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std: Child::kill() returns error if process has already exited #49461

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Merged
merged 5 commits into from
Apr 24, 2018
Merged

std: Child::kill() returns error if process has already exited #49461

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7eb9a09
std: Child::kill() returns error if process has already exited
andreastt Mar 28, 2018
d541282
fixup! std: Child::kill() returns error if process has already exited
andreastt Mar 28, 2018
51dc630
fixup! std: Child::kill() returns error if process has already exited
andreastt Mar 29, 2018
fd2afa0
fixup! std: Child::kill() returns error if process has already exited
andreastt Apr 8, 2018
bc4bd56
fixup! std: Child::kill() returns error if process has already exited
andreastt Apr 17, 2018
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13 changes: 11 additions & 2 deletions src/libstd/process.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1121,8 +1121,13 @@ impl ExitCode {
}

impl Child {
/// Forces the child to exit. This is equivalent to sending a
/// SIGKILL on unix platforms.
/// Forces the child process to exit. If the child has already exited, an [`InvalidInput`]
/// error is returned.
///
/// The mapping to [`ErrorKind`]s is not part of the compatibility contract of the function,
/// especially the [`Other`] kind might change to more specific kinds in the future.
///
/// This is equivalent to sending a SIGKILL on Unix platforms.
///
/// # Examples
///
Expand All @@ -1138,6 +1143,10 @@ impl Child {
/// println!("yes command didn't start");
/// }
/// ```
///
/// [`ErrorKind`]: ../io/enum.ErrorKind.html
/// [`InvalidInput`]: ../io/enum.ErrorKind.html#variant.InvalidInput
/// [`Other`]: ../io/enum.ErrorKind.html#variant.Other
#[stable(feature = "process", since = "1.0.0")]
pub fn kill(&mut self) -> io::Result<()> {
self.handle.kill()
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