linux_errnos/
lib.rs

1//! Error numbers for every arch supported by linux..
2
3#![cfg_attr(all(not(doc), not(feature = "std")), no_std)]
4#![cfg_attr(doc, feature(doc_cfg, doc_auto_cfg, doc_cfg_hide))]
5#![cfg_attr(doc, doc(cfg_hide(doc)))]
6pub mod linux;
7pub(crate) mod macros;
8
9#[cfg(any(
10    all(any(target_os = "linux", target_os = "android"), target_arch = "x86"),
11    feature = "x86",
12    doc
13))]
14pub mod x86 {
15    //! Error numbers for arch `x86`.
16    pub use super::linux::x86::Errno;
17    #[cfg(any(doc, feature = "iter"))]
18    pub use super::linux::x86::ErrnoIter;
19}
20#[cfg(all(any(target_os = "linux", target_os = "android"), target_arch = "x86"))]
21pub use x86::Errno;
22#[cfg(all(
23    any(target_os = "linux", target_os = "android"),
24    any(feature = "iter", doc),
25    target_arch = "x86"
26))]
27pub use x86::ErrnoIter;
28
29#[cfg(any(
30    all(
31        any(target_os = "linux", target_os = "android"),
32        target_arch = "x86_64"
33    ),
34    feature = "x86_64",
35    doc
36))]
37pub mod x86_64 {
38    //! Error numbers for arch `x86_64`.
39    pub use super::linux::x86::Errno;
40    #[cfg(any(doc, feature = "iter"))]
41    pub use super::linux::x86::ErrnoIter;
42}
43#[cfg(all(
44    any(target_os = "linux", target_os = "android"),
45    target_arch = "x86_64"
46))]
47pub use x86_64::Errno;
48#[cfg(all(
49    any(target_os = "linux", target_os = "android"),
50    any(feature = "iter", doc),
51    target_arch = "x86_64"
52))]
53pub use x86_64::ErrnoIter;
54
55#[cfg(any(
56    all(any(target_os = "linux", target_os = "android"), target_arch = "arm"),
57    feature = "arm",
58    doc
59))]
60pub mod arm {
61    //! Error numbers for arch `arm`.
62    pub use super::linux::arm::Errno;
63    #[cfg(any(doc, feature = "iter"))]
64    pub use super::linux::arm::ErrnoIter;
65}
66#[cfg(all(any(target_os = "linux", target_os = "android"), target_arch = "arm"))]
67pub use arm::Errno;
68#[cfg(all(
69    any(target_os = "linux", target_os = "android"),
70    any(feature = "iter", doc),
71    target_arch = "arm"
72))]
73pub use arm::ErrnoIter;
74
75#[cfg(any(
76    all(
77        any(target_os = "linux", target_os = "android"),
78        target_arch = "aarch64"
79    ),
80    feature = "aarch64",
81    doc
82))]
83pub mod aarch64 {
84    //! Error numbers for arch `aarch64`.
85    pub use super::linux::arm64::Errno;
86    #[cfg(any(doc, feature = "iter"))]
87    pub use super::linux::arm64::ErrnoIter;
88}
89#[cfg(all(
90    any(target_os = "linux", target_os = "android"),
91    target_arch = "aarch64"
92))]
93pub use aarch64::Errno;
94#[cfg(all(
95    any(target_os = "linux", target_os = "android"),
96    any(feature = "iter", doc),
97    target_arch = "aarch64"
98))]
99pub use aarch64::ErrnoIter;
100
101#[cfg(any(
102    all(target_os = "linux", target_arch = "hexagon"),
103    feature = "hexagon",
104    doc
105))]
106pub mod hexagon {
107    //! Error numbers for arch `hexagon`.
108    pub use super::linux::hexagon::Errno;
109    #[cfg(any(doc, feature = "iter"))]
110    pub use super::linux::hexagon::ErrnoIter;
111}
112#[cfg(all(target_os = "linux", target_arch = "hexagon"))]
113pub use hexagon::Errno;
114#[cfg(all(
115    any(feature = "iter", doc),
116    target_os = "linux",
117    target_arch = "hexagon"
118))]
119pub use hexagon::ErrnoIter;
120
121#[cfg(any(
122    all(target_os = "linux", target_arch = "s390x"),
123    feature = "s390x",
124    doc
125))]
126pub mod s390x {
127    //! Error numbers for arch `s390x`.
128    pub use super::linux::s390::Errno;
129    #[cfg(any(doc, feature = "iter"))]
130    pub use super::linux::s390::ErrnoIter;
131}
132#[cfg(all(target_os = "linux", target_arch = "s390x"))]
133pub use s390x::Errno;
134#[cfg(all(any(feature = "iter", doc), target_os = "linux", target_arch = "s390x"))]
135pub use s390x::ErrnoIter;
136
137#[cfg(any(
138    all(target_os = "linux", target_arch = "powerpc"),
139    feature = "powerpc",
140    doc
141))]
142pub mod powerpc {
143    //! Error numbers for arch `powerpc`.
