return "EDQUOT";
#endif
#ifdef EDUPPKG
      case EDUPPKG: return "EDUPPKG";
#endif
#ifdef EEXIST
      case EEXIST: return "EEXIST";
#endif
#ifdef EFAULT
      case EFAULT: return "EFAULT";
#endif
#ifdef EFBIG
      case EFBIG: return "EFBIG";
#endif
#ifdef EHOSTDOWN
      case EHOSTDOWN: return "EHOSTDOWN";
#endif
#ifdef EHOSTUNREACH
      case EHOSTUNREACH: return "EHOSTUNREACH";
#endif
#if defined(EIDRM) && (!defined(EINPROGRESS) || (EIDRM != EINPROGRESS))
      case EIDRM: return "EIDRM";
#endif
#ifdef EINIT
      case EINIT: return "EINIT";
#endif
#ifdef EINPROGRESS
      case EINPROGRESS: return "EINPROGRESS";
#endif
#ifdef EINTR
      case EINTR: return "EINTR";
#endif
#ifdef EINVAL
      case EINVAL: return "EINVAL";
#endif
#ifdef EIO
      case EIO: return "EIO";
#endif
#ifdef EISCONN
      case EISCONN: return "EISCONN";
#endif
#ifdef EISDIR
      case EISDIR: return "EISDIR";
#endif
#ifdef EISNAME
      case EISNAM: return "EISNAM";
#endif
#ifdef ELBIN
      case ELBIN: return "ELBIN";
#endif
#ifdef EL2HLT
      case EL2HLT: return "EL2HLT";
#endif
#ifdef EL2NSYNC
      case EL2NSYNC: return "EL2NSYNC";
#endif
#ifdef EL3HLT
      case EL3HLT: return "EL3HLT";
#endif
#ifdef EL3RST
      case EL3RST: return "EL3RST";
#endif
#ifdef ELIBACC
      case ELIBACC: return "ELIBACC";
#endif
#ifdef ELIBBAD
      case ELIBBAD: return "ELIBBAD";
#endif
#ifdef ELIBEXEC
      case ELIBEXEC: return "ELIBEXEC";
#endif
#ifdef ELIBMAX
      case ELIBMAX: return "ELIBMAX";
#endif
#ifdef ELIBSCN
      case ELIBSCN: return "ELIBSCN";
#endif
#ifdef ELNRNG
      case ELNRNG: return "ELNRNG";
#endif
#if defined(ELOOP) && (!defined(ENOENT) || (ELOOP != ENOENT))
      case ELOOP: return "ELOOP";
#endif
#ifdef EMFILE
      case EMFILE: return "EMFILE";
#endif
#ifdef EMLINK
      case EMLINK: return "EMLINK";
#endif
#ifdef EMSGSIZE
      case EMSGSIZE: return "EMSGSIZE";
#endif
#ifdef EMULTIHOP
      case EMULTIHOP: return "EMULTIHOP";
#endif
#ifdef ENAMETOOLONG
      case ENAMETOOLONG: return "ENAMETOOLONG";
#endif
#ifdef ENAVAIL
      case ENAVAIL: return "ENAVAIL";
#endif
#ifdef ENET
      case ENET: return "ENET";
#endif
#ifdef ENETDOWN
      case ENETDOWN: return "ENETDOWN";
#endif
#ifdef ENETRESET
      case ENETRESET: return "ENETRESET";
#endif
#ifdef ENETUNREACH
      case ENETUNREACH: return "ENETUNREACH";
#endif
#ifdef ENFILE
      case ENFILE: return "ENFILE";
#endif
#ifdef ENOANO
      case ENOANO: return "ENOANO";
#endif
#if defined(ENOBUFS) && (!defined(ENOSR) || (ENOBUFS != ENOSR))
      case ENOBUFS: return "ENOBUFS";
#endif
#ifdef ENOCSI
      case ENOCSI: return "ENOCSI";
#endif
#if defined(ENODATA) && (!defined(ECONNREFUSED) || (ENODATA != ECONNREFUSED))
      case ENODATA: return "ENODATA";
#endif
#ifdef ENODEV
      case ENODEV: return "ENODEV";
#endif
#ifdef ENOENT
      case ENOENT: return "ENOENT";
#endif
#ifdef ENOEXEC
      case ENOEXEC: return "ENOEXEC";
#endif
#ifdef ENOLCK
      case ENOLCK: return "ENOLCK";
#endif
#ifdef ENOLINK
      case ENOLINK: return "ENOLINK";
#endif
#ifdef ENOMEM
      case ENOMEM: return "ENOMEM";
#endif
#ifdef ENOMSG
      case ENOMSG: return "ENOMSG";
#endif
#ifdef ENONET
      case ENONET: return "ENONET";
#endif
#ifdef ENOPKG
      case ENOPKG: return "ENOPKG";
#endif
#ifdef ENOPROTOOPT
      case ENOPROTOOPT: return "ENOPROTOOPT";
