1 | //! The `rustix` `Errno` type. |
2 | //! |
3 | //! This type holds an OS error code, which conceptually corresponds to an |
4 | //! `errno` value. |
5 | //! |
6 | //! # Safety |
7 | //! |
8 | //! Linux uses error codes in `-4095..0`; we use rustc attributes to describe |
9 | //! this restricted range of values. |
10 | #![allow (unsafe_code)] |
11 | #![cfg_attr (not(rustc_attrs), allow(unused_unsafe))] |
12 | |
13 | use crate::backend::c; |
14 | use crate::backend::fd::RawFd; |
15 | use crate::backend::reg::{RetNumber, RetReg}; |
16 | use crate::io; |
17 | use linux_raw_sys::errno; |
18 | |
19 | /// `errno`—An error code. |
20 | /// |
21 | /// The error type for `rustix` APIs. This is similar to [`std::io::Error`], |
22 | /// but only holds an OS error code, and no extra error value. |
23 | /// |
24 | /// # References |
25 | /// - [POSIX] |
26 | /// - [Linux] |
27 | /// - [Winsock] |
28 | /// - [FreeBSD] |
29 | /// - [NetBSD] |
30 | /// - [OpenBSD] |
31 | /// - [DragonFly BSD] |
32 | /// - [illumos] |
33 | /// - [glibc] |
34 | /// |
35 | /// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/errno.html |
36 | /// [Linux]: https://man7.org/linux/man-pages/man3/errno.3.html |
37 | /// [Winsock]: https://learn.microsoft.com/en-us/windows/win32/winsock/windows-sockets-error-codes-2 |
38 | /// [FreeBSD]: https://man.freebsd.org/cgi/man.cgi?errno |
39 | /// [NetBSD]: https://man.netbsd.org/errno.2 |
40 | /// [OpenBSD]: https://man.openbsd.org/errno.2 |
41 | /// [DragonFly BSD]: https://man.dragonflybsd.org/?command=errno§ion=2 |
42 | /// [illumos]: https://illumos.org/man/3C/errno |
43 | /// [glibc]: https://www.gnu.org/software/libc/manual/html_node/Error-Codes.html |
44 | /// [`std::io::Error`]: Result |
45 | #[repr (transparent)] |
46 | #[doc (alias = "errno" )] |
47 | #[derive(Eq, PartialEq, Hash, Copy, Clone)] |
48 | // Linux returns negated error codes, and we leave them in negated form, so |
49 | // error codes are in `-4095..0`. |
50 | #[cfg_attr (rustc_attrs, rustc_layout_scalar_valid_range_start(0xf001))] |
51 | #[cfg_attr (rustc_attrs, rustc_layout_scalar_valid_range_end(0xffff))] |
52 | pub struct Errno(u16); |
53 | |
54 | impl Errno { |
55 | /// Extract an `Errno` value from a `std::io::Error`. |
56 | /// |
57 | /// This isn't a `From` conversion because it's expected to be relatively |
58 | /// uncommon. |
59 | #[cfg (feature = "std" )] |
60 | #[inline ] |
61 | pub fn from_io_error(io_err: &std::io::Error) -> Option<Self> { |
62 | io_err.raw_os_error().and_then(|raw| { |
63 | // `std::io::Error` could theoretically have arbitrary OS error |
64 | // values, so check that they're in Linux's range. |
65 | if (1..4096).contains(&raw) { |
66 | Some(Self::from_errno(raw as u32)) |
67 | } else { |
68 | None |
69 | } |
70 | }) |
71 | } |
72 | |
73 | /// Extract the raw OS error number from this error. |
74 | #[inline ] |
75 | pub const fn raw_os_error(self) -> i32 { |
76 | (self.0 as i16 as i32).wrapping_neg() |
77 | } |
78 | |
79 | /// Construct an `Errno` from a raw OS error number. |
80 | #[inline ] |
81 | pub const fn from_raw_os_error(raw: i32) -> Self { |
82 | Self::from_errno(raw as u32) |
83 | } |
84 | |
85 | /// Convert from a C `errno` value (which is positive) to an `Errno`. |
