guile-knots/tests/backtraces/stack-situation-fibers.scm

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(use-modules (knots)
(knots backtraces)
(fibers)
(system repl debug))
(run-fibers
(lambda ()
(with-exception-handler
(lambda (exn)
(let ((stack (make-stack #t)))
(print-backtrace-and-exception/knots exn)
(simple-format/knots #t
"situation: ~A\n"
(classify-stack-situation
(stack->vector stack))))
(primitive-exit 0))
(lambda ()
(error "test"))))
#:hz 0 #:parallelism 1)