#endif
#ifdef ENOSPC
      case ENOSPC: return "ENOSPC";
#endif
#if defined(ENOSR) && (!defined(ENAMETOOLONG) || (ENAMETOOLONG != ENOSR))
      case ENOSR: return "ENOSR";
#endif
#if defined(ENOSTR) && (!defined(ENOTTY) || (ENOTTY != ENOSTR))
      case ENOSTR: return "ENOSTR";
#endif
#ifdef ENOSYM
      case ENOSYM: return "ENOSYM";
#endif
#ifdef ENOSYS
      case ENOSYS: return "ENOSYS";
#endif
#ifdef ENOTBLK
      case ENOTBLK: return "ENOTBLK";
#endif
#ifdef ENOTCONN
      case ENOTCONN: return "ENOTCONN";
#endif
#ifdef ENOTDIR
      case ENOTDIR: return "ENOTDIR";
#endif
#if defined(ENOTEMPTY) && (!defined(EEXIST) || (ENOTEMPTY != EEXIST))
      case ENOTEMPTY: return "ENOTEMPTY";
#endif
#ifdef ENOTNAM
      case ENOTNAM: return "ENOTNAM";
#endif
#ifdef ENOTSOCK
      case ENOTSOCK: return "ENOTSOCK";
#endif
#ifdef ENOTSUP
      case ENOTSUP: return "ENOTSUP";
#endif
#ifdef ENOTTY
      case ENOTTY: return "ENOTTY";
#endif
#ifdef ENOTUNIQ
      case ENOTUNIQ: return "ENOTUNIQ";
#endif
#ifdef ENXIO
      case ENXIO: return "ENXIO";
#endif
#if defined(EOPNOTSUPP) &&  (!defined(ENOTSUP) || (ENOTSUP != EOPNOTSUPP))
      case EOPNOTSUPP: return "EOPNOTSUPP";
#endif
#ifdef EPERM
      case EPERM: return "EPERM";
#endif
#if defined(EPFNOSUPPORT) && (!defined(ENOLCK) || (ENOLCK != EPFNOSUPPORT))
      case EPFNOSUPPORT: return "EPFNOSUPPORT";
#endif
#ifdef EPIPE
      case EPIPE: return "EPIPE";
#endif
#ifdef EPROCLIM
      case EPROCLIM: return "EPROCLIM";
#endif
#ifdef EPROCUNAVAIL
      case EPROCUNAVAIL: return "EPROCUNAVAIL";
#endif
#ifdef EPROGMISMATCH
      case EPROGMISMATCH: return "EPROGMISMATCH";
#endif
#ifdef EPROGUNAVAIL
      case EPROGUNAVAIL: return "EPROGUNAVAIL";
#endif
#ifdef EPROTO
      case EPROTO: return "EPROTO";
#endif
#ifdef EPROTONOSUPPORT
      case EPROTONOSUPPORT: return "EPROTONOSUPPORT";
#endif
#ifdef EPROTOTYPE
      case EPROTOTYPE: return "EPROTOTYPE";
#endif
#ifdef ERANGE
      case ERANGE: return "ERANGE";
#endif
#if defined(EREFUSED) && (!defined(ECONNREFUSED) || (EREFUSED != ECONNREFUSED))
      case EREFUSED: return "EREFUSED";
#endif
#ifdef EREMCHG
      case EREMCHG: return "EREMCHG";
#endif
#ifdef EREMDEV
      case EREMDEV: return "EREMDEV";
#endif
#ifdef EREMOTE
      case EREMOTE: return "EREMOTE";
#endif
#ifdef EREMOTEIO
      case EREMOTEIO: return "EREMOTEIO";
#endif
#ifdef EREMOTERELEASE
      case EREMOTERELEASE: return "EREMOTERELEASE";
#endif
#ifdef EROFS
      case EROFS: return "EROFS";
#endif
#ifdef ERPCMISMATCH
      case ERPCMISMATCH: return "ERPCMISMATCH";
#endif
#ifdef ERREMOTE
      case ERREMOTE: return "ERREMOTE";
#endif
#ifdef ESHUTDOWN
      case ESHUTDOWN: return "ESHUTDOWN";
#endif
#ifdef ESOCKTNOSUPPORT
      case ESOCKTNOSUPPORT: return "ESOCKTNOSUPPORT";
#endif
#ifdef ESPIPE
      case ESPIPE: return "ESPIPE";
#endif
#ifdef ESRCH
      case ESRCH: return "ESRCH";
#endif
#ifdef ESRMNT
      case ESRMNT: return "ESRMNT";
#endif
#ifdef ESTALE
      case ESTALE: return "ESTALE";
#endif
#ifdef ESUCCESS
      case ESUCCESS: return "ESUCCESS";
#endif
#if defined(ETIME) && (!defined(ELOOP) || (ETIME != ELOOP))
      case ETIME: return "ETIME";
#endif
#if defined(ETIMEDOUT) && (!defined(ENOSTR) || (ETIMEDOUT != ENOSTR))
      case ETIMEDOUT: return "ETIMEDOUT";
#endif
#ifdef ETOOMANYREFS
