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
13use crate::backend::c;
14use crate::backend::fd::RawFd;
15use crate::backend::reg::{RetNumber, RetReg};
16use crate::io;
17use 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/9799919799/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&section=2
42/// [illumos]: https://illumos.org/man/3C/errno
43/// [glibc]: https://sourceware.org/glibc/manual/latest/html_node/Error-Codes.html
44#[repr(transparent)]
45#[doc(alias = "errno")]
46#[derive(Eq, PartialEq, Hash, Copy, Clone)]
47// Linux returns negated error codes, and we leave them in negated form, so
48// error codes are in `-4095..0`.
49#[cfg_attr(rustc_attrs, rustc_layout_scalar_valid_range_start(0xf001))]
50#[cfg_attr(rustc_attrs, rustc_layout_scalar_valid_range_end(0xffff))]
51pub struct Errno(u16);
52
53impl Errno {
54 /// Extract an `Errno` value from a `std::io::Error`.
55 ///
56 /// This isn't a `From` conversion because it's expected to be relatively
57 /// uncommon.
58 #[cfg(feature = "std")]
59 #[inline]
60 pub fn from_io_error(io_err: &std::io::Error) -> Option<Self> {
61 io_err.raw_os_error().and_then(|raw| {
62 // `std::io::Error` could theoretically have arbitrary OS error
63 // values, so check that they're in Linux's range.
64 if (1..4096).contains(&raw) {
65 Some(Self::from_errno(raw as u32))
66 } else {
67 None
68 }
69 })
70 }
71
72 /// Extract the raw OS error number from this error.
73 #[inline]
74 pub const fn raw_os_error(self) -> i32 {
75 (self.0 as i16 as i32).wrapping_neg()
76 }
77
78 /// Construct an `Errno` from a raw OS error number.
79 #[inline]
80 pub const fn from_raw_os_error(raw: i32) -> Self {
81 Self::from_errno(raw as u32)
82 }
83
84 /// Convert from a C `errno` value (which is positive) to an `Errno`.
85 const fn from_errno(raw: u32) -> Self {
86 // We store error values in negated form, so that we don't have to
87 // negate them after every syscall.
88 let encoded = raw.wrapping_neg() as u16;
89
90 // TODO: Use Range::contains, once that's `const`.
91 assert!(encoded >= 0xf001);
92
93 // SAFETY: Linux syscalls return negated error values in the range
94 // `-4095..0`, which we just asserted.
95 unsafe { Self(encoded) }
96 }
97}
98
99/// Check for an error from the result of a syscall which encodes a
100/// `c::c_int` on success.
101#[inline]
102pub(in crate::backend) fn try_decode_c_int<Num: RetNumber>(
103 raw: RetReg<Num>,
104) -> io::Result<c::c_int> {
105 if raw.is_in_range(-4095..0) {
106 // SAFETY: `raw` must be in `-4095..0`, and we just checked that raw is
107 // in that range.
108 return Err(unsafe { Errno(raw.decode_error_code()) });
109 }
110
111 Ok(raw.decode_c_int())
112}
113
114/// Check for an error from the result of a syscall which encodes a
115/// `c::c_uint` on success.
116#[inline]
117pub(in crate::backend) fn try_decode_c_uint<Num: RetNumber>(
118 raw: RetReg<Num>,
119) -> io::Result<c::c_uint> {
120 if raw.is_in_range(-4095..0) {
121 // SAFETY: `raw` must be in `-4095..0`, and we just checked that raw is
122 // in that range.
123 return Err(unsafe { Errno(raw.decode_error_code()) });
124 }
125
126 Ok(raw.decode_c_uint())
127}
128
129/// Check for an error from the result of a syscall which encodes a `usize` on
130/// success.
131#[inline]
132pub(in crate::backend) fn try_decode_usize<Num: RetNumber>(raw: RetReg<Num>) -> io::Result<usize> {
133 if raw.is_in_range(-4095..0) {
134 // SAFETY: `raw` must be in `-4095..0`, and we just checked that raw is
135 // in that range.
136 return Err(unsafe { Errno(raw.decode_error_code()) });
137 }
138
139 Ok(raw.decode_usize())
140}
141
142/// Check for an error from the result of a syscall which encodes a
143/// `*mut c_void` on success.
