termio/exec: if pty fd HUP, end read thread #5351
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Fixes #4884 When our command exits, it will close the pty slave fd. This will trigger a HUP on our poll. Previously, we only checked for IN. When a fd is closed, IN triggers forever which would leave to an infinite loop and 100% CPU. Now, detect the HUP and exit the read thread.
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Fixes #4884
When our command exits, it will close the pty slave fd. This will trigger a HUP on our poll. Previously, we only checked for IN. When a fd is closed, IN triggers forever which would leave to an infinite loop and 100% CPU.
Now, detect the HUP and exit the read thread.