[browser][MT] invocation of user JS in UI thread till next event loop tick #100040
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postpone invocation of user JS in UI thread till next event loop tick, so that
em_task_queue_execute
is not blocked by it.That allows
emscripten_yield
to process FS POSIX calls even if the UI is spin-waiting for the return from synchonous call toJSExport
SyncDoneSemaphorePtr
invoke_later_when_on_ui_thread_sync
invoke_later_when_on_ui_thread_async
which postpone invocation of user code till next event loop tickmono_wasm_invoke_jsimport_MT
browser-threads
sample, more tests in next PR