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Clarify getppid documentation: explain how None can occur #1209

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Nov 9, 2024
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Clarify getppid documentation: explain how None can occur #1209

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3 changes: 3 additions & 0 deletions src/process/id.rs
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Expand Up @@ -113,6 +113,9 @@ pub fn getpid() -> Pid {

/// `getppid()`—Returns the parent process' ID.
///
/// This will return `None` if the current process has no parent (or no parent accessible in the
/// current PID namespace), such as if the current process is an init process (PID 1).
///
/// # References
/// - [POSIX]
/// - [Linux]
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