on interrupt, xargs does not wait for subprocess to exit

[Frederik Eaton]

Dear bug-findutils,

In brief:

    $ seq 1 10 | xargs sh -c 'trap "" INT; sleep 3; echo hi'
    ^C
    [130]$ hi

Notice that I pressed ^C and xargs exited, the shell prompt appeared,
some seconds later the word "hi" appeared.

Is this the correct behavior for xargs? It could be somewhat annoying
in certain cases.

I'm not currently subscribed so please Cc me!

Thanks,

Frederick