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      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_ */