86 | const fn from_errno(raw: u32) -> Self { |
87 | // We store error values in negated form, so that we don't have to |
88 | // negate them after every syscall. |
89 | let encoded = raw.wrapping_neg() as u16; |
90 | |
91 | // TODO: Use Range::contains, once that's `const`. |
92 | assert!(encoded >= 0xf001); |
93 | |
94 | // SAFETY: Linux syscalls return negated error values in the range |
95 | // `-4095..0`, which we just asserted. |
96 | unsafe { Self(encoded) } |
97 | } |
98 | } |
99 | |
100 | /// Check for an error from the result of a syscall which encodes a |
101 | /// `c::c_int` on success. |
102 | #[inline ] |
103 | pub(in crate::backend) fn try_decode_c_int<Num: RetNumber>( |
104 | raw: RetReg<Num>, |
105 | ) -> io::Result<c::c_int> { |
106 | if raw.is_in_range(-4095..0) { |
107 | // SAFETY: `raw` must be in `-4095..0`, and we just checked that raw is |
108 | // in that range. |
109 | return Err(unsafe { Errno(raw.decode_error_code()) }); |
110 | } |
111 | |
112 | Ok(raw.decode_c_int()) |
113 | } |
114 | |
115 | /// Check for an error from the result of a syscall which encodes a |
116 | /// `c::c_uint` on success. |
117 | #[inline ] |
118 | pub(in crate::backend) fn try_decode_c_uint<Num: RetNumber>( |
119 | raw: RetReg<Num>, |
120 | ) -> io::Result<c::c_uint> { |
121 | if raw.is_in_range(-4095..0) { |
122 | // SAFETY: `raw` must be in `-4095..0`, and we just checked that raw is |
123 | // in that range. |
124 | return Err(unsafe { Errno(raw.decode_error_code()) }); |
125 | } |
126 | |
127 | Ok(raw.decode_c_uint()) |
128 | } |
129 | |
130 | /// Check for an error from the result of a syscall which encodes a `usize` on |
131 | /// success. |
132 | #[inline ] |
133 | pub(in crate::backend) fn try_decode_usize<Num: RetNumber>(raw: RetReg<Num>) -> io::Result<usize> { |
134 | if raw.is_in_range(-4095..0) { |
135 | // SAFETY: `raw` must be in `-4095..0`, and we just checked that raw is |
136 | // in that range. |
137 | return Err(unsafe { Errno(raw.decode_error_code()) }); |
138 | } |
139 | |
140 | Ok(raw.decode_usize()) |
141 | } |
142 | |
143 | /// Check for an error from the result of a syscall which encodes a |
144 | /// `*mut c_void` on success. |
145 | #[inline ] |
146 | pub(in crate::backend) fn try_decode_void_star<Num: RetNumber>( |
147 | raw: RetReg<Num>, |
148 | ) -> io::Result<*mut c::c_void> { |
149 | if raw.is_in_range(-4095..0) { |
150 | // SAFETY: `raw` must be in `-4095..0`, and we just checked that raw is |
151 | // in that range. |
152 | return Err(unsafe { Errno(raw.decode_error_code()) }); |
153 | } |
154 | |
155 | Ok(raw.decode_void_star()) |
156 | } |
157 | |
158 | /// Check for an error from the result of a syscall which encodes a |
159 | /// `u64` on success. |
160 | #[cfg (target_pointer_width = "64" )] |
161 | #[inline ] |
162 | pub(in crate::backend) fn try_decode_u64<Num: RetNumber>(raw: RetReg<Num>) -> io::Result<u64> { |
163 | if raw.is_in_range(-4095..0) { |
164 | // SAFETY: `raw` must be in `-4095..0`, and we just checked that raw is |
165 | // in that range. |
166 | return Err(unsafe { Errno(raw.decode_error_code()) }); |
167 | } |
168 | |
169 | Ok(raw.decode_u64()) |
170 | } |
171 | |
172 | /// Check for an error from the result of a syscall which encodes a file |