      case ETOOMANYREFS: return "ETOOMANYREFS";
#endif
#ifdef ETXTBSY
      case ETXTBSY: return "ETXTBSY";
#endif
#ifdef EUCLEAN
      case EUCLEAN: return "EUCLEAN";
#endif
#ifdef EUNATCH
      case EUNATCH: return "EUNATCH";
#endif
#ifdef EUSERS
      case EUSERS: return "EUSERS";
#endif
#ifdef EVERSION
      case EVERSION: return "EVERSION";
#endif
#if defined(EWOULDBLOCK) && (!defined(EAGAIN) || (EWOULDBLOCK != EAGAIN))
      case EWOULDBLOCK: return "EWOULDBLOCK";
#endif
#ifdef EXDEV
      case EXDEV: return "EXDEV";
#endif
#ifdef EXFULL
      case EXFULL: return "EXFULL";
#endif
    }
    return "unknown error";
}

/*
 *----------------------------------------------------------------------
 *
 * Tcl_ErrnoMsg --
 *
 *    Return a human-readable message corresponding to a given
 *    errno value.
 *
 * Results:
 *    The return value is the standard POSIX error message for
 *    errno.  This procedure is used instead of strerror because
 *    strerror returns slightly different values on different
 *    machines (e.g. different capitalizations), which cause
 *    problems for things such as regression tests.  This procedure
 *    provides messages for most standard errors, then it calls
 *    strerror for things it doesn't understand.
 *
 * Side effects:
 *    None.
 *
 *----------------------------------------------------------------------
 */

char *
Tcl_ErrnoMsg(err)
    int err;                  /* Error number (such as in errno variable). */
{
    switch (err) {
#ifdef E2BIG
      case E2BIG: return "argument list too long";
#endif
#ifdef EACCES
      case EACCES: return "permission denied";
#endif
#ifdef EADDRINUSE
      case EADDRINUSE: return "address already in use";
#endif
#ifdef EADDRNOTAVAIL
      case EADDRNOTAVAIL: return "can't assign requested address";
#endif
#ifdef EADV
      case EADV: return "advertise error";
#endif
#ifdef EAFNOSUPPORT
      case EAFNOSUPPORT: return "address family not supported by protocol family";
#endif
#ifdef EAGAIN
      case EAGAIN: return "resource temporarily unavailable";
#endif
#ifdef EALIGN
      case EALIGN: return "EALIGN";
#endif
#if defined(EALREADY) && (!defined(EBUSY) || (EALREADY != EBUSY ))
      case EALREADY: return "operation already in progress";
#endif
#ifdef EBADE
      case EBADE: return "bad exchange descriptor";
#endif
#ifdef EBADF
      case EBADF: return "bad file number";
#endif
#ifdef EBADFD
      case EBADFD: return "file descriptor in bad state";
#endif
#ifdef EBADMSG
      case EBADMSG: return "not a data message";
#endif
#ifdef EBADR
      case EBADR: return "bad request descriptor";
#endif
#ifdef EBADRPC
      case EBADRPC: return "RPC structure is bad";
#endif
#ifdef EBADRQC
      case EBADRQC: return "bad request code";
#endif
#ifdef EBADSLT
      case EBADSLT: return "invalid slot";
#endif
#ifdef EBFONT
      case EBFONT: return "bad font file format";
#endif
#ifdef EBUSY
      case EBUSY: return "file busy";
#endif
#ifdef ECHILD
      case ECHILD: return "no children";
#endif
#ifdef ECHRNG
      case ECHRNG: return "channel number out of range";
#endif
#ifdef ECOMM
      case ECOMM: return "communication error on send";
#endif
#ifdef ECONNABORTED
      case ECONNABORTED: return "software caused connection abort";
#endif
#ifdef ECONNREFUSED
      case ECONNREFUSED: return "connection refused";
