source: Daodan/MinGW/include/errno.h@ 1122

/*
 * errno.h
 * This file has no copyright assigned and is placed in the Public Domain.
 * This file is a part of the mingw-runtime package.
 * No warranty is given; refer to the file DISCLAIMER within the package.
 *
 * Error numbers and access to error reporting.
 *
 */

#ifndef _ERRNO_H_
#define _ERRNO_H_

/* All the headers include this file. */
#include <_mingw.h>

/*
 * Error numbers.
 * TODO: Can't be sure of some of these assignments, I guessed from the
 * names given by strerror and the defines in the Cygnus errno.h. A lot
 * of the names from the Cygnus errno.h are not represented, and a few
 * of the descriptions returned by strerror do not obviously match
 * their error naming.
 */
#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 */

/*
 * NOTE: ENAMETOOLONG and ENOTEMPTY conflict with definitions in the
 *       sockets.h header provided with windows32api-0.1.2.
 *       You should go and put an #if 0 ... #endif around the whole block
 *       of errors (look at the comment above them).
 */

#ifndef RC_INVOKED

#ifdef  __cplusplus
extern "C" {
#endif

/*
 * Definitions of errno. For _doserrno, sys_nerr and * sys_errlist, see
 * stdlib.h.
 */
#ifdef _UWIN
#undef errno
extern int errno;
#else
_CRTIMP int* __cdecl __MINGW_NOTHROW _errno(void);
#define errno           (*_errno())
#endif

#ifdef  __cplusplus
}
#endif

#endif  /* Not RC_INVOKED */

#endif  /* Not _ERRNO_H_ */