173 | /// descriptor on success. |
174 | /// |
175 | /// # Safety |
176 | /// |
177 | /// This must only be used with syscalls which return file descriptors on |
178 | /// success. |
179 | #[inline ] |
180 | pub(in crate::backend) unsafe fn try_decode_raw_fd<Num: RetNumber>( |
181 | raw: RetReg<Num>, |
182 | ) -> io::Result<RawFd> { |
183 | // Instead of using `check_result` here, we just check for negative, since |
184 | // this function is only used for system calls which return file |
185 | // descriptors, and this produces smaller code. |
186 | if raw.is_negative() { |
187 | debug_assert!(raw.is_in_range(-4095..0)); |
188 | |
189 | // Tell the optimizer that we know the value is in the error range. |
190 | // This helps it avoid unnecessary integer conversions. |
191 | #[cfg (core_intrinsics)] |
192 | { |
193 | core::intrinsics::assume(raw.is_in_range(-4095..0)); |
194 | } |
195 | |
196 | return Err(Errno(raw.decode_error_code())); |
197 | } |
198 | |
199 | Ok(raw.decode_raw_fd()) |
200 | } |
201 | |
202 | /// Check for an error from the result of a syscall which encodes no value on |
203 | /// success. On success, return the unconsumed `raw` value. |
204 | /// |
205 | /// # Safety |
206 | /// |
207 | /// This must only be used with syscalls which return no value on success. |
208 | #[inline ] |
209 | pub(in crate::backend) unsafe fn try_decode_void<Num: RetNumber>( |
210 | raw: RetReg<Num>, |
211 | ) -> io::Result<()> { |
212 | // Instead of using `check_result` here, we just check for zero, since this |
213 | // function is only used for system calls which have no other return value, |
214 | // and this produces smaller code. |
215 | if raw.is_nonzero() { |
216 | debug_assert!(raw.is_in_range(-4095..0)); |
217 | |
218 | // Tell the optimizer that we know the value is in the error range. |
219 | // This helps it avoid unnecessary integer conversions. |
220 | #[cfg (core_intrinsics)] |
221 | { |
222 | core::intrinsics::assume(raw.is_in_range(-4095..0)); |
223 | } |
224 | |
225 | return Err(Errno(raw.decode_error_code())); |
226 | } |
227 | |
228 | raw.decode_void(); |
229 | |
230 | Ok(()) |
231 | } |
232 | |
233 | /// Check for an error from the result of a syscall which does not return on |
234 | /// success. On success, return the unconsumed `raw` value. |
235 | /// |
236 | /// # Safety |
237 | /// |
238 | /// This must only be used with syscalls which do not return on success. |
239 | #[cfg (any(feature = "event" , feature = "runtime" ))] |
240 | #[inline ] |
241 | pub(in crate::backend) unsafe fn try_decode_error<Num: RetNumber>(raw: RetReg<Num>) -> io::Errno { |
242 | debug_assert!(raw.is_in_range(-4095..0)); |
243 | |
244 | // Tell the optimizer that we know the value is in the error range. |
245 | // This helps it avoid unnecessary integer conversions. |
246 | #[cfg (core_intrinsics)] |
247 | { |
248 | core::intrinsics::assume(raw.is_in_range(-4095..0)); |
249 | } |
250 | |
251 | Errno(raw.decode_error_code()) |
252 | } |
253 | |
254 | /// Return the contained `usize` value. |
255 | #[cfg (not(debug_assertions))] |
256 | #[inline ] |
257 | pub(in crate::backend) fn decode_usize_infallible<Num: RetNumber>(raw: RetReg<Num>) -> usize { |
258 | raw.decode_usize() |
259 | } |
260 | |
