David Xu 407948a530 Oops, forgot to update this file.
Fix a race condition between kern_wait() and thread_stopped().
Problem is in kern_wait(), parent process steps through children list,
once a child process is skipped, and later even if the child is stopped,
parent process still sleeps in msleep(), the race happens if parent
masked SIGCHLD.

Submitted by : Peter Edwards peadar.edwards at gmail dot com
MFC after    : 4 days
2005-04-19 08:11:28 +00:00
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