144    pub use super::linux::powerpc::Errno;
145    #[cfg(any(doc, feature = "iter"))]
146    pub use super::linux::powerpc::ErrnoIter;
147}
148#[cfg(all(target_os = "linux", target_arch = "powerpc"))]
149pub use powerpc::Errno;
150#[cfg(all(
151    any(feature = "iter", doc),
152    target_os = "linux",
153    target_arch = "powerpc"
154))]
155pub use powerpc::ErrnoIter;
156
157#[cfg(any(
158    all(target_os = "linux", target_arch = "powerpc64"),
159    feature = "powerpc64",
160    doc
161))]
162pub mod powerpc64 {
163    //! Error numbers for arch `powerpc64`.
164    pub use super::linux::powerpc::Errno;
165    #[cfg(any(doc, feature = "iter"))]
166    pub use super::linux::powerpc::ErrnoIter;
167}
168#[cfg(all(target_os = "linux", target_arch = "powerpc64"))]
169pub use powerpc64::Errno;
170#[cfg(all(
171    any(feature = "iter", doc),
172    target_os = "linux",
173    target_arch = "powerpc64"
174))]
175pub use powerpc64::ErrnoIter;
176
177#[cfg(any(all(target_os = "linux", target_arch = "mips"), feature = "mips", doc))]
178pub mod mips {
179    //! Error numbers for arch `mips`.
180    pub use super::linux::mips::Errno;
181    #[cfg(any(doc, feature = "iter"))]
182    pub use super::linux::mips::ErrnoIter;
183}
184#[cfg(all(target_os = "linux", target_arch = "mips"))]
185pub use mips::Errno;
186#[cfg(all(any(feature = "iter", doc), target_os = "linux", target_arch = "mips"))]
187pub use mips::ErrnoIter;
188
189#[cfg(any(
190    all(target_os = "linux", target_arch = "mips64"),
191    feature = "mips64",
192    doc
193))]
194pub mod mips64 {
195    //! Error numbers for arch `mips64`.
196    pub use super::linux::mips::Errno;
197    #[cfg(any(doc, feature = "iter"))]
198    pub use super::linux::mips::ErrnoIter;
199}
200#[cfg(all(target_os = "linux", target_arch = "mips64"))]
201pub use mips64::Errno;
202#[cfg(all(
203    any(feature = "iter", doc),
204    target_os = "linux",
205    target_arch = "mips64"
206))]
207pub use mips64::ErrnoIter;
208
209#[cfg(any(all(target_os = "linux", target_arch = "m68k"), feature = "m68k", doc))]
210pub mod m68k {
211    //! Error numbers for arch `m68k`.
212    pub use super::linux::m68k::Errno;
213    #[cfg(any(doc, feature = "iter"))]
214    pub use super::linux::m68k::ErrnoIter;
215}
216#[cfg(all(target_os = "linux", target_arch = "m68k"))]
217pub use m68k::Errno;
218#[cfg(all(any(feature = "iter", doc), target_os = "linux", target_arch = "m68k"))]
219pub use m68k::ErrnoIter;
220
221#[cfg(any(
222    all(target_os = "linux", target_arch = "riscv32"),
223    feature = "riscv32",
224    doc
225))]
226pub mod riscv32 {
227    //! Error numbers for arch `riscv32`.
228    pub use super::linux::riscv::Errno;
229    #[cfg(any(doc, feature = "iter"))]
230    pub use super::linux::riscv::ErrnoIter;
231}
232#[cfg(all(target_os = "linux", target_arch = "riscv32"))]
233pub use riscv32::Errno;
234#[cfg(all(
235    any(feature = "iter", doc),
236    target_os = "linux",
237    target_arch = "riscv32"
238))]
239pub use riscv32::ErrnoIter;
240
241#[cfg(any(
242    all(target_os = "linux", target_arch = "riscv64"),
243    feature = "riscv64",
244    doc
245))]
246pub mod riscv64 {
247    //! Error numbers for arch `riscv64`.
248    pub use super::linux::riscv::Errno;
249    #[cfg(any(doc, feature = "iter"))]
250    pub use super::linux::riscv::ErrnoIter;
251}
252#[cfg(all(target_os = "linux", target_arch = "riscv64"))]
253pub use riscv64::Errno;
254#[cfg(all(
255    any(feature = "iter", doc),
256    target_os = "linux",
257    target_arch = "riscv64"
258))]
259pub use riscv64::ErrnoIter;
260
261#[cfg(any(
262    all(target_os = "linux", target_arch = "sparc"),
263    feature = "sparc",
264    doc
265))]
266pub mod sparc {
267    //! Error numbers for arch `sparc`.