261 | /// Return the contained `c_int` value. |
262 | #[cfg (not(debug_assertions))] |
263 | #[inline ] |
264 | pub(in crate::backend) fn decode_c_int_infallible<Num: RetNumber>(raw: RetReg<Num>) -> c::c_int { |
265 | raw.decode_c_int() |
266 | } |
267 | |
268 | /// Return the contained `c_uint` value. |
269 | #[cfg (not(debug_assertions))] |
270 | #[inline ] |
271 | pub(in crate::backend) fn decode_c_uint_infallible<Num: RetNumber>(raw: RetReg<Num>) -> c::c_uint { |
272 | raw.decode_c_uint() |
273 | } |
274 | |
275 | impl Errno { |
276 | /// `EACCES` |
277 | #[doc (alias = "ACCES" )] |
278 | pub const ACCESS: Self = Self::from_errno(errno::EACCES); |
279 | /// `EADDRINUSE` |
280 | pub const ADDRINUSE: Self = Self::from_errno(errno::EADDRINUSE); |
281 | /// `EADDRNOTAVAIL` |
282 | pub const ADDRNOTAVAIL: Self = Self::from_errno(errno::EADDRNOTAVAIL); |
283 | /// `EADV` |
284 | pub const ADV: Self = Self::from_errno(errno::EADV); |
285 | /// `EAFNOSUPPORT` |
286 | pub const AFNOSUPPORT: Self = Self::from_errno(errno::EAFNOSUPPORT); |
287 | /// `EAGAIN` |
288 | pub const AGAIN: Self = Self::from_errno(errno::EAGAIN); |
289 | /// `EALREADY` |
290 | pub const ALREADY: Self = Self::from_errno(errno::EALREADY); |
291 | /// `EBADE` |
292 | pub const BADE: Self = Self::from_errno(errno::EBADE); |
293 | /// `EBADF` |
294 | pub const BADF: Self = Self::from_errno(errno::EBADF); |
295 | /// `EBADFD` |
296 | pub const BADFD: Self = Self::from_errno(errno::EBADFD); |
297 | /// `EBADMSG` |
298 | pub const BADMSG: Self = Self::from_errno(errno::EBADMSG); |
299 | /// `EBADR` |
300 | pub const BADR: Self = Self::from_errno(errno::EBADR); |
301 | /// `EBADRQC` |
302 | pub const BADRQC: Self = Self::from_errno(errno::EBADRQC); |
303 | /// `EBADSLT` |
304 | pub const BADSLT: Self = Self::from_errno(errno::EBADSLT); |
305 | /// `EBFONT` |
306 | pub const BFONT: Self = Self::from_errno(errno::EBFONT); |
307 | /// `EBUSY` |
308 | pub const BUSY: Self = Self::from_errno(errno::EBUSY); |
309 | /// `ECANCELED` |
310 | pub const CANCELED: Self = Self::from_errno(errno::ECANCELED); |
311 | /// `ECHILD` |
312 | pub const CHILD: Self = Self::from_errno(errno::ECHILD); |
313 | /// `ECHRNG` |
314 | pub const CHRNG: Self = Self::from_errno(errno::ECHRNG); |
315 | /// `ECOMM` |
316 | pub const COMM: Self = Self::from_errno(errno::ECOMM); |
317 | /// `ECONNABORTED` |
318 | pub const CONNABORTED: Self = Self::from_errno(errno::ECONNABORTED); |
319 | /// `ECONNREFUSED` |
320 | pub const CONNREFUSED: Self = Self::from_errno(errno::ECONNREFUSED); |
321 | /// `ECONNRESET` |
322 | pub const CONNRESET: Self = Self::from_errno(errno::ECONNRESET); |
323 | /// `EDEADLK` |
324 | pub const DEADLK: Self = Self::from_errno(errno::EDEADLK); |
325 | /// `EDEADLOCK` |
326 | pub const DEADLOCK: Self = Self::from_errno(errno::EDEADLOCK); |
327 | /// `EDESTADDRREQ` |
328 | pub const DESTADDRREQ: Self = Self::from_errno(errno::EDESTADDRREQ); |
329 | /// `EDOM` |
330 | pub const DOM: Self = Self::from_errno(errno::EDOM); |
331 | /// `EDOTDOT` |
332 | pub const DOTDOT: Self = Self::from_errno(errno::EDOTDOT); |
333 | /// `EDQUOT` |
334 | pub const DQUOT: Self = Self::from_errno(errno::EDQUOT); |
335 | /// `EEXIST` |
336 | pub const EXIST: Self = Self::from_errno(errno::EEXIST); |
