Check safe procedure for banker's algorithm

gistfile1.cpp

bool process_manager::check_safe(int* _avail, int** _alloc, int** _max) {
    int i, j; //loop counters
	int* work = new int[num_resources];
	bool* finish = new bool[num_processes];
	
	//set finish[i] to false
	for(i = 0; i < num_processes; i++) {
		finish[i] = false;
	}
	
	//set work = available
	for(i = 0; i < num_resources; i++) {
		work[i] = _avail[i];
	}
	
	//for each process, check if they are able to request the maximum amount of needed resources
	for(i = 0; i < num_processes; i++) {
		//Don't need to bother check if the program isn't running
		if(running[i] == false) {
			finish[i] = true;
			continue;
		}
		
		for(j = 0; j < num_resources; j++) {
			if(finish[i] == false && _max[i][j] <= work[j]) {
				work[j] += _alloc[i][j];
				finish[i] = true;
			}
		}
	}
	
	//if finish[i] == true for all i, system is safe, return true.
	for(i = 0; i < num_processes; i++) {
		if(finish[i] == false) {
			cout << "System is not safe, this process must wait! " << endl;
			delete work;
			delete finish;
			return false;
		}
	}
	
	delete work;
	delete finish;
	return true;
}