/**
* Start the race.
*/
void
RelayRace::run(void) {
trace::Call *call;
call = parser.parse_call();
if (!call) {
/* Nothing to do */
return;
}
/* If the user wants to loop we need to get a bookmark target. We
* usually get this after replaying a call that ends a frame, but
* for a trace that has only one frame we need to get it at the
* beginning. */
if (loopOnFinish) {
parser.getBookmark(lastFrameStart);
}
RelayRunner *foreRunner = getForeRunner();
if (call->thread_id == 0) {
/* We are the forerunner thread, so no need to pass baton */
foreRunner->baton = call;
} else {
passBaton(call);
}
/* Start the forerunner thread */
foreRunner->runRace();
}
/**
* Called by the fore runner after finish line to stop all other runners.
*/
void
RelayRace::stopRunners(void) {
std::vector<RelayRunner*>::const_iterator it;
for (it = runners.begin() + 1; it != runners.end(); ++it) {
RelayRunner* runner = *it;
if (runner) {
runner->finishRace();
}
}
}
/**
* Start the race.
*/
void
RelayRace::run(void) {
trace::Call *call;
call = parser->parse_call();
if (!call) {
/* Nothing to do */
return;
}
RelayRunner *foreRunner = getForeRunner();
if (call->thread_id == 0) {
/* We are the forerunner thread, so no need to pass baton */
foreRunner->baton = call;
} else {
passBaton(call);
}
/* Start the forerunner thread */
foreRunner->runRace();
}
/**
* Called when a runner other than the forerunner reaches the finish line.
*
* Only the fore runner can finish the race, so inform him that the race is
* finished.
*/
void
RelayRace::finishLine(void) {
RelayRunner *foreRunner = getForeRunner();
foreRunner->finishRace();
}
/**
* Pass the baton (i.e., the call) to the appropriate thread.
*/
void
RelayRace::passBaton(trace::Call *call) {
if (0) std::cerr << "switching to thread " << call->thread_id << "\n";
RelayRunner *runner = getRunner(call->thread_id);
runner->receiveBaton(call);
}