337 | /// `EFAULT` |
338 | pub const FAULT: Self = Self::from_errno(errno::EFAULT); |
339 | /// `EFBIG` |
340 | pub const FBIG: Self = Self::from_errno(errno::EFBIG); |
341 | /// `EHOSTDOWN` |
342 | pub const HOSTDOWN: Self = Self::from_errno(errno::EHOSTDOWN); |
343 | /// `EHOSTUNREACH` |
344 | pub const HOSTUNREACH: Self = Self::from_errno(errno::EHOSTUNREACH); |
345 | /// `EHWPOISON` |
346 | pub const HWPOISON: Self = Self::from_errno(errno::EHWPOISON); |
347 | /// `EIDRM` |
348 | pub const IDRM: Self = Self::from_errno(errno::EIDRM); |
349 | /// `EILSEQ` |
350 | pub const ILSEQ: Self = Self::from_errno(errno::EILSEQ); |
351 | /// `EINPROGRESS` |
352 | pub const INPROGRESS: Self = Self::from_errno(errno::EINPROGRESS); |
353 | /// `EINTR`. |
354 | /// |
355 | /// For a convenient way to retry system calls that exit with `INTR`, use |
356 | /// [`retry_on_intr`]. |
357 | /// |
358 | /// [`retry_on_intr`]: io::retry_on_intr |
359 | pub const INTR: Self = Self::from_errno(errno::EINTR); |
360 | /// `EINVAL` |
361 | pub const INVAL: Self = Self::from_errno(errno::EINVAL); |
362 | /// `EIO` |
363 | pub const IO: Self = Self::from_errno(errno::EIO); |
364 | /// `EISCONN` |
365 | pub const ISCONN: Self = Self::from_errno(errno::EISCONN); |
366 | /// `EISDIR` |
367 | pub const ISDIR: Self = Self::from_errno(errno::EISDIR); |
368 | /// `EISNAM` |
369 | pub const ISNAM: Self = Self::from_errno(errno::EISNAM); |
370 | /// `EKEYEXPIRED` |
371 | pub const KEYEXPIRED: Self = Self::from_errno(errno::EKEYEXPIRED); |
372 | /// `EKEYREJECTED` |
373 | pub const KEYREJECTED: Self = Self::from_errno(errno::EKEYREJECTED); |
374 | /// `EKEYREVOKED` |
375 | pub const KEYREVOKED: Self = Self::from_errno(errno::EKEYREVOKED); |
376 | /// `EL2HLT` |
377 | pub const L2HLT: Self = Self::from_errno(errno::EL2HLT); |
378 | /// `EL2NSYNC` |
379 | pub const L2NSYNC: Self = Self::from_errno(errno::EL2NSYNC); |
380 | /// `EL3HLT` |
381 | pub const L3HLT: Self = Self::from_errno(errno::EL3HLT); |
382 | /// `EL3RST` |
383 | pub const L3RST: Self = Self::from_errno(errno::EL3RST); |
384 | /// `ELIBACC` |
385 | pub const LIBACC: Self = Self::from_errno(errno::ELIBACC); |
386 | /// `ELIBBAD` |
387 | pub const LIBBAD: Self = Self::from_errno(errno::ELIBBAD); |
388 | /// `ELIBEXEC` |
389 | pub const LIBEXEC: Self = Self::from_errno(errno::ELIBEXEC); |
390 | /// `ELIBMAX` |
391 | pub const LIBMAX: Self = Self::from_errno(errno::ELIBMAX); |
392 | /// `ELIBSCN` |
393 | pub const LIBSCN: Self = Self::from_errno(errno::ELIBSCN); |
394 | /// `ELNRNG` |
395 | pub const LNRNG: Self = Self::from_errno(errno::ELNRNG); |
396 | /// `ELOOP` |
397 | pub const LOOP: Self = Self::from_errno(errno::ELOOP); |
398 | /// `EMEDIUMTYPE` |
399 | pub const MEDIUMTYPE: Self = Self::from_errno(errno::EMEDIUMTYPE); |
400 | /// `EMFILE` |
401 | pub const MFILE: Self = Self::from_errno(errno::EMFILE); |
402 | /// `EMLINK` |
403 | pub const MLINK: Self = Self::from_errno(errno::EMLINK); |
404 | /// `EMSGSIZE` |
405 | pub const MSGSIZE: Self = Self::from_errno(errno::EMSGSIZE); |
406 | /// `EMULTIHOP` |
407 | pub const MULTIHOP: Self = Self::from_errno(errno::EMULTIHOP); |
408 | /// `ENAMETOOLONG` |
409 | pub const NAMETOOLONG: Self = Self::from_errno(errno::ENAMETOOLONG); |
