Simon Peyton-Jones wrote:
I don't think there is any reason in principle why GHC can't generate
DLLs that "just work", but plainly it's deficient at the moment.
The fundamental reason is that the DLL mechanism itself doesn't allow
initialization/ shutdown do be hidden from the user of a DLL, b
SevenThunders wrote:
Another question I have is, is it possible to create a statically linked
Haskell library that can be linked using MS VC tools? Also I must say I am
a bit confused about the use of the routine __stginit_Bad. Suppose I had
multiple Haskell modules each with their own functio
Brian, Matt
| In the final analysis this seems to work fairly well. I export an End()
| function to Matlab that calls
| shutdownHaskell(). I then create a Matlab script that calls End() prior to
| clearing the DLL out of the namespace.
| Since it appears that shutdownHaskell() can be called agai
Brian Hulley wrote:
>
>
>
> Since Begin would be a function exported by the DLL, Windows would ensure
> that the DLL was loaded when it is first called from your application if
> it
> was not already loaded so there would be no need for an explicit call to
> LoadLibrary.
>
>> and then End
SevenThunders wrote:
Brian Hulley wrote:
SevenThunders wrote:
DllMain
if (reason == DLL_PROCESS_DETACH) {
shutdownHaskell();
return TRUE;
}
The above *may* be the problem: it is unsafe to do anything in
DllMain that...
Instead of trying to start/shutdown Haskell from DllMain,
Simon Marlow-5 wrote:
>
>
> I wonder if you're hitting this bug:
>
>http://hackage.haskell.org/trac/ghc/ticket/926
>
> if so, it's slightly worrying that the same thing happens if you just link
> your
> program directly to the DLL, rather than loading it explicitly.
>
> Cheers,
>
Brian Hulley wrote:
>
> SevenThunders wrote:
>> Before I post this as a bug, I thought I'd check to make sure I'm not
>> doing something wrong.
>> BOOL
>> STDCALL
>> DllMain
>> ( HANDLE hModule
>> , DWORD reason
>> , void* reserved
>> )
>> {
>> if (reason == DLL_PROCESS_ATTACH) {
>>
SevenThunders wrote:
Before I post this as a bug, I thought I'd check to make sure I'm not doing
something wrong.
For this test case, on my windows XP machine I create a simple Haskell
routine that counts the characters in a file,
create a DLL for that routine and call it from C. The C code give
SevenThunders wrote:
Before I post this as a bug, I thought I'd check to make sure I'm not
doing something wrong.
BOOL
STDCALL
DllMain
( HANDLE hModule
, DWORD reason
, void* reserved
)
{
if (reason == DLL_PROCESS_ATTACH) {
/* By now, the RTS DLL should have been hoisted in, but we
