structured clone (#3637)

* copy `SerializedScriptValue`

* format

* make `SerializedScriptValue` compile

* add `transfer` option

* tests

* serialize/deserialize blobs

* tests for blobs

* serialize/deserialize file blobs

* more tests

* small cleanup

* format

* small changes + serialize offset

* slice helper

* map and set test

1 files changed, 54 insertions, 0 deletions

diff --git a/src/bun.js/bindings/ProcessIdentifier.cpp b/src/bun.js/bindings/ProcessIdentifier.cpp
new file mode 100644
index 000000000..5e82f4fe9
--- /dev/null
+++ b/src/bun.js/bindings/ProcessIdentifier.cpp
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2017 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "ProcessIdentifier.h"
+
+#include <wtf/MainThread.h>
+
+namespace WebCore {
+namespace ProcessIdent {
+
+static std::optional<ProcessIdentifier> globalIdentifier;
+
+void setIdentifier(ProcessIdentifier processIdentifier)
+{
+    ASSERT(isUIThread());
+    globalIdentifier = processIdentifier;
+}
+
+ProcessIdentifier identifier()
+{
+    static std::once_flag onceFlag;
+    std::call_once(onceFlag, [] {
+        if (!globalIdentifier)
+            globalIdentifier = ProcessIdentifier::generate();
+    });
+
+    return *globalIdentifier;
+}
+
+} // namespace ProcessIdent
+} // namespace WebCore