source: Daodan/MinGW/include/ptw32_errno.h@ 1163

/*
 * Module: ptw32_errno.h
 *
 * Purpose:
 *      Provides a replacement for <errno.h>, with supplementary
 *      definitions for platforms which already provide their own
 *      implementation, or a complete substitute for WinCE.
 *
 * --------------------------------------------------------------------------
 *
 *      Pthreads-win32 - POSIX Threads Library for Win32
 *      Copyright(C) 1998 John E. Bossom
 *      Copyright(C) 1999-2012, 2016, Pthreads-win32 contributors
 *
 *      Homepage1: http://sourceware.org/pthreads-win32/
 *      Homepage2: http://sourceforge.net/projects/pthreads4w/
 *
 *      The current list of contributors is contained
 *      in the file CONTRIBUTORS included with the source
 *      code distribution. The list can also be seen at the
 *      following World Wide Web location:
 *      http://sources.redhat.com/pthreads-win32/contributors.html
 *
 *      This library is free software; you can redistribute it and/or
 *      modify it under the terms of the GNU Lesser General Public
 *      License as published by the Free Software Foundation; either
 *      version 2 of the License, or (at your option) any later version.
 *
 *      This library is distributed in the hope that it will be useful,
 *      but WITHOUT ANY WARRANTY; without even the implied warranty of
 *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *      Lesser General Public License for more details.
 *
 *      You should have received a copy of the GNU Lesser General Public
 *      License along with this library in the file COPYING.LIB;
 *      if not, write to the Free Software Foundation, Inc.,
 *      59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
 *
 */
#ifndef _PTW32_ERRNO_H
#define _PTW32_ERRNO_H

/* We must ensure that the core pthreads-win32 definitions are
 * read in.
 */
#include <_ptw32.h>

#if HAVE_ERRNO_H || !(defined(_WIN32_WCE) || defined(UNDER_CE))
/* Most Win32 platforms, except for WinCE, provide their own <errno.h>,
 * so, when not compiling for WinCE, or its presence has been explicitly
 * detected during project configuration, use it.
 */
# include <errno.h>

#else
/* Compiling for WinCE: we must furnish a replacement; these error codes
 * are abstracted from MinGW.org's <errno.h>
 */
#define EPERM           1       /* Operation not permitted */
#define ENOFILE         2       /* No such file or directory */
#define ENOENT          2
#define ESRCH           3       /* No such process */
#define EINTR           4       /* Interrupted function call */
#define EIO             5       /* Input/output error */
#define ENXIO           6       /* No such device or address */
#define E2BIG           7       /* Arg list too long */
#define ENOEXEC         8       /* Exec format error */
#define EBADF           9       /* Bad file descriptor */
#define ECHILD          10      /* No child processes */
#define EAGAIN          11      /* Resource temporarily unavailable */
#define ENOMEM          12      /* Not enough space */
#define EACCES          13      /* Permission denied */
#define EFAULT          14      /* Bad address */
/* 15 - Unknown Error */
#define EBUSY           16      /* strerror reports "Resource device" */
#define EEXIST          17      /* File exists */
#define EXDEV           18      /* Improper link (cross-device link?) */
#define ENODEV          19      /* No such device */
#define ENOTDIR         20      /* Not a directory */
#define EISDIR          21      /* Is a directory */
#define EINVAL          22      /* Invalid argument */
#define ENFILE          23      /* Too many open files in system */
#define EMFILE          24      /* Too many open files */
#define ENOTTY          25      /* Inappropriate I/O control operation */
/* 26 - Unknown Error */
#define EFBIG           27      /* File too large */
#define ENOSPC          28      /* No space left on device */
#define ESPIPE          29      /* Invalid seek (seek on a pipe?) */
#define EROFS           30      /* Read-only file system */
#define EMLINK          31      /* Too many links */
#define EPIPE           32      /* Broken pipe */
#define EDOM            33      /* Domain error (math functions) */
#define ERANGE          34      /* Result too large (possibly too small) */
/* 35 - Unknown Error */
#define EDEADLOCK       36      /* Resource deadlock avoided (non-Cyg) */
#define EDEADLK         36
/* 37 - Unknown Error */
#define ENAMETOOLONG    38      /* Filename too long (91 in Cyg?) */
#define ENOLCK          39      /* No locks available (46 in Cyg?) */
#define ENOSYS          40      /* Function not implemented (88 in Cyg?) */
#define ENOTEMPTY       41      /* Directory not empty (90 in Cyg?) */
#define EILSEQ          42      /* Illegal byte sequence */

