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From: Robert Watson <rwatson@FreeBSD.org>
To: Perforce Change Reviews <perforce@freebsd.org>
Cc: 
Subject: PERFORCE change 156305 for review
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http://perforce.freebsd.org/chv.cgi?CH=156305

Change 156305 by rwatson@rwatson_freebsd_capabilities on 2009/01/17 22:38:00

	When creating a process descriptor for a process, hook it up so that
	it can be found later.
	
	Assert that a process descriptor is closed before freeing it.

Affected files ...

.. //depot/projects/trustedbsd/capabilities/src/sys/kern/sys_procdesc.c#2 edit

Differences ...

==== //depot/projects/trustedbsd/capabilities/src/sys/kern/sys_procdesc.c#2 (text+ko) ====

@@ -208,6 +208,7 @@
 	pd = uma_zalloc(procdesc_zone, M_WAITOK | M_ZERO);
 	pd->pd_proc = p;
 	pd->pd_pid = p->p_pid;
+	p->p_procdesc = pd;
 
 	/*
 	 * Process descriptors start out with two references: one from their
@@ -226,6 +227,8 @@
 	if (refcount_release(&pd->pd_refcount)) {
 		KASSERT(pd->pd_proc == NULL,
 		    ("procdesc_free: pd_proc != NULL"));
+		KASSERT((pd->pd_flags & PD_CLOSED),
+		    ("procdesc_free: !PD_CLOSED"));
 
 		uma_zfree(procdesc_zone, pd);
 	}