#endif
#ifdef ECONNRESET
      case ECONNRESET: return "connection reset by peer";
#endif
#if defined(EDEADLK) && (!defined(EWOULDBLOCK) || (EDEADLK != EWOULDBLOCK))
      case EDEADLK: return "resource deadlock avoided";
#endif
#if defined(EDEADLOCK) && (!defined(EDEADLK) || (EDEADLOCK != EDEADLK))
      case EDEADLOCK: return "resource deadlock avoided";
#endif
#ifdef EDESTADDRREQ
      case EDESTADDRREQ: return "destination address required";
#endif
#ifdef EDIRTY
      case EDIRTY: return "mounting a dirty fs w/o force";
#endif
#ifdef EDOM
      case EDOM: return "math argument out of range";
#endif
#ifdef EDOTDOT
      case EDOTDOT: return "cross mount point";
#endif
#ifdef EDQUOT
      case EDQUOT: return "disk quota exceeded";
#endif
#ifdef EDUPPKG
      case EDUPPKG: return "duplicate package name";
#endif
#ifdef EEXIST
      case EEXIST: return "file already exists";
#endif
#ifdef EFAULT
      case EFAULT: return "bad address in system call argument";
#endif
#ifdef EFBIG
      case EFBIG: return "file too large";
#endif
#ifdef EHOSTDOWN
      case EHOSTDOWN: return "host is down";
#endif
#ifdef EHOSTUNREACH
      case EHOSTUNREACH: return "host is unreachable";
#endif
#if defined(EIDRM) && (!defined(EINPROGRESS) || (EIDRM != EINPROGRESS))
      case EIDRM: return "identifier removed";
#endif
#ifdef EINIT
      case EINIT: return "initialization error";
#endif
#ifdef EINPROGRESS
      case EINPROGRESS: return "operation now in progress";
#endif
#ifdef EINTR
      case EINTR: return "interrupted system call";
#endif
#ifdef EINVAL
      case EINVAL: return "invalid argument";
#endif
#ifdef EIO
      case EIO: return "I/O error";
#endif
#ifdef EISCONN
      case EISCONN: return "socket is already connected";
#endif
#ifdef EISDIR
      case EISDIR: return "illegal operation on a directory";
#endif
#ifdef EISNAME
      case EISNAM: return "is a name file";
#endif
#ifdef ELBIN
      case ELBIN: return "ELBIN";
#endif
#ifdef EL2HLT
      case EL2HLT: return "level 2 halted";
#endif
#ifdef EL2NSYNC
      case EL2NSYNC: return "level 2 not synchronized";
#endif
#ifdef EL3HLT
      case EL3HLT: return "level 3 halted";
#endif
#ifdef EL3RST
      case EL3RST: return "level 3 reset";
#endif
#ifdef ELIBACC
      case ELIBACC: return "can not access a needed shared library";
#endif
#ifdef ELIBBAD
      case ELIBBAD: return "accessing a corrupted shared library";
#endif
#ifdef ELIBEXEC
      case ELIBEXEC: return "can not exec a shared library directly";
#endif
#ifdef ELIBMAX
      case ELIBMAX: return
            "attempting to link in more shared libraries than system limit";
#endif
#ifdef ELIBSCN
      case ELIBSCN: return ".lib section in a.out corrupted";
#endif
#ifdef ELNRNG
      case ELNRNG: return "link number out of range";
#endif
#if defined(ELOOP) && (!defined(ENOENT) || (ELOOP != ENOENT))
      case ELOOP: return "too many levels of symbolic links";
#endif
#ifdef EMFILE
      case EMFILE: return "too many open files";
#endif
#ifdef EMLINK
      case EMLINK: return "too many links";
#endif
#ifdef EMSGSIZE
      case EMSGSIZE: return "message too long";
#endif
#ifdef EMULTIHOP
      case EMULTIHOP: return "multihop attempted";
#endif
#ifdef ENAMETOOLONG
      case ENAMETOOLONG: return "file name too long";
#endif
#ifdef ENAVAIL
