status

        # Thread.status

(from ruby core)
---
    thr.status   -> string, false or nil

---

Returns the status of `thr`.

`"sleep"`
:   Returned if this thread is sleeping or waiting on I/O
`"run"`
:   When this thread is executing
`"aborting"`
:   If this thread is aborting
`false`
:   When this thread is terminated normally
`nil`
:   If terminated with an exception.


    a = Thread.new { raise("die now") }
    b = Thread.new { Thread.stop }
    c = Thread.new { Thread.exit }
    d = Thread.new { sleep }
    d.kill                  #=> #<Thread:0x401b3678 aborting>
    a.status                #=> nil
    b.status                #=> "sleep"
    c.status                #=> false
    d.status                #=> "aborting"
    Thread.current.status   #=> "run"

See also the instance methods #alive? and #stop?