forked from cory/tildefriends
Binary search import records.
git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@3742 ed5197a5-7fde-0310-b194-c3ffbd925b24
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151
src/task.c
151
src/task.c
@ -95,7 +95,7 @@ typedef struct _tf_task_t {
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int _export_count;
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exportid_t _nextExport;
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import_record_t* _imports;
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import_record_t** _imports;
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int _import_count;
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JSValue _requires;
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JSValue _loadedFiles;
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@ -143,64 +143,85 @@ static tf_taskstub_t* _tf_task_get_stub(tf_task_t* task, taskid_t id);
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static void _tf_task_release_export(tf_taskstub_t* stub, exportid_t exportId);
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typedef struct _import_record_t {
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tf_task_t* _owner;
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JSValue _function;
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exportid_t _export;
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taskid_t _task;
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tf_task_t* _owner;
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int _useCount;
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import_record_t* _next;
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} import_record_t;
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static int _import_compare(const void* a, const void* b)
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{
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const import_record_t* ia = a;
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const import_record_t* const* ib = b;
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if (ia->_task != (*ib)->_task)
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{
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return ia->_task < (*ib)->_task ? -1 : 1;
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}
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else if (ia->_export != (*ib)->_export)
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{
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return ia->_export < (*ib)->_export ? -1 : 1;
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}
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else
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{
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return 0;
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}
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}
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static import_record_t** _tf_task_find_import(tf_task_t* task, taskid_t task_id, exportid_t export_id)
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{
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if (!task->_imports)
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{
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return NULL;
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}
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import_record_t search =
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{
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._task = task_id,
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._export = export_id,
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};
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import_record_t** it = bsearch(&search, task->_imports, task->_import_count, sizeof(import_record_t*), _import_compare);
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return it;
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}
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static void _tf_task_trace_imports(tf_task_t* task)
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{
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tf_trace_counter(task->_trace, "imports", 1, (const char*[]) { "count" }, (int64_t[]) { task->_import_count });
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}
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static void _import_record_release(import_record_t* import)
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static void _import_record_release(import_record_t** import)
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{
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JSContext* context = import->_owner->_context;
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if (--import->_useCount > 0)
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JSContext* context = (*import)->_owner->_context;
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tf_task_t* task = (*import)->_owner;
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import_record_t* record = *import;
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if (--record->_useCount > 0)
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{
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return;
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}
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JS_SetOpaque(import->_function, NULL);
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JS_FreeValue(context, import->_function);
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import->_function = JS_UNDEFINED;
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_tf_task_release_export(_tf_task_get_stub(import->_owner, import->_task), import->_export);
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JS_SetOpaque(record->_function, NULL);
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JS_FreeValue(context, record->_function);
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record->_function = JS_UNDEFINED;
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_tf_task_release_export(_tf_task_get_stub(task, record->_task), record->_export);
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for (import_record_t** it = &import->_owner->_imports;
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*it;
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it = &(*it)->_next)
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{
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if (*it == import)
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{
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*it = import->_next;
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import->_owner->_import_count--;
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_tf_task_trace_imports(import->_owner);
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import->_next = NULL;
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break;
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}
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}
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int index = import - task->_imports;
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memmove(import, import + 1, sizeof(import_record_t*) * (task->_import_count - index - 1));
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task->_import_count--;
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_tf_task_trace_imports(task);
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free(import);
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free(record);
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}
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static void _import_record_release_for_task(tf_task_t* task, taskid_t task_id)
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{
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bool any = false;
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import_record_t** next = NULL;
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for (import_record_t** it = &task->_imports;
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*it;
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it = next)
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for (int i = 0; i < task->_import_count; i++)
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{
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next = &(*it)->_next;
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if ((*it)->_task == task_id)
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if (task->_imports[i]->_task == task_id)
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{
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import_record_t* import = *it;
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_import_record_release(import);
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next = it;
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_import_record_release(&task->_imports[i]);
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any = true;
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--i;
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}
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}
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@ -644,12 +665,34 @@ static JSValue _tf_task_getFile(JSContext* context, JSValueConst this_val, int a
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return result;
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}