      case ENAVAIL: return "not available";
#endif
#ifdef ENET
      case ENET: return "ENET";
#endif
#ifdef ENETDOWN
      case ENETDOWN: return "network is down";
#endif
#ifdef ENETRESET
      case ENETRESET: return "network dropped connection on reset";
#endif
#ifdef ENETUNREACH
      case ENETUNREACH: return "network is unreachable";
#endif
#ifdef ENFILE
      case ENFILE: return "file table overflow";
#endif
#ifdef ENOANO
      case ENOANO: return "anode table overflow";
#endif
#if defined(ENOBUFS) && (!defined(ENOSR) || (ENOBUFS != ENOSR))
      case ENOBUFS: return "no buffer space available";
#endif
#ifdef ENOCSI
      case ENOCSI: return "no CSI structure available";
#endif
#if defined(ENODATA) && (!defined(ECONNREFUSED) || (ENODATA != ECONNREFUSED))
      case ENODATA: return "no data available";
#endif
#ifdef ENODEV
      case ENODEV: return "no such device";
#endif
#ifdef ENOENT
      case ENOENT: return "no such file or directory";
#endif
#ifdef ENOEXEC
      case ENOEXEC: return "exec format error";
#endif
#ifdef ENOLCK
      case ENOLCK: return "no locks available";
#endif
#ifdef ENOLINK
      case ENOLINK: return "link has be severed";
#endif
#ifdef ENOMEM
      case ENOMEM: return "not enough memory";
#endif
#ifdef ENOMSG
      case ENOMSG: return "no message of desired type";
#endif
#ifdef ENONET
      case ENONET: return "machine is not on the network";
#endif
#ifdef ENOPKG
      case ENOPKG: return "package not installed";
#endif
#ifdef ENOPROTOOPT
      case ENOPROTOOPT: return "bad protocol option";
#endif
#ifdef ENOSPC
      case ENOSPC: return "no space left on device";
#endif
#if defined(ENOSR) && (!defined(ENAMETOOLONG) || (ENAMETOOLONG != ENOSR))
      case ENOSR: return "out of stream resources";
#endif
#if defined(ENOSTR) && (!defined(ENOTTY) || (ENOTTY != ENOSTR))
      case ENOSTR: return "not a stream device";
#endif
#ifdef ENOSYM
      case ENOSYM: return "unresolved symbol name";
#endif
#ifdef ENOSYS
      case ENOSYS: return "function not implemented";
#endif
#ifdef ENOTBLK
      case ENOTBLK: return "block device required";
#endif
#ifdef ENOTCONN
      case ENOTCONN: return "socket is not connected";
#endif
#ifdef ENOTDIR
      case ENOTDIR: return "not a directory";
#endif
#if defined(ENOTEMPTY) && (!defined(EEXIST) || (ENOTEMPTY != EEXIST))
      case ENOTEMPTY: return "directory not empty";
#endif
#ifdef ENOTNAM
      case ENOTNAM: return "not a name file";
#endif
#ifdef ENOTSOCK
      case ENOTSOCK: return "socket operation on non-socket";
#endif
#ifdef ENOTSUP
      case ENOTSUP: return "operation not supported";
#endif
#ifdef ENOTTY
      case ENOTTY: return "inappropriate device for ioctl";
#endif
#ifdef ENOTUNIQ
      case ENOTUNIQ: return "name not unique on network";
#endif
#ifdef ENXIO
      case ENXIO: return "no such device or address";
#endif
#if defined(EOPNOTSUPP) &&  (!defined(ENOTSUP) || (ENOTSUP != EOPNOTSUPP))
      case EOPNOTSUPP: return "operation not supported on socket";
#endif
#ifdef EPERM
      case EPERM: return "not owner";
#endif
#if defined(EPFNOSUPPORT) && (!defined(ENOLCK) || (ENOLCK != EPFNOSUPPORT))
      case EPFNOSUPPORT: return "protocol family not supported";
#endif
#ifdef EPIPE
      case EPIPE: return "broken pipe";
#endif
#ifdef EPROCLIM
      case EPROCLIM: return "too many processes";
