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Wrap place invocation with setjmp error handling

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svn: r17259
This commit is contained in:
Kevin Tew 2009-12-10 16:34:14 +00:00
parent 466f56ed0d
commit 2003de720a
1 changed files with 23 additions and 6 deletions
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29
src/mzscheme/src/places.c
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@ -325,7 +325,7 @@ static Scheme_Object *scheme_place_wait(int argc, Scheme_Object *args[]) {
worker_thread = mz_proc_thread_create(mz_proc_thread_wait_worker, wd);
mz_proc_thread_detach(worker_thread);
scheme_block_until(place_wait_ready, NULL, (Scheme_Object *) wd, 1.0);
scheme_block_until(place_wait_ready, NULL, (Scheme_Object *) wd, 0);
rc = scheme_make_integer((long)wd->rc);
free(wd);
@ -421,9 +421,9 @@ static void *place_start_proc(void *data_arg) {
Place_Start_Data *place_data;
Scheme_Object *a[2];
int ptid;
long rc = 0;
ptid = mz_proc_thread_self();
stack_base = PROMPT_STACK(stack_base);
place_data = (Place_Start_Data *) data_arg;
@ -449,14 +449,31 @@ static void *place_start_proc(void *data_arg) {
Scheme_Object *place_main;
a[0] = scheme_places_deep_copy(place_data->module);
a[1] = scheme_places_deep_copy(place_data->function);
place_main = scheme_dynamic_require(2, a);
a[0] = scheme_places_deep_copy(place_data->channel);
scheme_apply(place_main, 1, a);
{
Scheme_Thread * volatile p;
mz_jmp_buf * volatile saved_error_buf;
mz_jmp_buf new_error_buf;
p = scheme_get_current_thread();
saved_error_buf = p->error_buf;
p->error_buf = &new_error_buf;
if (!scheme_setjmp(new_error_buf)) {
place_main = scheme_dynamic_require(2, a);
a[0] = scheme_places_deep_copy(place_data->channel);
scheme_apply(place_main, 1, a);
}
else {
rc = 1;
}
p->error_buf = saved_error_buf;
}
/*printf("Leavin place: proc thread id%u\n", ptid);*/
scheme_place_instance_destroy();
}
return scheme_true;
return (void*) rc;
}
Scheme_Object *scheme_places_deep_copy_in_master(Scheme_Object *so) {