hrt_vaddress sh_css_refcount_alloc(
int32_t id, const size_t size, const uint16_t attribute)
{
hrt_vaddress ptr;
struct sh_css_refcount_entry *entry = NULL;
uint32_t i;
assert(size > 0);
assert(id != FREE_BUF_CACHE);
for (i = 0; i < myrefcount.size; i++) {
entry = &myrefcount.items[i];
if ((entry->id == FREE_BUF_CACHE) && (entry->size == size)) {
entry->id = id;
assert(entry->count == 0);
entry->count = 1;
assert(entry->data != mmgr_NULL);
if (attribute & MMGR_ATTRIBUTE_CLEARED)
mmgr_clear(entry->data, size);
sh_css_dtrace(SH_DBG_TRACE_PRIVATE,
"sh_css_refcount_alloc(%x) 0x%x "
"reused from cache, refcnt %d\n",
id, entry->data, entry->count);
return entry->data;
}
}
ptr = mmgr_alloc_attr(size, attribute);
assert(ptr != mmgr_NULL);
/* This address should not exist in the administration yet */
assert(!find_entry(ptr));
entry = find_free_entry(ptr);
assert(entry != NULL);
if (entry == NULL)
return mmgr_NULL;
assert(entry->data == mmgr_NULL);
entry->id = id;
entry->data = ptr;
entry->size = size;
entry->count = 1;
sh_css_dtrace(SH_DBG_TRACE_PRIVATE,
"sh_css_refcount_alloc(%x) 0x%x "
"new alloc refcnt %d\n",
id, ptr, entry->count);
return ptr;
}
int peos_create_instance(char *model_file,peos_resource_t *resources,int num_resources)
{
peos_context_t *context;
if ((context = find_free_entry()) == NULL) {
return -1;
}
if ((context->process_graph = makegraph(model_file)) != NULL) {
context->pid = peos_get_pid(context);
context->num_resources = num_resources;
context -> resources = resources;
strcpy(context->model, model_file);
context->status = PEOS_READY;
initialize_graph(context->process_graph, context->pid);
return (context->pid);
}
return -1;
}
