FreeLists / openbeosstorage / [openbeosstorage] Re: Kernel Interface Design

[Keith Poole <keef@xxxxxxxxxxxxxxx>]

I'm only suggesting it for the emulator - the kerel will produce it's 
own handles & the storage kit won't have any need to understand those.

            Keith

Tyler Dauwalder wrote:

>>The reason I combined the read/readdir functions is that the NewOS 
>>kernel does it this way (see bootfs.c).  The only problem with not 
>>managing our own file descriptors, is how do we know if its a file or 
>>directory?  (mind you, thinking about it, since sizeof(int) == 
>>sizeof(DIR*) - we could just check its size:
>>if (fd <256) {
>>    // File
>>} else {
>>   // Directory
>>}
>>
>>since addresses in the range 0-255 are part of the kernel.
>>
>>        What do you think?
>>
>
>You know, that probably *would* work. That's a neat idea. I'm a 
>little wary of including something like that in a high-use OS library 
>though; it seems like too much of a hack. Plus, it looks like you 
>can call rstat with a pathname to find out what the stream type is. 
>It'd probably be safer to go with that.
>
>-Tyler
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