Fix crash in ProcessIdentifier

Author: Ben Grant

src/bun.js/bindings/ProcessIdentifier.cpp

@@ -31,23 +31,12 @@
 namespace WebCore {
 namespace Process {
 
-static std::optional<ProcessIdentifier> globalIdentifier;
-
-void setIdentifier(ProcessIdentifier processIdentifier)
-{
-    ASSERT(isUIThread());
-    globalIdentifier = processIdentifier;
-}
+// Bun only has 1 process
+static ProcessIdentifier globalIdentifier { 1 };
 
 ProcessIdentifier identifier()
 {
-    static std::once_flag onceFlag;
-    std::call_once(onceFlag, [] {
-        if (!globalIdentifier)
-            globalIdentifier = ProcessIdentifier::generate();
-    });
-
-    return *globalIdentifier;
+    return globalIdentifier;
 }
 
 } // namespace ProcessIdent

src/bun.js/bindings/ProcessIdentifier.h

@@ -34,7 +34,6 @@ using ProcessIdentifier = ObjectIdentifier<ProcessIdentifierType>;
 
 namespace Process {
 
-WEBCORE_EXPORT void setIdentifier(ProcessIdentifier);
 WEBCORE_EXPORT ProcessIdentifier identifier();
 
 } // namespace Process

src/bun.js/bindings/ZigGlobalObject.cpp

@@ -143,7 +143,6 @@
 #include "Performance.h"
 #include "ProcessBindingConstants.h"
 #include "ProcessBindingTTYWrap.h"
-#include "ProcessIdentifier.h"
 #include "ReadableStream.h"
 #include "SerializedScriptValue.h"
 #include "StructuredClone.h"