void stringIdGetMemoryTracking(
uint64 & retSidCount,
uint64 & retStaticSidCount,
uint64 & retSidBytes )
{
retSidCount = atomicRead( &totalStringIds_ );
retStaticSidCount = atomicRead( &totalStaticStringIds_ );
retSidBytes = atomicRead( &totalStringBytes_ );
}
void workerThread (State *s) {
taskID work;
watchList *tasksToNotify, next;
bool canQueue;
do {
task = getWork(dispatch);
/* Do stuff */
atomicWrite(status[work] = INPROGRESS);
doStuff(work);
atomicWrite(status[work] = DONE); /* NOTE : Race condition */
tasksToNotify = getWatches(work);
while (tasksToNotify != NULL) {
next = tasksToNotify->tail;
canQueue = TRUE;
foreach (dep in dep[tasksToNotify->id]) { /* OPT : Watch ordering */
if (atomicRead(status[dep]) != DONE) {
/* NOTE : Race condition */
if (moveWatch(watch[dep],tasksToNotify)) {
canQueue = FALSE;
break;
} else {
/* Have hit the race condition, try the next option */
assert(atomicRead(status[dep]) == DONE);
}
}
}
if (canQueue) { /* OPT : Save one work item */
addWork(*dispatch,tasksToNotify->id);
deleteWatch(tasksToNotify);
}
tasksToNotify = next;
}
} while (1); /* NOTE : some kind of control for thread exit needed */
return;
}
int moveWatch (watchList **w, watchList *t) {
watchList *local;
t->tail = NULL;
do {
local = atomicRead(*w);
if (local == doNotAdd) {
return 0;
} else {
t->tail = local;
}
} while (!atomicCAS(*w,local,t)); /* OPT : Delay loop */
return 1;
}
