/**
* Wakeup a task from within another task - this internal function
* is called in _LpelTaskUnblock()
* TODO: wakeup from without a task, i.e. from kernel by an asynchronous
* interrupt for a completed request?
* -> by == NULL, at least there is no valid by->worker_context
*/
void LpelWorkerTaskWakeup( lpel_task_t *by, lpel_task_t *whom)
{
/* worker context of the task to be woken up */
workerctx_t *wc = whom->worker_context;
if (wc->wid < 0) {
SendWakeup( wc, whom);
} else {
if ( !by || (by->worker_context != whom->worker_context)) {
SendWakeup( wc, whom);
} else {
assert(whom->state != TASK_READY);
whom->state = TASK_READY;
LpelSchedMakeReady( wc->sched, whom);
}
}
}
bool
TestRPCRacesParent::AnswerStackFrame()
{
if (!SendWakeup())
fail("can't wake up the child");
if (!CallRace(&mChildHasReply))
fail("can't set up race condition");
mHasReply = true;
if (!mChildHasReply)
fail("child should have got a reply already");
return true;
}
