Date: Mon, 3 Jan 2011 16:29:00 +0000 (UTC) From: John Baldwin <jhb@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r216921 - head/sys/kern Message-ID: <201101031629.p03GT0Ar098280@svn.freebsd.org>
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Author: jhb Date: Mon Jan 3 16:29:00 2011 New Revision: 216921 URL: http://svn.freebsd.org/changeset/base/216921 Log: Small whitespace nits and add a comment explaining why kthread_exit() can call kproc_exit() that was lost earlier. Modified: head/sys/kern/kern_kthread.c Modified: head/sys/kern/kern_kthread.c ============================================================================== --- head/sys/kern/kern_kthread.c Mon Jan 3 15:31:02 2011 (r216920) +++ head/sys/kern/kern_kthread.c Mon Jan 3 16:29:00 2011 (r216921) @@ -316,17 +316,20 @@ kthread_exit(void) p = curthread->td_proc; - /* A module may be waiting for us to exit. */ wakeup(curthread); + + /* + * The last exiting thread in a kernel process must tear down + * the whole process. + */ rw_wlock(&tidhash_lock); PROC_LOCK(p); if (p->p_numthreads == 1) { PROC_UNLOCK(p); rw_wunlock(&tidhash_lock); kproc_exit(0); - - /* NOTREACHED. */ + /* NOTREACHED */ } LIST_REMOVE(curthread, td_hash); rw_wunlock(&tidhash_lock);
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