Adam Jackson 3992dd38ca selinux: Add support for avc_acquire_netlink_fd() ...

Requires libselinux 2.0.79 or newer.  Without this, libselinux will
check for policy updates on the netlink socket on basically every policy
lookup.  Statistically speaking, they never happen, and the check
translates to at least one more syscall on basically every operation.

Instead, take control of the fd from the library, and check it in
WakeupHandler if it polls readable.

2009-03-16 13:24:48 -04:00

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