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* Correct poll_oneoff (for sleep)

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Michael Van Canneyt 2024-12-04 22:16:25 +01:00
parent 203dbd0b43
commit 3de2b72867
1 changed files with 35 additions and 2 deletions
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37
packages/wasi/src/wasienv.pas
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@ -1425,11 +1425,44 @@ begin
Result:=FImportObject;
end;
function TPas2JSWASIEnvironment.poll_oneoff(sin, sout, nsubscriptions,
nevents: NativeInt): NativeInt;
const
TagOffset = 8;
TimeoutOffset = 24;
PrecisionOffset = 32;
var
Tag : NativeInt;
Precision,TimeOut,msTimeOut : TJSBigInt;
msTimeout32 : Integer;
arr : TJSint32array;
mem : TJSDataView;
begin
console.log('Unimplemented: TPas2JSWASIEnvironment.poll_oneoff');
{$IFNDEF WEB_WORKER}
// Only used for sleep at the moment. We check the tag
Tag:=GetMemInfoInt8(sin+tagOffset);
if (Tag=WASI_EVENTTYPE_CLOCK) then
begin
mem:=getModuleMemoryDataView;
TimeOut:= Mem.getBigInt64(sin+TimeOutOffset,IsLittleEndian);
Precision:=Mem.GetBigInt64(sin+PrecisionOffset,IsLittleEndian);
asm
msTimeOut = TimeOut / Precision;
end;
arr:=TJSint32array.new(FMemory.buffer);
TJSAtomics.Store(arr,256,0);
msTimeout32:=StrToInt(msTimeOut.toString);
Writeln('Timeout is: ',msTImeout32);
TJSAtomics.wait(Arr,256,0,msTimeout32);
Writeln('Done timeout');
end;
{$ELSE}
Result:= WASI_ENOSYS;
{$ENDIF}
end;
function TPas2JSWASIEnvironment.proc_exit(rval: NativeInt): NativeInt;
@ -2438,7 +2471,7 @@ Var
begin
view:=getModuleMemoryDataView();
Result:=GetBigUint64(View,aLoc,IsLittleEndian);
Result:=GetBigInt64(View,aLoc,IsLittleEndian);
end;
function TPas2JSWASIEnvironment.GetMemInfoUInt8(aLoc: TWasmMemoryLocation): Byte;