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unix ExitStatus: Clarify docs for .signal()

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We need to be clear that this never returns WSTOPSIG.  That is, if
WIFSTOPPED, the return value is None.

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
This commit is contained in:
Ian Jackson 2020-12-12 21:37:34 +00:00
parent 5b1316f781
commit 12d62aa436
1 changed files with 2 additions and 0 deletions
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2
library/std/src/sys/unix/ext/process.rs
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@ -171,6 +171,8 @@ pub trait ExitStatusExt {
fn from_raw(raw: i32) -> Self; fn from_raw(raw: i32) -> Self;
/// If the process was terminated by a signal, returns that signal. /// If the process was terminated by a signal, returns that signal.
///
/// Ie, if `WIFSIGNALED`, this returns `WTERMSIG`.
#[stable(feature = "rust1", since = "1.0.0")] #[stable(feature = "rust1", since = "1.0.0")]
fn signal(&self) -> Option<i32>; fn signal(&self) -> Option<i32>;
} }