[MPlayer-cygwin] [patch] small hddraw_dll cleanup

[Rune Petersen]

Sascha Sommer wrote:
> On Thursday 06 January 2005 18:30, Rune Petersen wrote:
> 
>>Hi,
>>It works on win2k I don't see why it shouldn't work on other versions.
>>
>>we have 2 handles to the dll-file:
>>   - one though the ddraw headers.
>>   - and the one made in Directx_InitDirectDraw().
>>
> 
> 
> If you unload the dl,l the code it provides is gone. It only stays if 
> something else is using  the same instance of the dll when it loaded it with 
> LoadLibrary or linked against it. We don't do static linking for the directx 
> dlls. It may also work because the memory where it was, is not overwritten, 
> yet. 
> 
> 
>>when you remove on handle you don't unload the dll.
>>
> 
> 
> Yes, but FreeLibrary frees the dll. It does not change the handles. Just like
> when you do free() on a block of memory and use it afterwards. It may still 
> work, but most of the time it simply crashes.

all I can say is acording to M$ it has a reference count.

have a look: 
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dllproc/base/freelibrary.asp

> 
> Sascha
> 
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