msvc/errno.h

   1 /*
   2  * errno.h
   3  * This file has no copyright assigned and is placed in the Public Domain.
   4  * This file is a part of the mingw-runtime package.
   5  * No warranty is given; refer to the file DISCLAIMER within the package.
   6  *
   7  * Error numbers and access to error reporting.
   8  *
   9  */
  10
  11 #ifndef _ERRNO_H_
  12 #define _ERRNO_H_
  13
  14 #include <crtdefs.h>
  15
  16 /*
  17  * Error numbers.
  18  * TODO: Can't be sure of some of these assignments, I guessed from the
  19  * names given by strerror and the defines in the Cygnus errno.h. A lot
  20  * of the names from the Cygnus errno.h are not represented, and a few
  21  * of the descriptions returned by strerror do not obviously match
  22  * their error naming.
  23  */
  24 #define EPERM           1       /* Operation not permitted */
  25 #define ENOFILE         2       /* No such file or directory */
  26 #define ENOENT          2
  27 #define ESRCH           3       /* No such process */
  28 #define EINTR           4       /* Interrupted function call */
  29 #define EIO             5       /* Input/output error */
  30 #define ENXIO           6       /* No such device or address */
  31 #define E2BIG           7       /* Arg list too long */
  32 #define ENOEXEC         8       /* Exec format error */
  33 #define EBADF           9       /* Bad file descriptor */
  34 #define ECHILD          10      /* No child processes */
  35 #define EAGAIN          11      /* Resource temporarily unavailable */
  36 #define ENOMEM          12      /* Not enough space */
  37 #define EACCES          13      /* Permission denied */
  38 #define EFAULT          14      /* Bad address */
  39 /* 15 - Unknown Error */
  40 #define EBUSY           16      /* strerror reports "Resource device" */
  41 #define EEXIST          17      /* File exists */
  42 #define EXDEV           18      /* Improper link (cross-device link?) */
  43 #define ENODEV          19      /* No such device */
  44 #define ENOTDIR         20      /* Not a directory */
  45 #define EISDIR          21      /* Is a directory */
  46 #define EINVAL          22      /* Invalid argument */
  47 #define ENFILE          23      /* Too many open files in system */
  48 #define EMFILE          24      /* Too many open files */
  49 #define ENOTTY          25      /* Inappropriate I/O control operation */
  50 /* 26 - Unknown Error */
  51 #define EFBIG           27      /* File too large */
  52 #define ENOSPC          28      /* No space left on device */
  53 #define ESPIPE          29      /* Invalid seek (seek on a pipe?) */
  54 #define EROFS           30      /* Read-only file system */
  55 #define EMLINK          31      /* Too many links */
  56 #define EPIPE           32      /* Broken pipe */
  57 #define EDOM            33      /* Domain error (math functions) */
  58 #define ERANGE          34      /* Result too large (possibly too small) */
  59 /* 35 - Unknown Error */
  60 #define EDEADLOCK       36      /* Resource deadlock avoided (non-Cyg) */
  61 #define EDEADLK         36
  62 #if 0
  63 /* 37 - Unknown Error */
  64 #define ENAMETOOLONG    38      /* Filename too long (91 in Cyg?) */
  65 #define ENOLCK          39      /* No locks available (46 in Cyg?) */
  66 #define ENOSYS          40      /* Function not implemented (88 in Cyg?) */
  67 #define ENOTEMPTY       41      /* Directory not empty (90 in Cyg?) */
  68 #define EILSEQ          42      /* Illegal byte sequence */
  69 #endif
  70
  71 /*
  72  * NOTE: ENAMETOOLONG and ENOTEMPTY conflict with definitions in the
  73  *       sockets.h header provided with windows32api-0.1.2.
  74  *       You should go and put an #if 0 ... #endif around the whole block
  75  *       of errors (look at the comment above them).
  76  */
  77
  78 #ifndef RC_INVOKED
  79
  80 #ifdef  __cplusplus
  81 extern "C" {
  82 #endif
  83
  84 /*
  85  * Definitions of errno. For _doserrno, sys_nerr and * sys_errlist, see
  86  * stdlib.h.
  87  */
  88 #if defined(_UWIN) || defined(_WIN32_WCE)
  89 #undef errno
  90 extern int errno;
  91 #else
  92 _CRTIMP int* __cdecl _errno(void);
  93 #define errno           (*_errno())
  94 #endif
  95
  96 #ifdef  __cplusplus
  97 }
  98 #endif
  99
 100 #endif  /* Not RC_INVOKED */
 101
 102 #endif  /* Not _ERRNO_H_ */