/** 系统事件处理线程 */
static void SystemEventThread(void *arg)
{
System.event.is_running = TRUE;
while( System.event.is_running ) {
DEBUG_MSG("waiting event...\n");
LCUICond_Wait( &System.event.cond );
DEBUG_MSG("get event.\n");
LCUIEventBox_Dispatch( System.event.box );
}
}
static void LCUIWorker_Thread( void *arg )
{
LCUI_Worker worker = arg;
while( worker->active ) {
if( LCUIWorker_RunTask( worker ) ) {
continue;
}
if( worker->active ) {
LCUICond_Wait( &worker->cond, &worker->mutex );
}
}
LCUIThread_Exit( NULL );
}
void FrameControl_Remain( FrameControl ctx )
{
int64_t current_time;
unsigned int n_ms, lost_ms;
if( ctx->state == STATE_QUIT ) {
return;
}
lost_ms = 0;
current_time = LCUI_GetTime();
LCUIMutex_Lock( &ctx->mutex );
n_ms = (unsigned int)(current_time - ctx->prev_frame_start_time);
if( n_ms > ctx->one_frame_remain_time ) {
goto normal_exit;
}
n_ms = ctx->one_frame_remain_time - n_ms;
if( n_ms < 1 ) {
goto normal_exit;
}
/* 睡眠一段时间 */
while( lost_ms < n_ms && ctx->state == STATE_RUN ) {
LCUICond_TimedWait( &ctx->cond, &ctx->mutex, n_ms - lost_ms );
lost_ms = (unsigned int)LCUI_GetTimeDelta( current_time );
}
/* 睡眠结束后，如果当前状态为 PAUSE，则说明睡眠是因为要暂停而终止的 */
if( ctx->state == STATE_PAUSE ) {
current_time = LCUI_GetTime();
/* 等待状态改为“继续” */
while( ctx->state == STATE_PAUSE ) {
LCUICond_Wait( &ctx->cond, &ctx->mutex );
}
lost_ms = (unsigned int)LCUI_GetTimeDelta( current_time );
ctx->pause_time = lost_ms;
ctx->prev_frame_start_time += lost_ms;
LCUIMutex_Unlock( &ctx->mutex );
return;
}
normal_exit:;
current_time = LCUI_GetTime();
if( current_time - ctx->prev_fps_update_time >= 1000 ) {
ctx->current_fps = ctx->temp_fps;
ctx->prev_fps_update_time = current_time;
ctx->temp_fps = 0;
}
ctx->prev_frame_start_time = current_time;
++ctx->temp_fps;
LCUIMutex_Unlock( &ctx->mutex );
}
/* 销毁程序占用的资源 */
static void LCUIApp_Destroy(void)
{
if( LinkedList_GetTotal(&MainApp.loop_list) > 0 ) {
/* 等待其它线程上的主循环都完全退出 */
LCUICond_Wait( &MainApp.loop_list_empty );
}
/* 开始清理 */
LCUICond_Destroy( &MainApp.loop_list_empty );
LCUICond_Destroy( &MainApp.loop_cond );
LCUIMutex_Destroy( &MainApp.loop_mutex );
LCUIMutex_Destroy( &MainApp.loop_changed );
LCUIMutex_Destroy( &MainApp.task_run_mutex );
LCUIMutex_Destroy( &MainApp.task_list_mutex );
LinkedList_Destroy( &MainApp.loop_list );
}
static void TestWorker_Thread( void *arg )
{
TestWorker worker = arg;
worker->active = TRUE;
worker->data_count = 0;
LCUIMutex_Lock( &worker->mutex );
while( worker->active ) {
TEST_LOG( "waiting...\n" );
LCUICond_Wait( &worker->cond, &worker->mutex );
TEST_LOG( "get data: %s\n", worker->data );
worker->data_count += 1;
}
LCUIMutex_Unlock( &worker->mutex );
TEST_LOG( "count: %lu\n", worker->data_count );
}
/** 让当前帧停留一定时间 */
void FrameControl_Remain( FrameCtrlCtx ctx )
{
unsigned int n_ms, lost_ms;
int64_t current_time;
if( ctx->state == FRAME_CTRL_STATE_QUIT ) {
return;
}
current_time = LCUI_GetTickCount();
n_ms = (int)(current_time - ctx->prev_frame_start_time);
if( n_ms > ctx->one_frame_remain_time ) {
goto normal_exit;
}
n_ms = ctx->one_frame_remain_time - n_ms;
if( n_ms < 1 ) {
goto normal_exit;
}
/* 进行睡眠，直到需要暂停为止 */
LCUICond_TimedWait( &ctx->wait_pause, &ctx->mutex, n_ms );
/* 睡眠结束后，如果当前状态不为PAUSE，则说明睡眠不是因为要暂停而终止的 */
if( ctx->state != FRAME_CTRL_STATE_PAUSE ) {
goto normal_exit;
}
current_time = LCUI_GetTickCount();
/* 需要暂停，进行睡眠，直到需要继续为止 */
LCUICond_Wait( &ctx->wait_continue, &ctx->mutex );
lost_ms = (unsigned int)LCUI_GetTicks( current_time );
ctx->pause_time = lost_ms;
ctx->prev_frame_start_time += lost_ms;
return;
normal_exit:;
current_time = LCUI_GetTickCount();
if( current_time - ctx->prev_fps_update_time >= 1000 ) {
ctx->current_fps = ctx->temp_fps;
ctx->prev_fps_update_time = current_time;
ctx->temp_fps = 0;
}
ctx->prev_frame_start_time = current_time;
++ctx->temp_fps;
}