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const char* _tf_task_get_message_type(tf_task_message_t type)
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{
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switch (type)
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{
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case kResolvePromise: return "kResolvePromise";
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case kRejectPromise: return "kRejectPromise";
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case kInvokeExport: return "kInvokeExport";
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case kReleaseExport: return "kReleaseExport";
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case kReleaseImport: return "kReleaseImport";
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case kSetRequires: return "kSetRequires";
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case kActivate: return "kActivate";
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case kExecute: return "kExecute";
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case kKill: return "kKill";
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case kSetImports: return "kSetImports";
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case kGetExports: return "kGetExports";
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case kLoadFile: return "kLoadFile";
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case kTaskError: return "kTaskError";
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case kTaskTrace: return "kTaskTrace";
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}
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return "unknown";
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}
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void tf_task_on_receive_packet(int packetType, const char* begin, size_t length, void* userData)
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{
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tf_taskstub_t* stub = userData;
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tf_taskstub_t* from = stub;
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tf_task_t* to = tf_taskstub_get_owner(stub);
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tf_trace_begin(to->_trace, "tf_task_on_receive_packet");
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tf_trace_begin(to->_trace, _tf_task_get_message_type(packetType));
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switch (packetType)
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{
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@ -721,13 +764,10 @@ void tf_task_on_receive_packet(int packetType, const char* begin, size_t length,
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assert(length == sizeof(exportid_t));
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exportid_t exportId;
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memcpy(&exportId, begin, sizeof(exportId));
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for (import_record_t* it = to->_imports; it; it = it->_next)
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import_record_t** it = _tf_task_find_import(to, tf_taskstub_get_id(from), exportId);
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if (it)
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{
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if (it->_task == tf_taskstub_get_id(from) && it->_export == exportId)
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{
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_import_record_release(it);
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break;
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}
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_import_record_release(it);
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}
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}
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break;
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@ -1091,7 +1131,10 @@ promiseid_t tf_task_allocate_promise(tf_task_t* task)
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promise.values[0] = JS_NewPromiseCapability(task->_context, &promise.values[1]);
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int index = _insert_index((void*)(intptr_t)promiseId, task->_promises, task->_promise_count, sizeof(promise_t), _promise_compare);
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task->_promises = realloc(task->_promises, sizeof(promise_t) * (task->_promise_count + 1));
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memmove(task->_promises + index, task->_promises + index + 1, sizeof(promise_t) * (task->_promise_count - index));
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if (task->_promise_count - index)
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{
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memmove(task->_promises + index + 1, task->_promises + index, sizeof(promise_t) * (task->_promise_count - index));
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}
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task->_promises[index] = promise;
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task->_promise_count++;
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_tf_task_trace_promises(task);
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@ -1187,7 +1230,11 @@ void tf_task_remove_child(tf_task_t* task, tf_taskstub_t* child)
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static void _import_finalizer(JSRuntime* runtime, JSValue value)
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{
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import_record_t* import = JS_GetOpaque(value, _import_class_id);
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_import_record_release(import);
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if (import)
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{
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import_record_t** it = _tf_task_find_import(import->_owner, import->_task, import->_export);
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_import_record_release(it);
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}
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}
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static void _import_mark_func(JSRuntime* runtime, JSValueConst value, JS_MarkFunc mark_func)
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@ -1346,15 +1393,14 @@ JSContext* tf_task_get_context(tf_task_t* task)
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void tf_task_destroy(tf_task_t* task)
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{
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import_record_t* it = task->_imports;
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while (it)
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for (int i = 0; i < task->_import_count; i++)
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{
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import_record_t* next = it->_next;
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JS_FreeValue(task->_context, it->_function);
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free(it);
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it = next;
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JS_FreeValue(task->_context, task->_imports[i]->_function);
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free(task->_imports[i]);
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}
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free(task->_imports);
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task->_imports = NULL;
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task->_import_count = 0;
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while (task->_exports)
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{
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@ -1429,10 +1475,15 @@ JSValue tf_task_add_import(tf_task_t* task, taskid_t stub_id, exportid_t export_
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._owner = task,
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._task = stub_id,
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._useCount = 1,
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._next = task->_imports,
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};
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task->_imports = import;
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int index = _insert_index(import, task->_imports, task->_import_count, sizeof(import_record_t*), _import_compare);
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task->_imports = realloc(task->_imports, sizeof(import_record_t*) * (task->_import_count + 1));
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if (task->_import_count - index)
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{
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memmove(task->_imports + index + 1, task->_imports + index, sizeof(import_record_t*) * (task->_import_count - index));
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}
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task->_imports[index] = import;
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task->_import_count++;
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_tf_task_trace_imports(task);
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return function;
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