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`‎doc/api/child_process.md‎`

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+4-2Lines changed: 4 additions & 2 deletions

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Original file line number	Diff line number	Diff line change
`@@ -1243,9 +1243,11 @@ does not indicate that the child process has been terminated.`
`1243`	`1243`	`added: v0.1.90`
`1244`	`1244`	`-->`
`1245`	`1245`
`1246`		`-* {integer}`
	`1246`	`+* {integer\|undefined}`
`1247`	`1247`
`1248`		`-Returns the process identifier (PID) of the child process.`
	`1248`	`+Returns the process identifier (PID) of the child process. If the child process`
	`1249`	+fails to spawn due to errors, then the value is `undefined` and `error` is
	`1250`	`+emitted.`
`1249`	`1251`
`1250`	`1252`	```js
`1251`	`1253`	`const { spawn } = require('child_process');`

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