guile-knots/tests/backtraces/fibers-force.scm
Christopher Baines b3fa4d069b
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Rework the backtrace handling
Try and improve the print-backtrace-and-exception/knots output, be
selective about the stack frames which are shown to try and produce
some useful output which reflects user code and hide the
&knots-exceptions.

This commit also introduces a bunch of tests scripts that produce
output from print-backtrace-and-exception/knots, to help test this
code in different situations.
2026-03-22 18:31:56 +00:00

15 lines
443 B
Scheme

(use-modules (knots) (fibers) (knots promise))
(run-fibers
(lambda ()
;; FIRST BACKTRACE ENTRY: 1762:12 (with-exception-handler
(with-exception-handler
(lambda (e)
(print-backtrace-and-exception/knots e)
(primitive-exit 1))
(lambda ()
(fibers-force
(fibers-delay
(lambda ()
(error "error from fibers-force"))))))) ; LAST BACKTRACE ENTRY HERE
#:hz 0 #:parallelism 1)