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#!/bin/sh
guild compile "$0"
exec guile -q -s "$0" "$@"
!#
(unless (defined? 'setrlimit)
;; Without an rlimit, this test can take down your system, as it
;; consumes all of your memory in stack space. That doesn't seem like
;; something we should run as part of an automated test suite.
(exit 0))
(when (string-ci= "darwin" (vector-ref (uname) 0))
;; setrlimits are ignored in OS X (tested on 10.9 and 10.10). Proceeding
;; with the test would fill all available memory and probably end in a crash.
;; See also test-stack-overflow.
(exit 77)) ; uresolved
;; 100 MB.
(define *limit* (* 100 1024 1024))
(call-with-values (lambda () (getrlimit 'as))
(lambda (soft hard)
(unless (and soft (< soft *limit*))
(setrlimit 'as (if hard (min *limit* hard) *limit*) hard))))
(define (test)
(catch 'stack-overflow
(lambda ()
(let lp ()
(lp)
(error "should not be reached")))
(lambda _
#t)))
;; Run the test a few times. The stack will only be enlarged and
;; relocated on the first one.
(test)
(test)
(test)
(test)
(test)
;; Local Variables:
;; mode: scheme
;; End:
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