410 | /// `ENAVAIL` |
411 | pub const NAVAIL: Self = Self::from_errno(errno::ENAVAIL); |
412 | /// `ENETDOWN` |
413 | pub const NETDOWN: Self = Self::from_errno(errno::ENETDOWN); |
414 | /// `ENETRESET` |
415 | pub const NETRESET: Self = Self::from_errno(errno::ENETRESET); |
416 | /// `ENETUNREACH` |
417 | pub const NETUNREACH: Self = Self::from_errno(errno::ENETUNREACH); |
418 | /// `ENFILE` |
419 | pub const NFILE: Self = Self::from_errno(errno::ENFILE); |
420 | /// `ENOANO` |
421 | pub const NOANO: Self = Self::from_errno(errno::ENOANO); |
422 | /// `ENOBUFS` |
423 | pub const NOBUFS: Self = Self::from_errno(errno::ENOBUFS); |
424 | /// `ENOCSI` |
425 | pub const NOCSI: Self = Self::from_errno(errno::ENOCSI); |
426 | /// `ENODATA` |
427 | #[doc (alias = "NOATTR" )] |
428 | pub const NODATA: Self = Self::from_errno(errno::ENODATA); |
429 | /// `ENODEV` |
430 | pub const NODEV: Self = Self::from_errno(errno::ENODEV); |
431 | /// `ENOENT` |
432 | pub const NOENT: Self = Self::from_errno(errno::ENOENT); |
433 | /// `ENOEXEC` |
434 | pub const NOEXEC: Self = Self::from_errno(errno::ENOEXEC); |
435 | /// `ENOKEY` |
436 | pub const NOKEY: Self = Self::from_errno(errno::ENOKEY); |
437 | /// `ENOLCK` |
438 | pub const NOLCK: Self = Self::from_errno(errno::ENOLCK); |
439 | /// `ENOLINK` |
440 | pub const NOLINK: Self = Self::from_errno(errno::ENOLINK); |
441 | /// `ENOMEDIUM` |
442 | pub const NOMEDIUM: Self = Self::from_errno(errno::ENOMEDIUM); |
443 | /// `ENOMEM` |
444 | pub const NOMEM: Self = Self::from_errno(errno::ENOMEM); |
445 | /// `ENOMSG` |
446 | pub const NOMSG: Self = Self::from_errno(errno::ENOMSG); |
447 | /// `ENONET` |
448 | pub const NONET: Self = Self::from_errno(errno::ENONET); |
449 | /// `ENOPKG` |
450 | pub const NOPKG: Self = Self::from_errno(errno::ENOPKG); |
451 | /// `ENOPROTOOPT` |
452 | pub const NOPROTOOPT: Self = Self::from_errno(errno::ENOPROTOOPT); |
453 | /// `ENOSPC` |
454 | pub const NOSPC: Self = Self::from_errno(errno::ENOSPC); |
455 | /// `ENOSR` |
456 | pub const NOSR: Self = Self::from_errno(errno::ENOSR); |
457 | /// `ENOSTR` |
458 | pub const NOSTR: Self = Self::from_errno(errno::ENOSTR); |
459 | /// `ENOSYS` |
460 | pub const NOSYS: Self = Self::from_errno(errno::ENOSYS); |
461 | /// `ENOTBLK` |
462 | pub const NOTBLK: Self = Self::from_errno(errno::ENOTBLK); |
463 | /// `ENOTCONN` |
464 | pub const NOTCONN: Self = Self::from_errno(errno::ENOTCONN); |
465 | /// `ENOTDIR` |
466 | pub const NOTDIR: Self = Self::from_errno(errno::ENOTDIR); |
467 | /// `ENOTEMPTY` |
468 | pub const NOTEMPTY: Self = Self::from_errno(errno::ENOTEMPTY); |
469 | /// `ENOTNAM` |
470 | pub const NOTNAM: Self = Self::from_errno(errno::ENOTNAM); |
471 | /// `ENOTRECOVERABLE` |
472 | pub const NOTRECOVERABLE: Self = Self::from_errno(errno::ENOTRECOVERABLE); |
473 | /// `ENOTSOCK` |
474 | pub const NOTSOCK: Self = Self::from_errno(errno::ENOTSOCK); |
475 | /// `ENOTSUP` |
476 | // On Linux, `ENOTSUP` has the same value as `EOPNOTSUPP`. |
477 | pub const NOTSUP: Self = Self::from_errno(errno::EOPNOTSUPP); |
478 | /// `ENOTTY` |
479 | pub const NOTTY: Self = Self::from_errno(errno::ENOTTY); |
480 | /// `ENOTUNIQ` |
481 | pub const NOTUNIQ: Self = Self::from_errno(errno::ENOTUNIQ); |
