Moniteurs, Java, Threads et Processus - Montefiore

public Object take()
{ Object data;
}
}
mutex.semWait()
if (count == 0) {
if (urcount > 0) notempty.qWait(urgent);
else notempty.qWait(mutex);
}
data = buffer[out];
out = (out + 1) % N;
count--;
urcount++;
nofull.qSignal(urgent);
urcount--;
if (urcount > 0) urgent.semSignal();
else mutex.semSignal();
return data;
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