diff --git a/libguile/throw.c b/libguile/throw.c index 98149a167..fd84f6048 100644 --- a/libguile/throw.c +++ b/libguile/throw.c @@ -185,7 +185,7 @@ throw_without_pre_unwind (SCM tag, SCM args) if (scm_is_true (scm_c_vector_ref (eh, 3))) fprintf (stderr, "\nWarning: unwind-only exception, perhaps due to " - "stack overflow; not running pre-unwind handlers."); + "stack overflow; not running pre-unwind handlers.\n"); prompt_tag = scm_c_vector_ref (eh, 2); if (scm_is_true (prompt_tag)) diff --git a/test-suite/standalone/Makefile.am b/test-suite/standalone/Makefile.am index 5c0c6a79f..6f252f4cf 100644 --- a/test-suite/standalone/Makefile.am +++ b/test-suite/standalone/Makefile.am @@ -1,7 +1,7 @@ ## Process this file with automake to produce Makefile.in. ## ## Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, -## 2011, 2012, 2013 Free Software Foundation, Inc. +## 2011, 2012, 2013, 2014 Free Software Foundation, Inc. ## ## This file is part of GUILE. ## @@ -264,4 +264,7 @@ test_smob_mark_LDADD = $(LIBGUILE_LDADD) check_PROGRAMS += test-smob-mark TESTS += test-smob-mark +check_SCRIPTS += test-stack-overflow +TESTS += test-stack-overflow + EXTRA_DIST += ${check_SCRIPTS} diff --git a/test-suite/standalone/test-stack-overflow b/test-suite/standalone/test-stack-overflow new file mode 100755 index 000000000..5a0b77799 --- /dev/null +++ b/test-suite/standalone/test-stack-overflow @@ -0,0 +1,38 @@ +#!/bin/sh +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)) + +;; 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: