Fix crash in testapi when JSC attempts to use MemoryPressureHandler

emutavchi · emutavchi · commit 91d1f1593485 · 2025-10-24T14:56:24.000Z
JSC attempts to use pressure handler in
JSC::Heap::overCriticalMemoryThreshold when
BMALLOC_MEMORY_FOOTPRINT_API is enabled.
diff --git a/Source/JavaScriptCore/API/tests/testapi.cpp b/Source/JavaScriptCore/API/tests/testapi.cpp
@@ -35,6 +35,7 @@
 #include <wtf/Expected.h>
 #include <wtf/Noncopyable.h>
 #include <wtf/NumberOfCores.h>
+#include <wtf/MainThread.h>
 #include <wtf/Vector.h>
 #include <wtf/text/MakeString.h>
 #include <wtf/text/StringCommon.h>
@@ -1184,6 +1185,7 @@ void TestAPI::testBigInt()
 
 void configureJSCForTesting()
 {
+    WTF::initializeMainThread();
     JSC::Config::configureForTesting();
     JSC::Options::machExceptionHandlerSandboxPolicy = JSC::Options::SandboxPolicy::Allow;
 }

Original file line number	Diff line number	Diff line change
`@@ -35,6 +35,7 @@`
`35`	`35`	`#include <wtf/Expected.h>`
`36`	`36`	`#include <wtf/Noncopyable.h>`
`37`	`37`	`#include <wtf/NumberOfCores.h>`
	`38`	`+#include <wtf/MainThread.h>`
`38`	`39`	`#include <wtf/Vector.h>`
`39`	`40`	`#include <wtf/text/MakeString.h>`
`40`	`41`	`#include <wtf/text/StringCommon.h>`
`@@ -1184,6 +1185,7 @@ void TestAPI::testBigInt()`
`1184`	`1185`
`1185`	`1186`	`void configureJSCForTesting()`
`1186`	`1187`	`{`
	`1188`	`+ WTF::initializeMainThread();`
`1187`	`1189`	`JSC::Config::configureForTesting();`
`1188`	`1190`	`JSC::Options::machExceptionHandlerSandboxPolicy = JSC::Options::SandboxPolicy::Allow;`
`1189`	`1191`	`}`