144#[inline]
145pub(in crate::backend) fn try_decode_void_star<Num: RetNumber>(
146 raw: RetReg<Num>,
147) -> io::Result<*mut c::c_void> {
148 if raw.is_in_range(-4095..0) {
149 // SAFETY: `raw` must be in `-4095..0`, and we just checked that raw is
150 // in that range.
151 return Err(unsafe { Errno(raw.decode_error_code()) });
152 }
153
154 Ok(raw.decode_void_star())
155}
156
157/// Check for an error from the result of a syscall which encodes a
158/// `u64` on success.
159#[cfg(target_pointer_width = "64")]
160#[inline]
161pub(in crate::backend) fn try_decode_u64<Num: RetNumber>(raw: RetReg<Num>) -> io::Result<u64> {
162 if raw.is_in_range(-4095..0) {
163 // SAFETY: `raw` must be in `-4095..0`, and we just checked that raw is
164 // in that range.
165 return Err(unsafe { Errno(raw.decode_error_code()) });
166 }
167
168 Ok(raw.decode_u64())
169}
170
171/// Check for an error from the result of a syscall which encodes a file
172/// descriptor on success.
173///
174/// # Safety
175///
176/// This must only be used with syscalls which return file descriptors on
177/// success.
178#[inline]
179pub(in crate::backend) unsafe fn try_decode_raw_fd<Num: RetNumber>(
180 raw: RetReg<Num>,
181) -> io::Result<RawFd> {
182 // Instead of using `check_result` here, we just check for negative, since
183 // this function is only used for system calls which return file
184 // descriptors, and this produces smaller code.
185 if raw.is_negative() {
186 debug_assert!(raw.is_in_range(-4095..0));
187
188 // Tell the optimizer that we know the value is in the error range.
189 // This helps it avoid unnecessary integer conversions.
190 #[cfg(core_intrinsics)]
191 {
192 core::intrinsics::assume(raw.is_in_range(-4095..0));
193 }
194
195 return Err(Errno(raw.decode_error_code()));
196 }
197
198 Ok(raw.decode_raw_fd())
199}
200
201/// Check for an error from the result of a syscall which encodes no value on
202/// success. On success, return the unconsumed `raw` value.
203///
204/// # Safety
205///
206/// This must only be used with syscalls which return no value on success.
207#[inline]
208pub(in crate::backend) unsafe fn try_decode_void<Num: RetNumber>(
209 raw: RetReg<Num>,
210) -> io::Result<()> {
211 // Instead of using `check_result` here, we just check for zero, since this
212 // function is only used for system calls which have no other return value,
213 // and this produces smaller code.
214 if raw.is_nonzero() {
215 debug_assert!(raw.is_in_range(-4095..0));
216
217 // Tell the optimizer that we know the value is in the error range.
218 // This helps it avoid unnecessary integer conversions.
219 #[cfg(core_intrinsics)]
220 {
221 core::intrinsics::assume(raw.is_in_range(-4095..0));
222 }
223
224 return Err(Errno(raw.decode_error_code()));
225 }
226
227 raw.decode_void();
228
229 Ok(())
230}
231
232/// Check for an error from the result of a syscall which does not return on
233/// success. On success, return the unconsumed `raw` value.
234///
235/// # Safety
236///
237/// This must only be used with syscalls which do not return on success.
238#[cfg(any(feature = "event", feature = "runtime", feature = "system"))]
239#[inline]
240pub(in crate::backend) unsafe fn try_decode_error<Num: RetNumber>(raw: RetReg<Num>) -> io::Errno {
241 debug_assert!(raw.is_in_range(-4095..0));
242
243 // Tell the optimizer that we know the value is in the error range.
244 // This helps it avoid unnecessary integer conversions.
245 #[cfg(core_intrinsics)]
246 {
247 core::intrinsics::assume(raw.is_in_range(-4095..0));
248 }
249
250 Errno(raw.decode_error_code())
251}
252
253/// Return the contained `usize` value.
254#[cfg(not(debug_assertions))]
255#[inline]
256pub(in crate::backend) fn decode_usize_infallible<Num: RetNumber>(raw: RetReg<Num>) -> usize {
257 raw.decode_usize()
258}
259
260/// Return the contained `c_int` value.
