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

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Apr 24, 2018
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5 changes: 3 additions & 2 deletions src/libstd/process.rs
Original file line number Diff line number Diff line change
Expand Up @@ -1121,8 +1121,9 @@ 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 error is returned.
///
/// This is equivalent to sending a SIGKILL on Unix platforms.
///
/// # Examples
///
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