static void release_master_btc_mark(NewGC *gc)
{
if (gc->master_page_btc_mark_checked) {
/* release the lock on the master's new_btc_mark value */
mzrt_mutex_lock(master_btc_lock);
--master_btc_lock_count;
if (!master_btc_lock_count && master_btc_lock_waiters) {
--master_btc_lock_waiters;
mzrt_sema_post(master_btc_sema);
}
mzrt_mutex_unlock(master_btc_lock);
}
}
static void *place_start_proc_after_stack(void *data_arg, void *stack_base) {
Place_Start_Data *place_data;
Scheme_Object *place_main;
Scheme_Object *a[2], *channel;
mzrt_thread_id ptid;
intptr_t rc = 0;
ptid = mz_proc_thread_self();
place_data = (Place_Start_Data *) data_arg;
data_arg = NULL;
/* printf("Startin place: proc thread id%u\n", ptid); */
/* create pristine THREAD_LOCAL variables*/
null_out_runtime_globals();
/* scheme_make_thread behaves differently if the above global vars are not null */
scheme_place_instance_init(stack_base);
a[0] = scheme_places_deep_copy(place_data->current_library_collection_paths);
scheme_current_library_collection_paths(1, a);
a[0] = scheme_places_deep_copy(place_data->module);
a[1] = scheme_places_deep_copy(place_data->function);
a[1] = scheme_intern_exact_symbol(SCHEME_SYM_VAL(a[1]), SCHEME_SYM_LEN(a[1]));
if (!SAME_TYPE(SCHEME_TYPE(place_data->channel), scheme_place_bi_channel_type)) {
channel = scheme_places_deep_copy(place_data->channel);
}
else {
channel = place_data->channel;
}
mzrt_sema_post(place_data->ready);
place_data = NULL;
# ifdef MZ_PRECISE_GC
/* this prevents a master collection attempt from deadlocking with the
place_data->ready semaphore above */
GC_allow_master_gc_check();
# endif
/* at point point, don't refer to place_data or its content
anymore, because it's allocated in the other place */
scheme_set_root_param(MZCONFIG_EXIT_HANDLER, scheme_def_place_exit_proc);
{
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)) {
Scheme_Object *dynamic_require;
dynamic_require = scheme_builtin_value("dynamic-require");
place_main = scheme_apply(dynamic_require, 2, a);
a[0] = 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 (void*) rc;
}