261#[cfg(not(debug_assertions))]
262#[inline]
263pub(in crate::backend) fn decode_c_int_infallible<Num: RetNumber>(raw: RetReg<Num>) -> c::c_int {
264 raw.decode_c_int()
265}
266
267/// Return the contained `c_uint` value.
268#[cfg(not(debug_assertions))]
269#[inline]
270pub(in crate::backend) fn decode_c_uint_infallible<Num: RetNumber>(raw: RetReg<Num>) -> c::c_uint {
271 raw.decode_c_uint()
272}
273
274impl Errno {
275 /// `EACCES`
276 #[doc(alias = "ACCES")]
277 pub const ACCESS: Self = Self::from_errno(errno::EACCES);
278 /// `EADDRINUSE`
279 pub const ADDRINUSE: Self = Self::from_errno(errno::EADDRINUSE);
280 /// `EADDRNOTAVAIL`
281 pub const ADDRNOTAVAIL: Self = Self::from_errno(errno::EADDRNOTAVAIL);
282 /// `EADV`
283 pub const ADV: Self = Self::from_errno(errno::EADV);
284 /// `EAFNOSUPPORT`
285 pub const AFNOSUPPORT: Self = Self::from_errno(errno::EAFNOSUPPORT);
286 /// `EAGAIN`
287 pub const AGAIN: Self = Self::from_errno(errno::EAGAIN);
288 /// `EALREADY`
289 pub const ALREADY: Self = Self::from_errno(errno::EALREADY);
290 /// `EBADE`
291 pub const BADE: Self = Self::from_errno(errno::EBADE);
292 /// `EBADF`
293 pub const BADF: Self = Self::from_errno(errno::EBADF);
294 /// `EBADFD`
295 pub const BADFD: Self = Self::from_errno(errno::EBADFD);
296 /// `EBADMSG`
297 pub const BADMSG: Self = Self::from_errno(errno::EBADMSG);
298 /// `EBADR`
299 pub const BADR: Self = Self::from_errno(errno::EBADR);
300 /// `EBADRQC`
301 pub const BADRQC: Self = Self::from_errno(errno::EBADRQC);
302 /// `EBADSLT`
303 pub const BADSLT: Self = Self::from_errno(errno::EBADSLT);
304 /// `EBFONT`
305 pub const BFONT: Self = Self::from_errno(errno::EBFONT);
306 /// `EBUSY`
307 pub const BUSY: Self = Self::from_errno(errno::EBUSY);
308 /// `ECANCELED`
309 pub const CANCELED: Self = Self::from_errno(errno::ECANCELED);
310 /// `ECHILD`
311 pub const CHILD: Self = Self::from_errno(errno::ECHILD);
312 /// `ECHRNG`
313 pub const CHRNG: Self = Self::from_errno(errno::ECHRNG);
314 /// `ECOMM`
315 pub const COMM: Self = Self::from_errno(errno::ECOMM);
316 /// `ECONNABORTED`
317 pub const CONNABORTED: Self = Self::from_errno(errno::ECONNABORTED);
318 /// `ECONNREFUSED`
319 pub const CONNREFUSED: Self = Self::from_errno(errno::ECONNREFUSED);
320 /// `ECONNRESET`
321 pub const CONNRESET: Self = Self::from_errno(errno::ECONNRESET);
322 /// `EDEADLK`
323 pub const DEADLK: Self = Self::from_errno(errno::EDEADLK);
324 /// `EDEADLOCK`
325 pub const DEADLOCK: Self = Self::from_errno(errno::EDEADLOCK);
326 /// `EDESTADDRREQ`
327 pub const DESTADDRREQ: Self = Self::from_errno(errno::EDESTADDRREQ);
328 /// `EDOM`
329 pub const DOM: Self = Self::from_errno(errno::EDOM);
330 /// `EDOTDOT`
331 pub const DOTDOT: Self = Self::from_errno(errno::EDOTDOT);
332 /// `EDQUOT`
333 pub const DQUOT: Self = Self::from_errno(errno::EDQUOT);
334 /// `EEXIST`
335 pub const EXIST: Self = Self::from_errno(errno::EEXIST);
336 /// `EFAULT`
337 pub const FAULT: Self = Self::from_errno(errno::EFAULT);
338 /// `EFBIG`
339 pub const FBIG: Self = Self::from_errno(errno::EFBIG);
340 /// `EHOSTDOWN`
341 pub const HOSTDOWN: Self = Self::from_errno(errno::EHOSTDOWN);
342 /// `EHOSTUNREACH`
343 pub const HOSTUNREACH: Self = Self::from_errno(errno::EHOSTUNREACH);
344 /// `EHWPOISON`
345 pub const HWPOISON: Self = Self::from_errno(errno::EHWPOISON);
346 /// `EIDRM`
347 pub const IDRM: Self = Self::from_errno(errno::EIDRM);
348 /// `EILSEQ`
349 pub const ILSEQ: Self = Self::from_errno(errno::EILSEQ);
350 /// `EINPROGRESS`
351 pub const INPROGRESS: Self = Self::from_errno(errno::EINPROGRESS);
352 /// `EINTR`.
