void aspace_destroy(aspace_t *a)
{
area_t *area;
/* tear down all attached areas */
while((area = (area_t*) list_peek_head(&a->areas))){
area_destroy(a, area->rsrc.id);
}
rsrc_release(&a->rsrc);
/* release page directory and table(s) */
kfreepage(a->pdir);
kfreepage(a->ptab);
kfree(aspace_t, a);
}
void
column_detach(Frame *f) {
Frame *first;
Area *a;
int dy;
a = f->area;
stack_info(f, &first, nil, &dy, nil);
if(first && first == f)
first = f->anext;
column_remove(f);
if(a->frame) {
if(first)
stack_scale(first, dy);
column_arrange(a, false);
}else if(a->view->areas[a->screen]->next)
area_destroy(a);
}
/* test functions */
static int
test_area (AREA_CREATE_INFO * info, int nthreads, void *(*proc) (void *))
{
#define MAX_THREADS 64
AREA *area = NULL;
pthread_t threads[MAX_THREADS];
char msg[256];
int i;
assert (info != NULL);
sprintf (msg, "%s(size:%d, count:%d), %d threads", info->name, info->entry_size, info->alloc_cnt, nthreads);
begin (msg);
/* initialization */
if (nthreads > MAX_THREADS)
{
return fail ("too many threads");
}
/* initialization */
area_init ();
area = area_create (info->name, info->entry_size, info->alloc_cnt);
if (area == NULL)
{
return fail ("area create fail");
}
/* multithreaded test */
for (i = 0; i < nthreads; i++)
{
if (pthread_create (&threads[i], NULL, proc, (void *) area) != NO_ERROR)
{
return fail ("thread create");
}
}
for (i = 0; i < nthreads; i++)
{
void *retval;
pthread_join (threads[i], &retval);
if (retval != NO_ERROR)
{
return fail ("thread proc error");
}
}
/* results */
{
AREA_BLOCKSET_LIST *blockset;
AREA_BLOCK *block;
int i, j, blockset_cnt = 0, block_cnt = 0, chunk_count;
for (blockset = area->blockset_list; blockset != NULL; blockset = blockset->next)
{
for (i = 0; i < blockset->used_count; i++)
{
block = blockset->items[i];
assert (block != NULL);
chunk_count = CEIL_PTVDIV (block->bitmap.entry_count, LF_BITFIELD_WORD_SIZE);
for (j = 0; j < chunk_count; j++)
{
if (block->bitmap.bitfield[j])
{
return fail ("check bitmap status");
}
}
block_cnt++;
}
blockset_cnt++;
}
printf (" Used %3d blocks(%2d blocksets). ", block_cnt, blockset_cnt);
}
/* destory */
area_destroy (area);
area_final ();
return success ();
#undef MAX_THREADS
}
