Python-多线程:分段错误

// 示例C扩展中的内存管理
void* my_alloc(size_t size) {
    return malloc(size);
}

void my_free(void* ptr) {
    free(ptr);
}

import threading

lock = threading.Lock()
shared_data = 0

def thread_task():
    global shared_data
    with lock:
        shared_data += 1

threads = [threading.Thread(target=thread_task) for _ in range(10)]
for thread in threads:
    thread.start()
for thread in threads:
    thread.join()

print(shared_data)  # 输出应为10

import threading

class Counter:
    def __init__(self):
        self.value = 0
        self.lock = threading.Lock()

    def increment(self):
        with self.lock:
            self.value += 1

def worker(counter):
    for _ in range(100000):
        counter.increment()

counter = Counter()
threads = [threading.Thread(target=worker, args=(counter,)) for _ in range(10)]

for thread in threads:
    thread.start()
for thread in threads:
    thread.join()

print(counter.value)  # 输出应为1000000