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(define (dbfile:print-err . params)
(with-output-to-port
(current-error-port)
(lambda ()
(apply print params))))
(define (dbfile:cautious-open-database fname init-proc sync-mode journal-mode #!optional (tries-left 500))
(let* ((busy-file (conc fname"-journal"))
(delay-time (* (- 51 tries-left) 1.1))
(write-access (file-write-access? fname))
(dir-access (file-write-access? (pathname-directory fname)))
(retry (lambda ()
(thread-sleep! delay-time)
(if (> tries-left 0)
(dbfile:cautious-open-database fname init-proc
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(define (dbfile:print-err . params)
(with-output-to-port
(current-error-port)
(lambda ()
(apply print params))))
(define (dbfile:cautious-open-database fname init-proc sync-mode journal-mode #!optional (tries-left 500))
(let* ((busy-file (conc fname "-journal"))
(delay-time (* (- 51 tries-left) 1.1))
(write-access (file-write-access? fname))
(dir-access (file-write-access? (pathname-directory fname)))
(retry (lambda ()
(thread-sleep! delay-time)
(if (> tries-left 0)
(dbfile:cautious-open-database fname init-proc
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