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tty: notify read in addition to write when the other tty is closed

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Reading a tty that's closed by the other side will return an end of file
error, but will not block.

Fixes #18486.

Change-Id: I8441becdcc8c83c08611684fa0a29216e9d04ec8
Reviewed-on: https://review.haiku-os.org/c/haiku/+/6665
Reviewed-by: waddlesplash <[email protected]>
Tested-by: Commit checker robot <[email protected]>
This commit is contained in:
PulkoMandy
2023-07-03 09:38:33 +00:00
committed by Adrien Destugues
parent 037c2257f9
commit 311dc3ca7d
1 changed files with 4 additions and 2 deletions
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src/add-ons/kernel/generic/tty/tty.cpp
+4 -2
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@@ -1524,9 +1524,11 @@ tty_close_cookie(tty_cookie* cookie)
requestLocker.Unlock(); requestLocker.Unlock();
// notify a select write event on the other tty, if we've closed this tty // notify a select read and write event on the other tty, if we've closed this tty
if (cookie->other_tty->open_count > 0) if (cookie->other_tty->open_count > 0) {
tty_notify_select_event(cookie->other_tty, B_SELECT_WRITE); tty_notify_select_event(cookie->other_tty, B_SELECT_WRITE);
tty_notify_select_event(cookie->other_tty, B_SELECT_READ);
}
cookie->tty->is_exclusive = false; cookie->tty->is_exclusive = false;
} }