#ifndef RC_INVOKED

__PTW32_BEGIN_C_DECLS
/* Definition of errno.  For _doserrno, sys_nerr, and * sys_errlist,
 * see stdlib.h.  (FIXME: this represents the implementation which is
 * provided by MSVCRT.DLL, on all regular Windows Desktop and Server
 * platforms; we may need to provide a replacement implementation,
 * which will be suitable for WinCE).
 */
__declspec(dllimport) int __cdecl *_errno(void);
#define errno (*_errno())

__PTW32_END_C_DECLS

#endif  /* ! RC_INVOKED */
#endif  /* ! HAVE_ERRNO_H */

/* Regardless of whether or not the target platform provides its own
 * <errno.h>, we depend on several error codes which may not have been
 * defined; ensure that we provide fall-back definitions.
 */
#define __PTW32_DEFINE_ERRNO(__CODE__)  (__PTW32_ERRNO_BASE__+__CODE__)

#if __PTW32_VERSION_MAJOR > 2
# define __PTW32_ERRNO_BASE__      (1000 - 42)
#else
/* FIXME: This matches the original pthreads-win32 v2 definitions,
 * but creates a conflict between EOWNERDEAD and EILSEQ.
 */
# define __PTW32_ERRNO_BASE__      0
#endif

/* POSIX.1-2008 robust mutex support.
 */
#define __PTW32_EOWNERDEAD       __PTW32_DEFINE_ERRNO( 42 )
#define __PTW32_ENOTRECOVERABLE  __PTW32_DEFINE_ERRNO( 43 )

#ifndef EOWNERDEAD
#define EOWNERDEAD               __PTW32_EOWNERDEAD
#endif

#ifndef ENOTRECOVERABLE
#define ENOTRECOVERABLE          __PTW32_ENOTRECOVERABLE
#endif

#if !defined(EDEADLK)
/* This is the standard name, prescribed by POSIX.1.  MinGW.org's
 * <errno.h> already defines it, but some other platforms may not.
 */
# if defined(EDEADLOCK)
#  define EDEADLK  EDEADLOCK    /* Some older MS tools defined it thus... */
# else
#  define EDEADLK  36           /* ...while MinGW.org defines both thus. */
# endif
#endif

#if !defined(ENOTSUP)
# define ENOTSUP   48           /* This is the value in Solaris. */
#endif

#if !defined(ENOSYS)
# define ENOSYS   140           /* Semi-arbitrary value */
#endif

#if !defined(ETIMEDOUT)
/* Not normally defined in Win32 <errno.h>, but at one time it may
 * have been defined in <winsock.h>; this seems to be no longer the
 * case, but WSAETIMEDOUT may offer a suitable substitute.
 *
 * FIXME: this may be incompatible with any application which wants
 * to use <winsock2.h>
 */
# include <winsock.h>
# if !defined(ETIMEDOUT)
#  if defined(WSAETIMEDOUT)
#   define ETIMEDOUT  WSAETIMEDOUT
#  else
#   define ETIMEDOUT  10060     /* This is the value of WSAETIMEDOUT in winsock.h. */
#  endif
# endif
#endif

#endif  /* ! _PTW32_ERRNO_H_ */