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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_ */