Function waitpgid

src/backend/linux_raw/process/syscalls.rs:293–295

(pgid: Pid, waitopts: WaitOptions)

#[inline]
pub(crate) fn waitpgid(pgid: Pid, waitopts: WaitOptions) -> io::Result<Option<(Pid, WaitStatus)>> {
    _waitpid(-pgid.as_raw_nonzero().get(), waitopts)
}

#[inline]
pub(crate) fn _waitpid(