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Simon Tatham 5dadbdf556 ssh_sftp_do_select: don't fail if a callback is pending.
ssh_sftp_loop_iteration() used to return failure if no file handle was
in use for the select loop, on the basis that that means select would
just loop forever. But if there's a toplevel callback pending - in
particular, if it's going to do something like emptying ssh->in_raw
which will put an fd _back into_ the next iteration of the select loop
- then that's not a good enough reason to return permanent failure.
Just go round the loop, run the callback, and try again.
2019-02-17 20:30:14 +00:00
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