[PATCH] server: Use a free list for unallocated object handles.

[Zebediah Figura]

On 2/1/22 13:54, Alexandre Julliard wrote:
> Zebediah Figura <zfigura at codeweavers.com> writes:
> 
>> The Legend of Heroes: Trails of Cold Steel III suffers from an application bug,
>> where it tries to wait on a handle after closing it. Because of the usage
>> patterns of the game and the way Wine allocates handles, the handle is usually
>> reused by a separate object, which is effectively never signaled, resulting in a
>> hang.
>>
>> This patch changes our handle allocation strategy to resemble Windows, and in
>> the process makes the race much less likely, although still theoretically
>> possible.
> 
> Some tests would be nice.
> 

That may be difficult. When I was testing this manually I ran into 
hiccups due to some background thread in the process opening or closing 
handles.