/// }
/// ```
#[unstable(feature = "unix_chroot", issue = "84715")]
-#[cfg(not(target_os = "fuchsia"))]
+#[cfg(not(any(target_os = "fuchsia", target_os = "vxworks")))]
pub fn chroot<P: AsRef<Path>>(dir: P) -> io::Result<()> {
sys::fs::chroot(dir.as_ref())
}
pub fn exit_ok(&self) -> Result<(), ExitStatusError> {
// This assumes that WIFEXITED(status) && WEXITSTATUS==0 corresponds to status==0. This is
- // true on all actual versios of Unix, is widely assumed, and is specified in SuS
+ // true on all actual versions of Unix, is widely assumed, and is specified in SuS
// https://pubs.opengroup.org/onlinepubs/9699919799/functions/wait.html . If it is not
// true for a platform pretending to be Unix, the tests (our doctests, and also
// procsss_unix/tests.rs) will spot it. `ExitStatusError::code` assumes this too.
+use crate::convert::{TryFrom, TryInto};
use crate::fmt;
use crate::io::{self, Error, ErrorKind};
+use crate::num::NonZeroI32;
+use crate::os::raw::NonZero_c_int;
use crate::sys;
use crate::sys::cvt;
use crate::sys::process::process_common::*;
libc::WIFEXITED(self.0)
}
- pub fn success(&self) -> bool {
- self.code() == Some(0)
+ pub fn exit_ok(&self) -> Result<(), ExitStatusError> {
+ // This assumes that WIFEXITED(status) && WEXITSTATUS==0 corresponds to status==0. This is
+ // true on all actual versions of Unix, is widely assumed, and is specified in SuS
+ // https://pubs.opengroup.org/onlinepubs/9699919799/functions/wait.html . If it is not
+ // true for a platform pretending to be Unix, the tests (our doctests, and also
+ // procsss_unix/tests.rs) will spot it. `ExitStatusError::code` assumes this too.
+ match NonZero_c_int::try_from(self.0) {
+ Ok(failure) => Err(ExitStatusError(failure)),
+ Err(_) => Ok(()),
+ }
}
pub fn code(&self) -> Option<i32> {
}
}
}
+
+#[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())
+ }
+}