std/sys/pipe/
unsupported.rs

1use crate::fmt;
2use crate::io::{self, BorrowedCursor, IoSlice, IoSliceMut};
3
4pub struct Pipe(!);
5
6#[inline]
7pub fn pipe() -> io::Result<(Pipe, Pipe)> {
8    Err(io::Error::UNSUPPORTED_PLATFORM)
9}
10
11impl Pipe {
12    pub fn try_clone(&self) -> io::Result<Self> {
13        self.0
14    }
15
16    pub fn read(&self, _buf: &mut [u8]) -> io::Result<usize> {
17        self.0
18    }
19
20    pub fn read_buf(&self, _buf: BorrowedCursor<'_>) -> io::Result<()> {
21        self.0
22    }
23
24    pub fn read_vectored(&self, _bufs: &mut [IoSliceMut<'_>]) -> io::Result<usize> {
25        self.0
26    }
27
28    pub fn is_read_vectored(&self) -> bool {
29        self.0
30    }
31
32    pub fn read_to_end(&self, _buf: &mut Vec<u8>) -> io::Result<usize> {
33        self.0
34    }
35
36    pub fn write(&self, _buf: &[u8]) -> io::Result<usize> {
37        self.0
38    }
39
40    pub fn write_vectored(&self, _bufs: &[IoSlice<'_>]) -> io::Result<usize> {
41        self.0
42    }
43
44    pub fn is_write_vectored(&self) -> bool {
45        self.0
46    }
47
48    pub fn diverge(&self) -> ! {
49        self.0
50    }
51}
52
53impl fmt::Debug for Pipe {
54    fn fmt(&self, _: &mut fmt::Formatter<'_>) -> fmt::Result {
55        self.0
56    }
57}
58
59#[cfg(any(unix, target_os = "hermit", target_os = "wasi"))]
60mod unix_traits {
61    use super::Pipe;
62    use crate::os::fd::{AsFd, AsRawFd, BorrowedFd, FromRawFd, IntoRawFd, OwnedFd, RawFd};
63    use crate::sys::{FromInner, IntoInner};
64
65    impl AsRawFd for Pipe {
66        #[inline]
67        fn as_raw_fd(&self) -> RawFd {
68            self.0
69        }
70    }
71
72    impl AsFd for Pipe {
73        fn as_fd(&self) -> BorrowedFd<'_> {
74            self.0
75        }
76    }
77
78    impl IntoRawFd for Pipe {
79        fn into_raw_fd(self) -> RawFd {
80            self.0
81        }
82    }
83
84    impl FromRawFd for Pipe {
85        unsafe fn from_raw_fd(_: RawFd) -> Self {
86            panic!("creating pipe on this platform is unsupported!")
87        }
88    }
89
90    impl FromInner<OwnedFd> for Pipe {
91        fn from_inner(_: OwnedFd) -> Self {
92            panic!("creating pipe on this platform is unsupported!")
93        }
94    }
95
96    impl IntoInner<OwnedFd> for Pipe {
97        fn into_inner(self) -> OwnedFd {
98            self.0
99        }
100    }
101}
std/sys/pipe/unsupported.rs

std/sys/pipe/
unsupported.rs
