Read whole solutions from shared memory

This commit is contained in:
Kranklyboy 2018-06-07 12:31:25 +02:00
parent a8d8999fa1
commit 699d1b9ed4

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@ -36,18 +36,24 @@ void initCircBuf()
return; return;
} }
int getItem(sem_t sUsedSpace, sem_t sFreeSpace) void getSolution(sem_t sUsedSpace, sem_t sFreeSpace, int *solution)
{ {
if (shared->head == -1) {
sem_wait(&sUsedSpace); sem_wait(&sUsedSpace);
int value;
value = shared->data[shared->head];
shared->head = (shared->head + 1) % MAX_ITEMS; shared->head = (shared->head + 1) % MAX_ITEMS;
sem_post(&sFreeSpace); sem_post(&sFreeSpace);
} else {
int i = 0;
while (shared->head != -1) {
sem_wait(&sUsedSpace);
solution[i] = shared->head;
shared->head = (shared->head + 1) % MAX_ITEMS;
sem_post(&sFreeSpace);
i++;
}
}
return value; // Code for testing wether new solution is better than old
} }
int main(int argc, char *argv[]) int main(int argc, char *argv[])