482 | /// `ENXIO` |
483 | pub const NXIO: Self = Self::from_errno(errno::ENXIO); |
484 | /// `EOPNOTSUPP` |
485 | pub const OPNOTSUPP: Self = Self::from_errno(errno::EOPNOTSUPP); |
486 | /// `EOVERFLOW` |
487 | pub const OVERFLOW: Self = Self::from_errno(errno::EOVERFLOW); |
488 | /// `EOWNERDEAD` |
489 | pub const OWNERDEAD: Self = Self::from_errno(errno::EOWNERDEAD); |
490 | /// `EPERM` |
491 | pub const PERM: Self = Self::from_errno(errno::EPERM); |
492 | /// `EPFNOSUPPORT` |
493 | pub const PFNOSUPPORT: Self = Self::from_errno(errno::EPFNOSUPPORT); |
494 | /// `EPIPE` |
495 | pub const PIPE: Self = Self::from_errno(errno::EPIPE); |
496 | /// `EPROTO` |
497 | pub const PROTO: Self = Self::from_errno(errno::EPROTO); |
498 | /// `EPROTONOSUPPORT` |
499 | pub const PROTONOSUPPORT: Self = Self::from_errno(errno::EPROTONOSUPPORT); |
500 | /// `EPROTOTYPE` |
501 | pub const PROTOTYPE: Self = Self::from_errno(errno::EPROTOTYPE); |
502 | /// `ERANGE` |
503 | pub const RANGE: Self = Self::from_errno(errno::ERANGE); |
504 | /// `EREMCHG` |
505 | pub const REMCHG: Self = Self::from_errno(errno::EREMCHG); |
506 | /// `EREMOTE` |
507 | pub const REMOTE: Self = Self::from_errno(errno::EREMOTE); |
508 | /// `EREMOTEIO` |
509 | pub const REMOTEIO: Self = Self::from_errno(errno::EREMOTEIO); |
510 | /// `ERESTART` |
511 | pub const RESTART: Self = Self::from_errno(errno::ERESTART); |
512 | /// `ERFKILL` |
513 | pub const RFKILL: Self = Self::from_errno(errno::ERFKILL); |
514 | /// `EROFS` |
515 | pub const ROFS: Self = Self::from_errno(errno::EROFS); |
516 | /// `ESHUTDOWN` |
517 | pub const SHUTDOWN: Self = Self::from_errno(errno::ESHUTDOWN); |
518 | /// `ESOCKTNOSUPPORT` |
519 | pub const SOCKTNOSUPPORT: Self = Self::from_errno(errno::ESOCKTNOSUPPORT); |
520 | /// `ESPIPE` |
521 | pub const SPIPE: Self = Self::from_errno(errno::ESPIPE); |
522 | /// `ESRCH` |
523 | pub const SRCH: Self = Self::from_errno(errno::ESRCH); |
524 | /// `ESRMNT` |
525 | pub const SRMNT: Self = Self::from_errno(errno::ESRMNT); |
526 | /// `ESTALE` |
527 | pub const STALE: Self = Self::from_errno(errno::ESTALE); |
528 | /// `ESTRPIPE` |
529 | pub const STRPIPE: Self = Self::from_errno(errno::ESTRPIPE); |
530 | /// `ETIME` |
531 | pub const TIME: Self = Self::from_errno(errno::ETIME); |
532 | /// `ETIMEDOUT` |
533 | pub const TIMEDOUT: Self = Self::from_errno(errno::ETIMEDOUT); |
534 | /// `E2BIG` |
535 | #[doc (alias = "2BIG" )] |
536 | pub const TOOBIG: Self = Self::from_errno(errno::E2BIG); |
537 | /// `ETOOMANYREFS` |
538 | pub const TOOMANYREFS: Self = Self::from_errno(errno::ETOOMANYREFS); |
539 | /// `ETXTBSY` |
540 | pub const TXTBSY: Self = Self::from_errno(errno::ETXTBSY); |
541 | /// `EUCLEAN` |
542 | pub const UCLEAN: Self = Self::from_errno(errno::EUCLEAN); |
543 | /// `EUNATCH` |
544 | pub const UNATCH: Self = Self::from_errno(errno::EUNATCH); |
545 | /// `EUSERS` |
546 | pub const USERS: Self = Self::from_errno(errno::EUSERS); |
547 | /// `EWOULDBLOCK` |
548 | pub const WOULDBLOCK: Self = Self::from_errno(errno::EWOULDBLOCK); |
549 | /// `EXDEV` |
550 | pub const XDEV: Self = Self::from_errno(errno::EXDEV); |
551 | /// `EXFULL` |
552 | pub const XFULL: Self = Self::from_errno(errno::EXFULL); |
553 | } |
554 | |