353 ///
354 /// For a convenient way to retry system calls that exit with `INTR`, use
355 /// [`retry_on_intr`].
356 ///
357 /// [`retry_on_intr`]: io::retry_on_intr
358 pub const INTR: Self = Self::from_errno(errno::EINTR);
359 /// `EINVAL`
360 pub const INVAL: Self = Self::from_errno(errno::EINVAL);
361 /// `EIO`
362 pub const IO: Self = Self::from_errno(errno::EIO);
363 /// `EISCONN`
364 pub const ISCONN: Self = Self::from_errno(errno::EISCONN);
365 /// `EISDIR`
366 pub const ISDIR: Self = Self::from_errno(errno::EISDIR);
367 /// `EISNAM`
368 pub const ISNAM: Self = Self::from_errno(errno::EISNAM);
369 /// `EKEYEXPIRED`
370 pub const KEYEXPIRED: Self = Self::from_errno(errno::EKEYEXPIRED);
371 /// `EKEYREJECTED`
372 pub const KEYREJECTED: Self = Self::from_errno(errno::EKEYREJECTED);
373 /// `EKEYREVOKED`
374 pub const KEYREVOKED: Self = Self::from_errno(errno::EKEYREVOKED);
375 /// `EL2HLT`
376 pub const L2HLT: Self = Self::from_errno(errno::EL2HLT);
377 /// `EL2NSYNC`
378 pub const L2NSYNC: Self = Self::from_errno(errno::EL2NSYNC);
379 /// `EL3HLT`
380 pub const L3HLT: Self = Self::from_errno(errno::EL3HLT);
381 /// `EL3RST`
382 pub const L3RST: Self = Self::from_errno(errno::EL3RST);
383 /// `ELIBACC`
384 pub const LIBACC: Self = Self::from_errno(errno::ELIBACC);
385 /// `ELIBBAD`
386 pub const LIBBAD: Self = Self::from_errno(errno::ELIBBAD);
387 /// `ELIBEXEC`
388 pub const LIBEXEC: Self = Self::from_errno(errno::ELIBEXEC);
389 /// `ELIBMAX`
390 pub const LIBMAX: Self = Self::from_errno(errno::ELIBMAX);
391 /// `ELIBSCN`
392 pub const LIBSCN: Self = Self::from_errno(errno::ELIBSCN);
393 /// `ELNRNG`
394 pub const LNRNG: Self = Self::from_errno(errno::ELNRNG);
395 /// `ELOOP`
396 pub const LOOP: Self = Self::from_errno(errno::ELOOP);
397 /// `EMEDIUMTYPE`
398 pub const MEDIUMTYPE: Self = Self::from_errno(errno::EMEDIUMTYPE);
399 /// `EMFILE`
400 pub const MFILE: Self = Self::from_errno(errno::EMFILE);
401 /// `EMLINK`
402 pub const MLINK: Self = Self::from_errno(errno::EMLINK);
403 /// `EMSGSIZE`
404 pub const MSGSIZE: Self = Self::from_errno(errno::EMSGSIZE);
405 /// `EMULTIHOP`
406 pub const MULTIHOP: Self = Self::from_errno(errno::EMULTIHOP);
407 /// `ENAMETOOLONG`
408 pub const NAMETOOLONG: Self = Self::from_errno(errno::ENAMETOOLONG);
409 /// `ENAVAIL`
410 pub const NAVAIL: Self = Self::from_errno(errno::ENAVAIL);
411 /// `ENETDOWN`
412 pub const NETDOWN: Self = Self::from_errno(errno::ENETDOWN);
413 /// `ENETRESET`
414 pub const NETRESET: Self = Self::from_errno(errno::ENETRESET);
