Spinlocks are not reentrant (and this is done a lot), using them forces us to have
an horrible hack in the kernel, which unschedules threads which are at DISPATCH_LEVEL
thus allowing another thread to take ownership of the spinlock while the unscheduled
thread should already hold it.
CORE-6473
- Add missing error code to DDK/NDIS
- Fix error code in IP driver
- Patch MSAFD to reply correct WSA error code
- Fix IcmpSendEcho function
- Fix returning error code in ICMP_ECHO_REPLY (see MSDN)
- Fix returning host address (using GetBestInterface and GetIpAddrTable functions)
- Fix GetBestRoute function (it is used by GetBestInterface)
Relates to #318 and CORE-14241