Use AutoDisableInterrupt when doing a ReAlloc to disable QC while messing with the ArrayBuffer's state

Cellule · Cellule · commit 7028755c9e4a · 2017-08-03T13:52:11.000-04:00
diff --git a/lib/Runtime/Library/ArrayBuffer.cpp b/lib/Runtime/Library/ArrayBuffer.cpp
@@ -1095,6 +1095,10 @@ namespace Js
         }
         else
         {
+            // Disable QC while doing a ReAlloc to minimize chances to end up in a bad state
+            AutoDisableInterrupt autoDisableInterrupt(this->GetScriptContext()->GetThreadContext()->GetInterruptPoller(), true);
+            Unused(autoDisableInterrupt);
+
             byte* newBuffer = nullptr;
             const auto reallocFunc = [&]
             {

Original file line number	Diff line number	Diff line change
`@@ -1095,6 +1095,10 @@ namespace Js`
`1095`	`1095`	`}`
`1096`	`1096`	`else`
`1097`	`1097`	`{`
	`1098`	`+ // Disable QC while doing a ReAlloc to minimize chances to end up in a bad state`
	`1099`	`+ AutoDisableInterrupt autoDisableInterrupt(this->GetScriptContext()->GetThreadContext()->GetInterruptPoller(), true);`
	`1100`	`+ Unused(autoDisableInterrupt);`
	`1101`	`+`
`1098`	`1102`	`byte* newBuffer = nullptr;`
`1099`	`1103`	`const auto reallocFunc = [&]`
`1100`	`1104`	`{`