#endif
#ifdef EPROCUNAVAIL
      case EPROCUNAVAIL: return "bad procedure for program";
#endif
#ifdef EPROGMISMATCH
      case EPROGMISMATCH: return "program version wrong";
#endif
#ifdef EPROGUNAVAIL
      case EPROGUNAVAIL: return "RPC program not available";
#endif
#ifdef EPROTO
      case EPROTO: return "protocol error";
#endif
#ifdef EPROTONOSUPPORT
      case EPROTONOSUPPORT: return "protocol not suppored";
#endif
#ifdef EPROTOTYPE
      case EPROTOTYPE: return "protocol wrong type for socket";
#endif
#ifdef ERANGE
      case ERANGE: return "math result unrepresentable";
#endif
#if defined(EREFUSED) && (!defined(ECONNREFUSED) || (EREFUSED != ECONNREFUSED))
      case EREFUSED: return "EREFUSED";
#endif
#ifdef EREMCHG
      case EREMCHG: return "remote address changed";
#endif
#ifdef EREMDEV
      case EREMDEV: return "remote device";
#endif
#ifdef EREMOTE
      case EREMOTE: return "pathname hit remote file system";
#endif
#ifdef EREMOTEIO
      case EREMOTEIO: return "remote i/o error";
#endif
#ifdef EREMOTERELEASE
      case EREMOTERELEASE: return "EREMOTERELEASE";
#endif
#ifdef EROFS
      case EROFS: return "read-only file system";
#endif
#ifdef ERPCMISMATCH
      case ERPCMISMATCH: return "RPC version is wrong";
#endif
#ifdef ERREMOTE
      case ERREMOTE: return "object is remote";
#endif
#ifdef ESHUTDOWN
      case ESHUTDOWN: return "can't send afer socket shutdown";
#endif
#ifdef ESOCKTNOSUPPORT
      case ESOCKTNOSUPPORT: return "socket type not supported";
#endif
#ifdef ESPIPE
      case ESPIPE: return "invalid seek";
#endif
#ifdef ESRCH
      case ESRCH: return "no such process";
#endif
#ifdef ESRMNT
      case ESRMNT: return "srmount error";
#endif
#ifdef ESTALE
      case ESTALE: return "stale remote file handle";
#endif
#ifdef ESUCCESS
      case ESUCCESS: return "Error 0";
#endif
#if defined(ETIME) && (!defined(ELOOP) || (ETIME != ELOOP))
      case ETIME: return "timer expired";
#endif
#if defined(ETIMEDOUT) && (!defined(ENOSTR) || (ETIMEDOUT != ENOSTR))
      case ETIMEDOUT: return "connection timed out";
#endif
#ifdef ETOOMANYREFS
      case ETOOMANYREFS: return "too many references: can't splice";
#endif
#ifdef ETXTBSY
      case ETXTBSY: return "text file or pseudo-device busy";
#endif
#ifdef EUCLEAN
      case EUCLEAN: return "structure needs cleaning";
#endif
#ifdef EUNATCH
      case EUNATCH: return "protocol driver not attached";
#endif
#ifdef EUSERS
      case EUSERS: return "too many users";
#endif
#ifdef EVERSION
      case EVERSION: return "version mismatch";
#endif
#if defined(EWOULDBLOCK) && (!defined(EAGAIN) || (EWOULDBLOCK != EAGAIN))
      case EWOULDBLOCK: return "operation would block";
#endif
#ifdef EXDEV
      case EXDEV: return "cross-domain link";
#endif
#ifdef EXFULL
      case EXFULL: return "message tables full";
#endif
      default:
#ifdef NO_STRERROR
          return "unknown POSIX error";
#else
          return strerror(errno);
#endif
    }
}

/*
 *----------------------------------------------------------------------
 *
 * Tcl_SignalId --
 *
 *    Return a textual identifier for a signal number.
 *
 * Results:
 *    This procedure returns a machine-readable textual identifier
 *    that corresponds to sig.  The identifier is the same as the
 *    #define name in signal.h.
 *
 * Side effects:
 *    None.
 *
 *----------------------------------------------------------------------
 */

char *
Tcl_SignalId(sig)
    int sig;                  /* Number of signal. */
{
    switch (sig) {
#ifdef SIGABRT
      case SIGABRT: return "SIGABRT";
#endif
#ifdef SIGALRM
      case SIGALRM: return "SIGALRM";
#endif
#ifdef SIGBUS
      case SIGBUS: return "SIGBUS";
#endif
#ifdef SIGCHLD
      case SIGCHLD: return "SIGCHLD";
#endif
#if defined(SIGCLD) && (!defined(SIGCHLD) || (SIGCLD != SIGCHLD))
      case SIGCLD: return "SIGCLD";
#endif
#ifdef SIGCONT
      case SIGCONT: return "SIGCONT";
#endif
#if defined(SIGEMT) && (!defined(SIGXCPU) || (SIGEMT != SIGXCPU))
      case SIGEMT: return "SIGEMT";
#endif
#ifdef SIGFPE
      case SIGFPE: return "SIGFPE";
#endif
#ifdef SIGHUP
      case SIGHUP: return "SIGHUP";
#endif
#ifdef SIGILL
      case SIGILL: return "SIGILL";
#endif
#ifdef SIGINT
      case SIGINT: return "SIGINT";
#endif
#ifdef SIGIO
      case SIGIO: return "SIGIO";
#endif
#if defined(SIGIOT) && (!defined(SIGABRT) || (SIGIOT != SIGABRT))
      case SIGIOT: return "SIGIOT";
#endif
#ifdef SIGKILL
      case SIGKILL: return "SIGKILL";
#endif
#if defined(SIGLOST) && (!defined(SIGIOT) || (SIGLOST != SIGIOT)) && (!defined(SIGURG) || (SIGLOST != SIGURG)) && (!defined(SIGPROF) || (SIGLOST != SIGPROF)) && (!defined(SIGIO) || (SIGLOST != SIGIO))
      case SIGLOST: return "SIGLOST";
#endif
#ifdef SIGPIPE
      case SIGPIPE: return "SIGPIPE";
#endif
#if defined(SIGPOLL) && (!defined(SIGIO) || (SIGPOLL != SIGIO))
      case SIGPOLL: return "SIGPOLL";
#endif
#ifdef SIGPROF
      case SIGPROF: return "SIGPROF";
#endif
#if defined(SIGPWR) && (!defined(SIGXFSZ) || (SIGPWR != SIGXFSZ)) && (!defined(SIGLOST) || (SIGPWR != SIGLOST))
      case SIGPWR: return "SIGPWR";
#endif
#ifdef SIGQUIT
      case SIGQUIT: return "SIGQUIT";
#endif
#ifdef SIGSEGV
      case SIGSEGV: return "SIGSEGV";
#endif
#ifdef SIGSTOP
      case SIGSTOP: return "SIGSTOP";
#endif
#ifdef SIGSYS
      case SIGSYS: return "SIGSYS";
#endif
#ifdef SIGTERM
      case SIGTERM: return "SIGTERM";
#endif
#ifdef SIGTRAP
      case SIGTRAP: return "SIGTRAP";
#endif
#ifdef SIGTSTP
      case SIGTSTP: return "SIGTSTP";
#endif
#ifdef SIGTTIN
      case SIGTTIN: return "SIGTTIN";
#endif
#ifdef SIGTTOU
      case SIGTTOU: return "SIGTTOU";
#endif
#if defined(SIGURG) && (!defined(SIGIO) || (SIGURG != SIGIO))
      case SIGURG: return "SIGURG";
#endif
#if defined(SIGUSR1) && (!defined(SIGIO) || (SIGUSR1 != SIGIO))
      case SIGUSR1: return "SIGUSR1";
#endif
#if defined(SIGUSR2) && (!defined(SIGURG) || (SIGUSR2 != SIGURG))
      case SIGUSR2: return "SIGUSR2";
#endif
#ifdef SIGVTALRM
      case SIGVTALRM: return "SIGVTALRM";
#endif
#ifdef SIGWINCH
      case SIGWINCH: return "SIGWINCH";
#endif
#ifdef SIGXCPU
      case SIGXCPU: return "SIGXCPU";
#endif
#ifdef SIGXFSZ
      case SIGXFSZ: return "SIGXFSZ";
#endif
    }
    return "unknown signal";
}

/*
 *----------------------------------------------------------------------
 *
 * Tcl_SignalMsg --
 *
 *    Return a human-readable message describing a signal.
 *
 * Results:
 *    This procedure returns a string describing sig that should
 *    make sense to a human.  It may not be easy for a machine
 *    to parse.
