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< __FBSDID("$FreeBSD: head/sys/kern/tty_pty.c 116182 2003-06-11 00:56:59Z obrien $");
---
> __FBSDID("$FreeBSD: head/sys/kern/tty_pty.c 120513 2003-09-27 12:44:06Z phk $");
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< return (seltrue(dev, events, td) | POLLHUP);
---
> return (events &
> (POLLHUP | POLLIN | POLLRDNORM | POLLOUT | POLLWRNORM));