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#include <common/test.h>
START(pid, tid, d0, d1, d2, d3)
{
UNUSED(pid);
UNUSED(tid);
UNUSED(d0);
UNUSED(d1);
UNUSED(d2);
UNUSED(d3);
const long nallocs = 200000;
printf("allocating space for pointers...\n");
/* 128 MiB / 4K */
void **allocs = sys_req_mem(nallocs * sizeof(void *), VM_W | VM_R);
check(allocs, "initial allocation failed\n");
printf("allocating memory until we run out...\n");
long i = 0;
while (1) {
check(i < nallocs, "not enough pointers for malloc test\n");
char *p = sys_req_mem(1, VM_W | VM_R);
if (!p)
break;
/* check that we actually got a page */
*p = 'a';
allocs[i++] = p;
}
printf("ran out of memory, freeing...\n");
for (; i >= 0; --i)
sys_free_mem((uintptr_t)allocs[i]);
printf("freed all memory, doing one last allocation to check we're good...\n");
/* not super exhaustive but would hopefully go haywire if the page
* allocator got corrupted or something */
char *p = sys_req_mem(1, VM_W | VM_R);
*p = 'b';
sys_free_mem((uintptr_t)p);
sys_free_mem((uintptr_t)allocs);
ok();
}
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