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To avoid possible race condition, SIGCANCEL is always sent except the

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thread is dead.
This commit is contained in:
David Xu 2010-09-08 02:18:20 +00:00
parent 4982c539ae
commit 17dce7e108
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=212312
1 changed files with 1 additions and 1 deletions
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2
lib/libthr/thread/thr_cancel.c
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@ -67,7 +67,7 @@ _pthread_cancel(pthread_t pthread)
THR_THREAD_LOCK(curthread, pthread);
if (!pthread->cancel_pending) {
pthread->cancel_pending = 1;
if (pthread->cancel_enable)
if (pthread->state != PS_DEAD)
_thr_send_sig(pthread, SIGCANCEL);
}
THR_THREAD_UNLOCK(curthread, pthread);