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Code Issues Releases Wiki Activity

Updated cleanup

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This commit is contained in:
Bryan Roe
2021-10-29 16:29:20 -07:00
parent ab066751fb
commit 85fb2f3e1f
3 changed files with 56 additions and 87 deletions
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21
modules/win-com.js
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@@ -21,6 +21,7 @@ const EOAC_NONE = 0;
const RPC_C_AUTHN_LEVEL_DEFAULT = 0;
const RPC_C_IMP_LEVEL_IMPERSONATE = 3;
const COINIT_MULTITHREADED = 0;
const IUnknownMethods = ['QueryInterface', 'AddRef', 'Release'];
var GM = require('_GenericMarshal');
var ole32 = GM.CreateNativeProxy('ole32.dll');
@@ -29,10 +30,20 @@ ole32.CreateMethod('CoCreateInstance');
ole32.CreateMethod('CoInitializeSecurity');
ole32.CreateMethod('CoInitialize');
ole32.CreateMethod('CoInitializeEx');
ole32.CreateMethod('CoUninitialize');
ole32.CreateMethod('IIDFromString');
ole32.CreateMethod('StringFromCLSID');
ole32.CreateMethod('StringFromIID');
function createInstance_finalizer()
{
var tmp = marshalFunctions(this, IUnknownMethods);
tmp.Release(this);
ole32.CoUninitialize();
console.log('final');
}
function createInstance(RFCLSID, RFIID, options)
{
ole32.CoInitializeEx(0, COINIT_MULTITHREADED);
@@ -40,9 +51,15 @@ function createInstance(RFCLSID, RFIID, options)
var ppv = GM.CreatePointer();
var h;
if ((h = ole32.CoCreateInstance(RFCLSID, 0, CLSCTX_INPROC_SERVER | CLSCTX_LOCAL_SERVER, RFIID, ppv)).Val == 0)
if ((h = ole32.CoCreateInstance(RFCLSID, 0, CLSCTX_INPROC_SERVER | CLSCTX_LOCAL_SERVER, RFIID,ppv)).Val == 0)
{
return (ppv.Deref());
var ret = ppv.Deref();
ret.once('~', createInstance_finalizer);
return (ret);
}
else
{
ole32.CoUninitialize();
}
throw ('Error calling CoCreateInstance(' + h.Val + ')');
}