Never separate the check and update of a critical resource without proper locking or atomic operations.
for t in threads: t.join() Vulnerable pseudocode:
threads = [] for _ in range(20): t = threading.Thread(target=attack) t.start() threads.append(t)
Never separate the check and update of a critical resource without proper locking or atomic operations.
for t in threads: t.join() Vulnerable pseudocode:
threads = [] for _ in range(20): t = threading.Thread(target=attack) t.start() threads.append(t)