trasz 2e120a0184 MFC r261748:
So, it turns out SIGCHLD is discarded by default, so we have to set up
a dummy handler to make it interrupt an ioctl(2) or select(2).

This makes those short-lived iscsid(8) zombies disappear.

Sponsored by:	The FreeBSD Foundation
2014-03-06 11:15:54 +00:00
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