pub fn waitid<'a, Id: Into<WaitId<'a>>>(
id: Id,
options: WaitIdOptions,
) -> Result<Option<WaitIdStatus>>Available on crate feature
process and neither target_os=espidf nor target_os=vita nor WASI and neither Cygwin nor target_os=horizon nor OpenBSD nor Redox nor WASI only.Expand description
waitid(_, _, _, opts)—Wait for the specified child process to change
state.