415 /// `ENETUNREACH`
416 pub const NETUNREACH: Self = Self::from_errno(errno::ENETUNREACH);
417 /// `ENFILE`
418 pub const NFILE: Self = Self::from_errno(errno::ENFILE);
419 /// `ENOANO`
420 pub const NOANO: Self = Self::from_errno(errno::ENOANO);
421 /// `ENOBUFS`
422 pub const NOBUFS: Self = Self::from_errno(errno::ENOBUFS);
423 /// `ENOCSI`
424 pub const NOCSI: Self = Self::from_errno(errno::ENOCSI);
425 /// `ENODATA`
426 #[doc(alias = "NOATTR")]
427 pub const NODATA: Self = Self::from_errno(errno::ENODATA);
428 /// `ENODEV`
429 pub const NODEV: Self = Self::from_errno(errno::ENODEV);
430 /// `ENOENT`
431 pub const NOENT: Self = Self::from_errno(errno::ENOENT);
432 /// `ENOEXEC`
433 pub const NOEXEC: Self = Self::from_errno(errno::ENOEXEC);
434 /// `ENOKEY`
435 pub const NOKEY: Self = Self::from_errno(errno::ENOKEY);
436 /// `ENOLCK`
437 pub const NOLCK: Self = Self::from_errno(errno::ENOLCK);
438 /// `ENOLINK`
439 pub const NOLINK: Self = Self::from_errno(errno::ENOLINK);
440 /// `ENOMEDIUM`
441 pub const NOMEDIUM: Self = Self::from_errno(errno::ENOMEDIUM);
442 /// `ENOMEM`
443 pub const NOMEM: Self = Self::from_errno(errno::ENOMEM);
444 /// `ENOMSG`
445 pub const NOMSG: Self = Self::from_errno(errno::ENOMSG);
446 /// `ENONET`
447 pub const NONET: Self = Self::from_errno(errno::ENONET);
448 /// `ENOPKG`
449 pub const NOPKG: Self = Self::from_errno(errno::ENOPKG);
450 /// `ENOPROTOOPT`
451 pub const NOPROTOOPT: Self = Self::from_errno(errno::ENOPROTOOPT);
452 /// `ENOSPC`
453 pub const NOSPC: Self = Self::from_errno(errno::ENOSPC);
454 /// `ENOSR`
455 pub const NOSR: Self = Self::from_errno(errno::ENOSR);
456 /// `ENOSTR`
457 pub const NOSTR: Self = Self::from_errno(errno::ENOSTR);
458 /// `ENOSYS`
459 pub const NOSYS: Self = Self::from_errno(errno::ENOSYS);
460 /// `ENOTBLK`
461 pub const NOTBLK: Self = Self::from_errno(errno::ENOTBLK);
462 /// `ENOTCONN`
463 pub const NOTCONN: Self = Self::from_errno(errno::ENOTCONN);
464 /// `ENOTDIR`
465 pub const NOTDIR: Self = Self::from_errno(errno::ENOTDIR);
466 /// `ENOTEMPTY`
467 pub const NOTEMPTY: Self = Self::from_errno(errno::ENOTEMPTY);
468 /// `ENOTNAM`
469 pub const NOTNAM: Self = Self::from_errno(errno::ENOTNAM);
470 /// `ENOTRECOVERABLE`
471 pub const NOTRECOVERABLE: Self = Self::from_errno(errno::ENOTRECOVERABLE);
472 /// `ENOTSOCK`
473 pub const NOTSOCK: Self = Self::from_errno(errno::ENOTSOCK);
474 /// `ENOTSUP`
475 // On Linux, `ENOTSUP` has the same value as `EOPNOTSUPP`.
