PERFORCE change 156319 for review
Robert Watson
rwatson at FreeBSD.org
Sun Jan 18 02:40:29 PST 2009
http://perforce.freebsd.org/chv.cgi?CH=156319
Change 156319 by rwatson at rwatson_freebsd_capabilities on 2009/01/18 10:39:35
proc_reap() requires the process spinlock, so assert it, and acquire
when calling it from procdesc_close().
Affected files ...
.. //depot/projects/trustedbsd/capabilities/src/sys/kern/kern_exit.c#8 edit
.. //depot/projects/trustedbsd/capabilities/src/sys/kern/sys_procdesc.c#3 edit
Differences ...
==== //depot/projects/trustedbsd/capabilities/src/sys/kern/kern_exit.c#8 (text+ko) ====
@@ -726,6 +726,7 @@
sx_assert(&proctree_lock, SA_XLOCKED);
PROC_LOCK_ASSERT(p, MA_OWNED);
+ PROC_SLOCK_ASSERT(p, MA_OWNED);
KASSERT(p->p_state == PRS_ZOMBIE, ("proc_reap: !PRS_ZOMBIE"));
q = td->td_proc;
==== //depot/projects/trustedbsd/capabilities/src/sys/kern/sys_procdesc.c#3 (text+ko) ====
@@ -317,6 +317,7 @@
* the process descriptor when it calls back into
* procdesc_reap().
*/
+ PROC_SLOCK(p);
proc_reap(curthread, p, NULL, 0, NULL);
} else {
/*
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