268    pub use super::linux::sparc::Errno;
269    #[cfg(any(doc, feature = "iter"))]
270    pub use super::linux::sparc::ErrnoIter;
271}
272#[cfg(all(target_os = "linux", target_arch = "sparc"))]
273pub use sparc::Errno;
274#[cfg(all(any(feature = "iter", doc), target_os = "linux", target_arch = "sparc"))]
275pub use sparc::ErrnoIter;
276
277#[cfg(any(
278    all(target_os = "linux", target_arch = "sparc64"),
279    feature = "sparc64",
280    doc
281))]
282pub mod sparc64 {
283    //! Error numbers for arch `sparc64`.
284    pub use super::linux::sparc::Errno;
285    #[cfg(any(doc, feature = "iter"))]
286    pub use super::linux::sparc::ErrnoIter;
287}
288#[cfg(all(target_os = "linux", target_arch = "sparc64"))]
289pub use sparc64::Errno;
290#[cfg(all(
291    any(feature = "iter", doc),
292    target_os = "linux",
293    target_arch = "sparc64"
294))]
295pub use sparc64::ErrnoIter;
296
297#[cfg(any(
298    all(target_os = "linux", target_arch = "loongarch64"),
299    feature = "loongarch64",
300    doc
301))]
302pub mod loongarch64 {
303    //! Error numbers for arch `loongarch64`.
304    pub use super::linux::loongarch::Errno;
305    #[cfg(any(doc, feature = "iter"))]
306    pub use super::linux::loongarch::ErrnoIter;
307}
308#[cfg(all(target_os = "linux", target_arch = "loongarch64"))]
309pub use loongarch64::Errno;
310#[cfg(all(
311    any(feature = "iter", doc),
312    target_os = "linux",
313    target_arch = "loongarch64"
314))]
315pub use loongarch64::ErrnoIter;
316
317#[cfg(all(
318    any(
319        all(
320            any(target_os = "linux", target_os = "android"),
321            any(
322                target_arch = "x86",
323                target_arch = "x86_64",
324                target_arch = "arm",
325                target_arch = "aarch64"
326            )
327        ),
328        all(
329            any(
330                target_arch = "hexagon",
331                target_arch = "s390x",
332                target_arch = "powerpc",
333                target_arch = "powerpc64",
334                target_arch = "mips",
335                target_arch = "mips64",
336                target_arch = "m68k",
337                target_arch = "riscv32",
338                target_arch = "riscv64",
339                target_arch = "sparc",
340                target_arch = "sparc64",
341                target_arch = "loongarch64"
342            ),
343            target_os = "linux"
344        )
345    ),
346    any(feature = "libc-compat", doc)
347))]
348#[link(name = "c")]
349extern "C" {
350    #[cfg_attr(target_os = "linux", link_name = "__errno_location")]
351    #[cfg_attr(target_os = "android", link_name = "__errno")]
352    fn errno() -> *mut i32;
353}
354
355#[cfg(all(
356    any(
357        all(
358            any(target_os = "linux", target_os = "android"),
359            any(
360                target_arch = "x86",
361                target_arch = "x86_64",
362                target_arch = "arm",
363                target_arch = "aarch64"
364            )
365        ),
366        all(
367            any(
368                target_arch = "hexagon",
369                target_arch = "s390x",
370                target_arch = "powerpc",
371                target_arch = "powerpc64",
372                target_arch = "mips",
373                target_arch = "mips64",
374                target_arch = "m68k",
375                target_arch = "riscv32",
376                target_arch = "riscv64",
377                target_arch = "sparc",
378                target_arch = "sparc64",
379                target_arch = "loongarch64"
380            ),
381            target_os = "linux"
382        )
383    ),
384    any(feature = "libc-compat", doc)
385))]
386impl Errno {
387    /// Returns a new `Errno` from last OS error.
388    pub fn last_os_error() -> Self {
389        Self(unsafe { *errno() })
390    }
391}
392
393#[cfg(any(
394    all(
395        any(target_os = "linux", target_os = "android"),
396        any(
397            target_arch = "x86",
398            target_arch = "x86_64",
399            target_arch = "arm",
400            target_arch = "aarch64"
401        )
402    ),
403    all(
404        any(
405            target_arch = "hexagon",
406            target_arch = "s390x",
407            target_arch = "powerpc",
408            target_arch = "powerpc64",
409            target_arch = "mips",
410            target_arch = "mips64",
411            target_arch = "m68k",
412            target_arch = "riscv32",
413            target_arch = "riscv64",
414            target_arch = "sparc",
415            target_arch = "sparc64",
416            target_arch = "loongarch64"
417        ),
418        target_os = "linux"
419    )
420))]
421#[test]
422fn basic() {
423    #[cfg(feature = "libc-compat")]
424    {
425        let _ = Errno::last_os_error();
426    }
427    let _ = Errno::EINVAL;
428}
linux_errnos/lib.rs

linux_errnos/
lib.rs