476 pub const NOTSUP: Self = Self::from_errno(errno::EOPNOTSUPP);
477 /// `ENOTTY`
478 pub const NOTTY: Self = Self::from_errno(errno::ENOTTY);
479 /// `ENOTUNIQ`
480 pub const NOTUNIQ: Self = Self::from_errno(errno::ENOTUNIQ);
481 /// `ENXIO`
482 pub const NXIO: Self = Self::from_errno(errno::ENXIO);
483 /// `EOPNOTSUPP`
484 pub const OPNOTSUPP: Self = Self::from_errno(errno::EOPNOTSUPP);
485 /// `EOVERFLOW`
486 pub const OVERFLOW: Self = Self::from_errno(errno::EOVERFLOW);
487 /// `EOWNERDEAD`
488 pub const OWNERDEAD: Self = Self::from_errno(errno::EOWNERDEAD);
489 /// `EPERM`
490 pub const PERM: Self = Self::from_errno(errno::EPERM);
491 /// `EPFNOSUPPORT`
492 pub const PFNOSUPPORT: Self = Self::from_errno(errno::EPFNOSUPPORT);
493 /// `EPIPE`
494 pub const PIPE: Self = Self::from_errno(errno::EPIPE);
495 /// `EPROTO`
496 pub const PROTO: Self = Self::from_errno(errno::EPROTO);
497 /// `EPROTONOSUPPORT`
498 pub const PROTONOSUPPORT: Self = Self::from_errno(errno::EPROTONOSUPPORT);
499 /// `EPROTOTYPE`
500 pub const PROTOTYPE: Self = Self::from_errno(errno::EPROTOTYPE);
501 /// `ERANGE`
502 pub const RANGE: Self = Self::from_errno(errno::ERANGE);
503 /// `EREMCHG`
504 pub const REMCHG: Self = Self::from_errno(errno::EREMCHG);
505 /// `EREMOTE`
506 pub const REMOTE: Self = Self::from_errno(errno::EREMOTE);
507 /// `EREMOTEIO`
508 pub const REMOTEIO: Self = Self::from_errno(errno::EREMOTEIO);
509 /// `ERESTART`
510 pub const RESTART: Self = Self::from_errno(errno::ERESTART);
511 /// `ERFKILL`
512 pub const RFKILL: Self = Self::from_errno(errno::ERFKILL);
513 /// `EROFS`
514 pub const ROFS: Self = Self::from_errno(errno::EROFS);
515 /// `ESHUTDOWN`
516 pub const SHUTDOWN: Self = Self::from_errno(errno::ESHUTDOWN);
517 /// `ESOCKTNOSUPPORT`
518 pub const SOCKTNOSUPPORT: Self = Self::from_errno(errno::ESOCKTNOSUPPORT);
519 /// `ESPIPE`
520 pub const SPIPE: Self = Self::from_errno(errno::ESPIPE);
521 /// `ESRCH`
522 pub const SRCH: Self = Self::from_errno(errno::ESRCH);
523 /// `ESRMNT`
524 pub const SRMNT: Self = Self::from_errno(errno::ESRMNT);
525 /// `ESTALE`
526 pub const STALE: Self = Self::from_errno(errno::ESTALE);
527 /// `ESTRPIPE`
528 pub const STRPIPE: Self = Self::from_errno(errno::ESTRPIPE);
529 /// `ETIME`
530 pub const TIME: Self = Self::from_errno(errno::ETIME);
531 /// `ETIMEDOUT`
532 pub const TIMEDOUT: Self = Self::from_errno(errno::ETIMEDOUT);
533 /// `E2BIG`
534 #[doc(alias = "2BIG")]
535 pub const TOOBIG: Self = Self::from_errno(errno::E2BIG);
536 /// `ETOOMANYREFS`
537 pub const TOOMANYREFS: Self = Self::from_errno(errno::ETOOMANYREFS);
538 /// `ETXTBSY`
539 pub const TXTBSY: Self = Self::from_errno(errno::ETXTBSY);
540 /// `EUCLEAN`
541 pub const UCLEAN: Self = Self::from_errno(errno::EUCLEAN);
542 /// `EUNATCH`
543 pub const UNATCH: Self = Self::from_errno(errno::EUNATCH);
544 /// `EUSERS`
545 pub const USERS: Self = Self::from_errno(errno::EUSERS);
546 /// `EWOULDBLOCK`
547 pub const WOULDBLOCK: Self = Self::from_errno(errno::EWOULDBLOCK);
548 /// `EXDEV`
549 pub const XDEV: Self = Self::from_errno(errno::EXDEV);
550 /// `EXFULL`
551 pub const XFULL: Self = Self::from_errno(errno::EXFULL);
552}
553