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LibWeb: Ignore MessagePort.start() on already-closed port

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This matches other browsers, and fixes an assertion found by Domato.
This commit is contained in:
Andreas Kling 2024-03-12 10:53:21 +01:00
parent c11f710628
commit 43d2c920e0
3 changed files with 14 additions and 0 deletions
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3
Userland/Libraries/LibWeb/HTML/MessagePort.cpp
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@ -364,6 +364,9 @@ void MessagePort::post_message_task_steps(SerializedTransferRecord& serialize_wi
// https://html.spec.whatwg.org/multipage/web-messaging.html#dom-messageport-start
void MessagePort::start()
{
if (!is_entangled())
return;
VERIFY(m_socket);
VERIFY(m_fd_passing_socket);