IPC stream send is slow due to semaphore signal if receiver is faster than sender
Created attachment 458581 [details] Patch
<rdar://problem/92853930>
Pull request: https://github.com/WebKit/WebKit/pull/1500
Pull request: https://github.com/WebKit/WebKit/pull/1637
Committed 251815@main (05cb01bde6d0): <https://commits.webkit.org/251815@main> Reviewed commits have been landed. Closing PR #1637 and removing active labels.