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src: don't abort on EIO when restoring tty #28490

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src: don't abort on EIO when restoring tty #28490

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5 changes: 4 additions & 1 deletion src/node.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -692,7 +692,10 @@ void ResetStdio() {
do
err = tcsetattr(fd, TCSANOW, &s.termios);
while (err == -1 && errno == EINTR); // NOLINT
CHECK_NE(err, -1);
// EIO has been observed to be returned by the Linux kernel under some
// circumstances. Reading through drivers/tty/tty_io*.c, it seems to
// indicate the tty went away. Of course none of this is documented.
CHECK_IMPLIES(err == -1, errno == EIO);
}
}
#endif // __POSIX__
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