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Date:      Sat, 14 Oct 2006 16:04:59 GMT
From:      Roman Divacky <rdivacky@FreeBSD.org>
To:        Perforce Change Reviews <perforce@FreeBSD.org>
Subject:   PERFORCE change 107903 for review
Message-ID:  <200610141604.k9EG4x8o040869@repoman.freebsd.org>

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http://perforce.freebsd.org/chv.cgi?CH=107903

Change 107903 by rdivacky@rdivacky_witten on 2006/10/14 16:04:47

	A bunch of fixes that makes this not panic when killpg() is called.

Affected files ...

.. //depot/projects/linuxolator/src/sys/compat/linux/linux_emul.c#10 edit

Differences ...

==== //depot/projects/linuxolator/src/sys/compat/linux/linux_emul.c#10 (text+ko) ====

@@ -212,8 +212,12 @@
 	q = LIST_FIRST(&p->p_children);
 	for (; q != NULL; q = nq) {
 	   	nq = LIST_NEXT(q, p_sibling);
-		if (__predict_true(q->p_sysent != &elf_linux_sysvec))
-   		   	break;
+	   	PROC_LOCK(q);
+	   	if (q->p_flag & P_WEXIT)
+		   	continue;
+	   	PROC_UNLOCK(q);
+		if (__predict_false(q->p_sysent != &elf_linux_sysvec))
+   		   	continue;
    	   	em = em_find(q, EMUL_UNLOCKED);
 		KASSERT(em != NULL, ("linux_reparent: emuldata not found: %i\n", q->p_pid));
 		if (em->pdeath_signal != 0) {



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