diff options
Diffstat (limited to 'test-suite/standalone/test-smob-mark-race.c')
-rw-r--r-- | test-suite/standalone/test-smob-mark-race.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/test-suite/standalone/test-smob-mark-race.c b/test-suite/standalone/test-smob-mark-race.c new file mode 100644 index 000000000..31aba8c30 --- /dev/null +++ b/test-suite/standalone/test-smob-mark-race.c @@ -0,0 +1,66 @@ +/* Copyright 2016 + Free Software Foundation, Inc. + + This file is part of Guile. + + Guile is free software: you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published + by the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + Guile is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public + License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with Guile. If not, see + <https://www.gnu.org/licenses/>. */ + +#if HAVE_CONFIG_H +#include <config.h> +#endif + +#undef NDEBUG + +#include <libguile.h> +#include <assert.h> + +static SCM +mark_smob (SCM smob) +{ + assert (SCM_SMOB_DATA (smob) == 1); + return SCM_BOOL_F; +} + +static size_t +finalize_smob (SCM smob) +{ + assert (SCM_SMOB_DATA (smob) == 1); + SCM_SET_SMOB_DATA (smob, 0); + /* Allocate a bit in the hopes of triggering a new GC, making the + marker race with the finalizer. */ + scm_cons (SCM_BOOL_F, SCM_BOOL_F); + return 0; +} + +static void +tests (void *data, int argc, char **argv) +{ + scm_t_bits tc16; + int i; + + tc16 = scm_make_smob_type ("smob with finalizer", 0); + scm_set_smob_mark (tc16, mark_smob); + scm_set_smob_free (tc16, finalize_smob); + + for (i = 0; i < 1000 * 1000; i++) + scm_new_smob (tc16, 1); +} + +int +main (int argc, char *argv[]) +{ + scm_boot_guile (argc, argv, tests, NULL); + return 0; +} |