136 lines
5.2 KiB
C
136 lines
5.2 KiB
C
/*
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* errno.h
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*
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* Definition of error codes, and error code retrieval mechanism.
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*
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* $Id: errno.h,v 99ef1a520f95 2016/11/14 17:57:05 keithmarshall $
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*
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* Written by Colin Peters <colin@bird.fu.is.saga-u.ac.jp>
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* Copyright (C) 1997-1999, 2001, 2003-2005, 2007, 2016, MinGW.org Project.
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*
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice, this permission notice, and the following
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* disclaimer shall be included in all copies or substantial portions of
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* the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OF OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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*/
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#ifndef _ERRNO_H
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#define _ERRNO_H
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/* All MinGW headers are expected to include <_mingw.h>; however...
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*/
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#ifndef __ASSEMBLER__
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/* ...the overhead of doing so is unwarranted, when <errno.h> has been
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* included directly in preprocessed assembly language code.
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*/
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#include <_mingw.h>
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#endif
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/* Error code numbers.
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*
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* TODO: Can't be sure of some of these assignments, I guessed from the
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* names given by strerror and the defines in the Cygnus errno.h. A lot
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* of the names from the Cygnus errno.h are not represented, and a few
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* of the descriptions returned by strerror do not obviously match
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* their error naming.
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*/
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#define EPERM 1 /* Operation not permitted */
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#define ENOFILE 2 /* No such file or directory */
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#define ENOENT 2
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#define ESRCH 3 /* No such process */
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#define EINTR 4 /* Interrupted function call */
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#define EIO 5 /* Input/output error */
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#define ENXIO 6 /* No such device or address */
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#define E2BIG 7 /* Arg list too long */
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#define ENOEXEC 8 /* Exec format error */
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#define EBADF 9 /* Bad file descriptor */
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#define ECHILD 10 /* No child processes */
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#define EAGAIN 11 /* Resource temporarily unavailable */
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#define ENOMEM 12 /* Not enough space */
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#define EACCES 13 /* Permission denied */
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#define EFAULT 14 /* Bad address */
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/* 15 - Unknown Error */
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#define EBUSY 16 /* strerror reports "Resource device" */
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#define EEXIST 17 /* File exists */
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#define EXDEV 18 /* Improper link (cross-device link?) */
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#define ENODEV 19 /* No such device */
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#define ENOTDIR 20 /* Not a directory */
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#define EISDIR 21 /* Is a directory */
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#define EINVAL 22 /* Invalid argument */
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#define ENFILE 23 /* Too many open files in system */
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#define EMFILE 24 /* Too many open files */
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#define ENOTTY 25 /* Inappropriate I/O control operation */
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/* 26 - Unknown Error */
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#define EFBIG 27 /* File too large */
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#define ENOSPC 28 /* No space left on device */
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#define ESPIPE 29 /* Invalid seek (seek on a pipe?) */
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#define EROFS 30 /* Read-only file system */
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#define EMLINK 31 /* Too many links */
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#define EPIPE 32 /* Broken pipe */
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#define EDOM 33 /* Domain error (math functions) */
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#define ERANGE 34 /* Result too large (possibly too small) */
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/* 35 - Unknown Error */
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#define EDEADLOCK 36 /* Resource deadlock avoided (non-Cyg) */
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#define EDEADLK 36
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/* 37 - Unknown Error */
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#define ENAMETOOLONG 38 /* Filename too long (91 in Cyg?) */
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#define ENOLCK 39 /* No locks available (46 in Cyg?) */
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#define ENOSYS 40 /* Function not implemented (88 in Cyg?) */
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#define ENOTEMPTY 41 /* Directory not empty (90 in Cyg?) */
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#define EILSEQ 42 /* Illegal byte sequence */
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/* C language function prototype declarations are unnecessary, when
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* compiling resource files, and they actually represent syntactically
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* invalid statements, in preprocessed assembly language code.
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*/
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#if ! defined RC_INVOKED && ! defined __ASSEMBLER__
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_BEGIN_C_DECLS
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/* Definitions of errno. For _doserrno, sys_nerr and * sys_errlist, see
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* stdlib.h.
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*/
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#ifdef _UWIN
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#undef errno
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extern int errno;
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#else
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_CRTIMP int* __cdecl __MINGW_NOTHROW _errno(void);
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#define errno (*_errno())
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#endif
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_END_C_DECLS
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#endif /* ! RC_INVOKED && !__ASSEMBLY__ */
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#if defined __PTW32_H && ! defined _PTW32_ERRNO_H
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/* As a courtesy to users of pthreads-win32, ensure that the appropriate
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* additional error codes, as defined by that package, are automatically
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* defined when <errno.h> is included AFTER any pthreads-win32 header; a
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* complementary hook, in <_ptw32.h>, ensures that such additional error
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* codes are defined, if <errno.h> is included BEFORE any pthreads-win32
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* header is subsequently included.
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*
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* NOTE: this assumes pthreads-win32-2.10 or later, with corresponding
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* MinGW.org patches applied; it will favour "ptw32_errno.h" installed
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* in the mingwrt system include directory.
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*/
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#include "ptw32_errno.h"
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#endif /* __PTW32_H */
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#endif /* !_ERRNO_H: $RCSfile: errno.h,v $: end of file */
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