static void get_some(int times)
{
if( times == 0 ) return;
get_some(times-1);
int sz = random() % 20;
int cnt = IGS;
if( sz <= 0 ) sz = 1;
while(cnt--)
{
if( igp >= IGS-1 ) igp = -1;
if( igot[++igp].size )
continue;
physalloc_item_t ret;
if( phantom_phys_alloc_region( &pm_map, &ret, sz ) )
return;
igot[igp].size = sz;
igot[igp].pos = ret;
SHOW_FLOW( 10, "get %7d @ %7d", igot[igp].size, igot[igp].pos);
return;
}
}
int do_test_physalloc_gen(const char *test_parm)
{
(void) test_parm;
physalloc_item_t ret;
memset( &igot, 0, sizeof(igot) );
SHOW_FLOW( 0, "physalloc test arena %d, initial free %d", PA_PAGES, PA_PAGES/2 );
phantom_phys_alloc_init( &pm_map, PA_PAGES );
SHOW_FLOW( 0, "physalloc test allocable_size %d, n_used_pages %d", pm_map.allocable_size, pm_map.n_used_pages );
// Free half at strange position
pm_map.allocable_size = PA_PAGES/2;
pm_map.n_used_pages = PA_PAGES/2; // init sets it to PA_PAGES
phantom_phys_free_region(&pm_map, 100, PA_PAGES/2);
SHOW_FLOW( 0, "physalloc test allocable_size %d, n_used_pages %d", pm_map.allocable_size, pm_map.n_used_pages );
cfree(PA_PAGES/2);
test_check_false( phantom_phys_alloc_region( &pm_map, &ret, 20 ) );
cfree(PA_PAGES/2-20);
phantom_phys_free_region( &pm_map, ret, 20 );
cfree(PA_PAGES/2);
SHOW_FLOW0( 0, "loop mem a/f" );
get_some(10);
put_some(5);
get_some(10);
put_some(5);
get_some(10);
put_some(10);
put_some(25); // cleanup
cfree(PA_PAGES/2);
return 0;
}
extern int printf(const char *str, ...);
static int counter;
int get_some(void)
{
return counter++;
}
int main(void)
{
printf("%d\n", get_some() ? : 42);
printf("%d\n", get_some() ? : 42);
printf("%d\n", get_some() && get_some() ? : 42);
printf("%d\n", get_some() || get_some() ? : 42);
printf("%d\n", !get_some() ? : 42);
printf("%d\n", get_some() ? get_some() : 42);
return 0;
}