Peter Vreman wrote:
That said, the RTL should also avoid confusion with the Windows/Delphi THandle type, and introduce a cross-platform and opaque TFileHandle type.
It's text/file/file of in pascal ;)
Which will happen to be equal to THandle on 32-bit windows. On 32-bit Linux, the definition of THandle will then also equal TFileHandle.
This will also take some work :-)
I guess this is no solution. It makes porting delphi apps very hard. What's the problem if thandle is 64 bit on 64 bit systems? You can still store a 32 bit file handle in it.
It'll give a lot of Warnings when compiling the sources. And there is a risk for rangecheck errors.
I checked Kylix, there THandle=longword which is also incompatible with our THandle=longint under Linux.
My proposal is to rename the current THandle to TFileHandle. And add an platform independent type "THandle=PtrUInt". Note that this can still cause range check errors under Unix, because invalid filedescriptors have (normally) value -1.
Sounds good to me.
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