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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /library/std/src/sys/unix/process/process_unsupported.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'library/std/src/sys/unix/process/process_unsupported.rs')
-rw-r--r-- | library/std/src/sys/unix/process/process_unsupported.rs | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/library/std/src/sys/unix/process/process_unsupported.rs b/library/std/src/sys/unix/process/process_unsupported.rs new file mode 100644 index 000000000..72f9f3f9c --- /dev/null +++ b/library/std/src/sys/unix/process/process_unsupported.rs @@ -0,0 +1,118 @@ +use crate::fmt; +use crate::io; +use crate::num::NonZeroI32; +use crate::sys::process::process_common::*; +use crate::sys::unix::unsupported::*; +use core::ffi::NonZero_c_int; + +use libc::{c_int, pid_t}; + +//////////////////////////////////////////////////////////////////////////////// +// Command +//////////////////////////////////////////////////////////////////////////////// + +impl Command { + pub fn spawn( + &mut self, + _default: Stdio, + _needs_stdin: bool, + ) -> io::Result<(Process, StdioPipes)> { + unsupported() + } + + pub fn exec(&mut self, _default: Stdio) -> io::Error { + unsupported_err() + } +} + +//////////////////////////////////////////////////////////////////////////////// +// Processes +//////////////////////////////////////////////////////////////////////////////// + +pub struct Process { + _handle: pid_t, +} + +impl Process { + pub fn id(&self) -> u32 { + 0 + } + + pub fn kill(&mut self) -> io::Result<()> { + unsupported() + } + + pub fn wait(&mut self) -> io::Result<ExitStatus> { + unsupported() + } + + pub fn try_wait(&mut self) -> io::Result<Option<ExitStatus>> { + unsupported() + } +} + +#[derive(PartialEq, Eq, Clone, Copy, Debug)] +pub struct ExitStatus(c_int); + +impl ExitStatus { + #[cfg_attr(target_os = "horizon", allow(unused))] + pub fn success(&self) -> bool { + self.code() == Some(0) + } + + pub fn exit_ok(&self) -> Result<(), ExitStatusError> { + Err(ExitStatusError(1.try_into().unwrap())) + } + + pub fn code(&self) -> Option<i32> { + None + } + + pub fn signal(&self) -> Option<i32> { + None + } + + pub fn core_dumped(&self) -> bool { + false + } + + pub fn stopped_signal(&self) -> Option<i32> { + None + } + + pub fn continued(&self) -> bool { + false + } + + pub fn into_raw(&self) -> c_int { + 0 + } +} + +/// Converts a raw `c_int` to a type-safe `ExitStatus` by wrapping it without copying. +impl From<c_int> for ExitStatus { + fn from(a: c_int) -> ExitStatus { + ExitStatus(a as i32) + } +} + +impl fmt::Display for ExitStatus { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + write!(f, "exit code: {}", self.0) + } +} + +#[derive(PartialEq, Eq, Clone, Copy, Debug)] +pub struct ExitStatusError(NonZero_c_int); + +impl Into<ExitStatus> for ExitStatusError { + fn into(self) -> ExitStatus { + ExitStatus(self.0.into()) + } +} + +impl ExitStatusError { + pub fn code(self) -> Option<NonZeroI32> { + ExitStatus(self.0.into()).code().map(|st| st.try_into().unwrap()) + } +} |