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GeezerVison is showing github.com — deps: V8: cherry-pick 9df5ef70ff18 · nodejs/node@7d26bf3

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  • common.gypi
  • deps/v8
    • AUTHORS
    • include
      • v8-array-buffer.h
    • src/api
      • api.cc
    • test/cctest
      • cctest.status
      • test-api-array-buffer.cc
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‎common.gypi‎

Copy file name to clipboardExpand all lines: common.gypi
+1-1Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -36,7 +36,7 @@
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# Reset this number to 0 on major V8 upgrades.
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# Increment by one for each non-official patch applied to deps/v8.
39-
'v8_embedder_string': '-node.16',
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'v8_embedder_string': '-node.20',
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##### V8 defaults for Node.js #####
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‎deps/v8/AUTHORS‎

Copy file name to clipboardExpand all lines: deps/v8/AUTHORS
+1Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -59,6 +59,7 @@ Allan Sandfeld Jensen <[email protected]>
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Amos Lim <[email protected]>
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Andreas Anyuru <[email protected]>
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Andrei Kashcha <[email protected]>
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Andreu Botella <[email protected]>
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Andrew Paprocki <[email protected]>
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Anna Henningsen <[email protected]>
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Antoine du Hamel <[email protected]>
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‎deps/v8/include/v8-array-buffer.h‎

Copy file name to clipboardExpand all lines: deps/v8/include/v8-array-buffer.h
+8Lines changed: 8 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -240,6 +240,11 @@ class V8_EXPORT ArrayBuffer : public Object {
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*/
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bool IsDetachable() const;
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/**
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* Returns true if this ArrayBuffer has been detached.
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*/
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bool WasDetached() const;
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/**
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* Detaches this ArrayBuffer and all its views (typed arrays).
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* Detaching sets the byte length of the buffer and all typed arrays to zero,
@@ -253,6 +258,9 @@ class V8_EXPORT ArrayBuffer : public Object {
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* pointer coordinates the lifetime management of the internal storage
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* with any live ArrayBuffers on the heap, even across isolates. The embedder
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* should not attempt to manage lifetime of the storage through other means.
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*
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* The returned shared pointer will not be empty, even if the ArrayBuffer has
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* been detached. Use |WasDetached| to tell if it has been detached instead.
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*/
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std::shared_ptr<BackingStore> GetBackingStore();
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‎deps/v8/src/api/api.cc‎

Copy file name to clipboardExpand all lines: deps/v8/src/api/api.cc
+4Lines changed: 4 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -7917,6 +7917,10 @@ bool v8::ArrayBuffer::IsDetachable() const {
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return Utils::OpenHandle(this)->is_detachable();
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}
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bool v8::ArrayBuffer::WasDetached() const {
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return Utils::OpenHandle(this)->was_detached();
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}
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namespace {
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std::shared_ptr<i::BackingStore> ToInternal(
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std::shared_ptr<i::BackingStoreBase> backing_store) {
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‎deps/v8/test/cctest/cctest.status‎

Copy file name to clipboardExpand all lines: deps/v8/test/cctest/cctest.status
+1Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -581,6 +581,7 @@
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'test-api/WasmSetJitCodeEventHandler': [SKIP],
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'test-api-wasm/WasmStreaming*': [SKIP],
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'test-api-wasm/WasmCompileToWasmModuleObject': [SKIP],
584+
'test-api-array-buffer/ArrayBuffer_NonDetachableWasDetached': [SKIP],
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'test-backing-store/Run_WasmModule_Buffer_Externalized_Regression_UseAfterFree': [SKIP],
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'test-c-wasm-entry/*': [SKIP],
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'test-compilation-cache/*': [SKIP],
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‎deps/v8/test/cctest/test-api-array-buffer.cc‎

Copy file name to clipboardExpand all lines: deps/v8/test/cctest/test-api-array-buffer.cc
+31Lines changed: 31 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -245,6 +245,37 @@ THREADED_TEST(ArrayBuffer_DetachingScript) {
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CheckDataViewIsDetached(dv);
246246
}
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248+
THREADED_TEST(ArrayBuffer_WasDetached) {
249+
LocalContext env;
250+
v8::Isolate* isolate = env->GetIsolate();
251+
v8::HandleScope handle_scope(isolate);
252+
253+
Local<v8::ArrayBuffer> ab = v8::ArrayBuffer::New(isolate, 0);
254+
CHECK(!ab->WasDetached());
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256+
ab->Detach();
257+
CHECK(ab->WasDetached());
258+
}
259+
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THREADED_TEST(ArrayBuffer_NonDetachableWasDetached) {
261+
LocalContext env;
262+
v8::Isolate* isolate = env->GetIsolate();
263+
v8::HandleScope handle_scope(isolate);
264+
265+
CompileRun(R"JS(
266+
var wasmMemory = new WebAssembly.Memory({initial: 1, maximum: 2});
267+
)JS");
268+
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Local<v8::ArrayBuffer> non_detachable =
270+
CompileRun("wasmMemory.buffer").As<v8::ArrayBuffer>();
271+
CHECK(!non_detachable->IsDetachable());
272+
CHECK(!non_detachable->WasDetached());
273+
274+
CompileRun("wasmMemory.grow(1)");
275+
CHECK(!non_detachable->IsDetachable());
276+
CHECK(non_detachable->WasDetached());
277+
}
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THREADED_TEST(ArrayBuffer_ExternalizeEmpty) {
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LocalContext env;
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v8::Isolate* isolate = env->GetIsolate();

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