Commitec0c755

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Check that we get somewhat sane PIDs when spawning with pidfds

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Original file line number	Diff line number	Diff line change
`@@ -21,6 +21,7 @@ fn test_command_pidfd() {`
`21`	`21`	`let flags =super::cvt(unsafe{ libc::fcntl(pidfd.as_raw_fd(), libc::F_GETFD)}).unwrap();`
`22`	`22`	`assert!(flags& libc::FD_CLOEXEC !=0);`
`23`	`23`	`}`
	`24`	`+assert!(child.id() >0 && child.id() < -1i32asu32);`
`24`	`25`	`let status = child.wait().expect("error waiting on pidfd");`
`25`	`26`	`assert_eq!(status.code(),Some(1));`
`26`	`27`
`@@ -47,6 +48,8 @@ fn test_command_pidfd() {`
`47`	`48`	`letmut child =`
`48`	`49`	`unsafe{Command::new("false").pre_exec(\|\|Ok(()))}.create_pidfd(true).spawn().unwrap();`
`49`	`50`
	`51`	`+assert!(child.id() >0 && child.id() < -1i32asu32);`
	`52`	`+`
`50`	`53`	`if pidfd_open_available{`
`51`	`54`	`assert!(child.pidfd().is_ok())`
`52`	`55`	`}`

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