Currently any fetch request to a http or https address happening inside a Worker will hang indefinitely.
This can be reproduced by following these steps:
- Put the following files into a folder:
worker-fetch-test.html:
<!DOCTYPE html>
<script>
const worker = new Worker("worker-fetch-test.js");
worker.onmessage = (evt) => {
console.log(`Fetch request completed. Content: ${evt.data}`);
};
</script>worker-fetch-test.js:
fetch("./test.file")
.then(response => response.text())
.then(text => self.postMessage(text));test.file:
Fetch works correctly!
cdinto the folder containing the above files- Start a HTTP server with
python3 -m http.server 8080 - Visit
http://localhost:8080/worker-fetch-test.htmlin Ladybird - The message "Fetch request completed. Content: Fetch works correctly!" should be printed to the console, but currently nothing happens.
NOTE: This behavior seems to occur intermittently. You may need to refresh the page to get it to hang.
The hang occurs because EAGAIN is returned when the response data is read.
I previously attempted to fix this issue in d0f88d4 but the change ended up having to be reverted.
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