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Acknowledge port-backed readable close

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Basilisk-Dev 2026-05-09 11:28:20 -04:00 • committed by wuggy
commit 9ea6c8f278
1 changed files with 26 additions and 7 deletions
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33
js/src/builtin/Stream.cpp
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@ -7104,14 +7104,15 @@ js::InitStreamExtras(JSContext* cx, HandleObject global)
var posted = tryPostReadableTransferPort(record.port,
{ type: "error", value: error });
if (!posted) {
tryPostReadableTransferPort(record.port, {
posted = tryPostReadableTransferPort(record.port, {
type: "error",
name: error && error.name,
message: error && error.message
});
}
record.closed = true;
closeReadableTransferPort(record.port);
if (!posted)
closeReadableTransferPort(record.port);
}
function requestReadableTransferPortChunk(state) {
@ -7160,8 +7161,8 @@ js::InitStreamExtras(JSContext* cx, HandleObject global)
if (result.done) {
record.closed = true;
tryPostReadableTransferPort(record.port, { type: "close" });
closeReadableTransferPort(record.port);
if (!tryPostReadableTransferPort(record.port, { type: "close" }))
closeReadableTransferPort(record.port);
return;
}
@ -7208,7 +7209,16 @@ js::InitStreamExtras(JSContext* cx, HandleObject global)
record.port.onmessage = function(event) {
var message = event.data;
if (!message || record.closed || record.canceled)
if (!message || record.canceled)
return;
if (message.type === "closed") {
record.closed = true;
closeReadableTransferPort(record.port);
return;
}
if (record.closed)
return;
if (message.type === "pull") {
@ -7282,13 +7292,22 @@ js::InitStreamExtras(JSContext* cx, HandleObject global)
if (message.type === "close") {
state.closed = true;
try { state.controller.close(); } catch (e) {}
tryPostReadableTransferPort(port, { type: "closed" });
closeReadableTransferPort(port);
return;
}
if (message.type === "error") {
errorReadableTransferPortState(
state, errorFromReadableTransferPortMessage(message));
if (!state.errored) {
state.errored = true;
try {
if (state.controller)
state.controller.error(
errorFromReadableTransferPortMessage(message));
} catch (e) {}
}
tryPostReadableTransferPort(port, { type: "closed" });
closeReadableTransferPort(port);
}
};