Robert Watson a96acd1ace Introduce a condition variable to avoid returning EBUSY when ... the MAC policy list is busy during a load or unload attempt. We assert no locks held during the cv wait, meaning we should be fairly deadlock-safe. Because of the cv model and busy count, it's possible for a cv waiter waiting for exclusive access to the policy list to be starved by active and long-lived access control/labeling events. For now, we accept that as a necessary tradeoff. Obtained from: TrustedBSD Project Sponsored by: DARPA, Network Associates Laboratories		2002-11-13 15:47:09 +00:00
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mac_framework.c	Introduce a condition variable to avoid returning EBUSY when	2002-11-13 15:47:09 +00:00
mac_framework.h	Garbage collect mac_create_devfs_vnode() -- it hasn't been used since	2002-11-12 04:20:36 +00:00
mac_internal.h	Introduce a condition variable to avoid returning EBUSY when	2002-11-13 15:47:09 +00:00
mac_net.c	Introduce a condition variable to avoid returning EBUSY when	2002-11-13 15:47:09 +00:00
mac_pipe.c	Introduce a condition variable to avoid returning EBUSY when	2002-11-13 15:47:09 +00:00
mac_policy.h	Garbage collect mac_create_devfs_vnode() -- it hasn't been used since	2002-11-12 04:20:36 +00:00
mac_process.c	Introduce a condition variable to avoid returning EBUSY when	2002-11-13 15:47:09 +00:00
mac_syscalls.c	Introduce a condition variable to avoid returning EBUSY when	2002-11-13 15:47:09 +00:00
mac_system.c	Introduce a condition variable to avoid returning EBUSY when	2002-11-13 15:47:09 +00:00
mac_vfs.c	Introduce a condition variable to avoid returning EBUSY when	2002-11-13 15:47:09 +00:00