Commit0437680

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Explain pty Process abstraction (#3254)

Signed-off-by: Spike Curtis <spike@coder.com>

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Original file line number	Diff line number	Diff line change
`@@ -29,7 +29,11 @@ type PTY interface {`
`29`	`29`	`Resize(heightuint16,widthuint16)error`
`30`	`30`	`}`
`31`	`31`
`32`		`-// Process represents a process running in a PTY`
	`32`	`+// Process represents a process running in a PTY. We need to trigger special processing on the PTY`
	`33`	`+// on process completion, meaning that we will have goroutines calling Wait() on the process. Since`
	`34`	`+// the caller will also typically wait for the process, and it is not safe for multiple goroutines`
	`35`	`+// to Wait() on a process, this abstraction provides a goroutine-safe interface for interacting with`
	`36`	`+// the process.`
`33`	`37`	`typeProcessinterface {`
`34`	`38`
`35`	`39`	`// Wait for the command to complete. Returned error is as for exec.Cmd.Wait()`

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