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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())
}
}
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