141     while (worker->status_ == OK) {   // wait in idling mode  in WebPWorkerThreadLoop()
144     if (worker->status_ == WORK) {  in WebPWorkerThreadLoop()
148       worker->status_ = OK;  in WebPWorkerThreadLoop()
149     } else if (worker->status_ == NOT_OK) {   // finish the worker  in WebPWorkerThreadLoop()
163   if (worker->status_ < OK) return;  in WebPWorkerChangeState()
167   while (worker->status_ != OK) {  in WebPWorkerChangeState()
172     worker->status_ = new_status;  in WebPWorkerChangeState()
184   worker->status_ = NOT_OK;  in WebPWorkerInit()
191   assert(worker->status_ <= OK);  in WebPWorkerSync()
198   if (worker->status_ < OK) {  in WebPWorkerReset()
206     if (ok) worker->status_ = OK;  in WebPWorkerReset()
209     worker->status_ = OK;  in WebPWorkerReset()
211   } else if (worker->status_ > OK) {  in WebPWorkerReset()
214   assert(!ok || (worker->status_ == OK));  in WebPWorkerReset()
228   if (worker->status_ >= OK) {  in WebPWorkerEnd()
235     worker->status_ = NOT_OK;  in WebPWorkerEnd()
238   assert(worker->status_ == NOT_OK);  in WebPWorkerEnd()