 *
 * Side effects:
 *    None.
 *
 *----------------------------------------------------------------------
 */

char *
Tcl_SignalMsg(sig)
    int sig;                  /* Number of signal. */
{
    switch (sig) {
#ifdef SIGABRT
      case SIGABRT: return "SIGABRT";
#endif
#ifdef SIGALRM
      case SIGALRM: return "alarm clock";
#endif
#ifdef SIGBUS
      case SIGBUS: return "bus error";
#endif
#ifdef SIGCHLD
      case SIGCHLD: return "child status changed";
#endif
#if defined(SIGCLD) && (!defined(SIGCHLD) || (SIGCLD != SIGCHLD))
      case SIGCLD: return "child status changed";
#endif
#ifdef SIGCONT
      case SIGCONT: return "continue after stop";
#endif
#if defined(SIGEMT) && (!defined(SIGXCPU) || (SIGEMT != SIGXCPU))
      case SIGEMT: return "EMT instruction";
#endif
#ifdef SIGFPE
      case SIGFPE: return "floating-point exception";
#endif
#ifdef SIGHUP
      case SIGHUP: return "hangup";
#endif
#ifdef SIGILL
      case SIGILL: return "illegal instruction";
#endif
#ifdef SIGINT
      case SIGINT: return "interrupt";
#endif
#ifdef SIGIO
      case SIGIO: return "input/output possible on file";
#endif
#if defined(SIGIOT) && (!defined(SIGABRT) || (SIGABRT != SIGIOT))
      case SIGIOT: return "IOT instruction";
#endif
#ifdef SIGKILL
      case SIGKILL: return "kill signal";
#endif
#if defined(SIGLOST) && (!defined(SIGIOT) || (SIGLOST != SIGIOT)) && (!defined(SIGURG) || (SIGLOST != SIGURG)) && (!defined(SIGPROF) || (SIGLOST != SIGPROF)) && (!defined(SIGIO) || (SIGLOST != SIGIO))
      case SIGLOST: return "resource lost";
#endif
#ifdef SIGPIPE
      case SIGPIPE: return "write on pipe with no readers";
#endif
#if defined(SIGPOLL) && (!defined(SIGIO) || (SIGPOLL != SIGIO))
      case SIGPOLL: return "input/output possible on file";
#endif
#ifdef SIGPROF
      case SIGPROF: return "profiling alarm";
#endif
#if defined(SIGPWR) && (!defined(SIGXFSZ) || (SIGPWR != SIGXFSZ)) && (!defined(SIGLOST) || (SIGPWR != SIGLOST))
      case SIGPWR: return "power-fail restart";
#endif
#ifdef SIGQUIT
      case SIGQUIT: return "quit signal";
#endif
#ifdef SIGSEGV
      case SIGSEGV: return "segmentation violation";
#endif
#ifdef SIGSTOP
      case SIGSTOP: return "stop";
#endif
#ifdef SIGSYS
      case SIGSYS: return "bad argument to system call";
#endif
#ifdef SIGTERM
      case SIGTERM: return "software termination signal";
#endif
#ifdef SIGTRAP
      case SIGTRAP: return "trace trap";
#endif
#ifdef SIGTSTP
      case SIGTSTP: return "stop signal from tty";
#endif
#ifdef SIGTTIN
      case SIGTTIN: return "background tty read";
#endif
#ifdef SIGTTOU
      case SIGTTOU: return "background tty write";
#endif
#if defined(SIGURG) && (!defined(SIGIO) || (SIGURG != SIGIO))
      case SIGURG: return "urgent I/O condition";
#endif
#if defined(SIGUSR1) && (!defined(SIGIO) || (SIGUSR1 != SIGIO))
      case SIGUSR1: return "user-defined signal 1";
#endif
#if defined(SIGUSR2) && (!defined(SIGURG) || (SIGUSR2 != SIGURG))
      case SIGUSR2: return "user-defined signal 2";
#endif
#ifdef SIGVTALRM
      case SIGVTALRM: return "virtual time alarm";
#endif
#ifdef SIGWINCH
      case SIGWINCH: return "window changed";
#endif
#ifdef SIGXCPU
      case SIGXCPU: return "exceeded CPU time limit";
#endif
#ifdef SIGXFSZ
      case SIGXFSZ: return "exceeded file size limit";
#endif
    }
    return "unknown signal";
}

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