anduin / 死锁检测测试

#include <pthread.h> #include <stdio.h> #include <unistd.h> pthread_mutex_t lock_a = PTHREAD_MUTEX_INITIALIZER; pthread_mutex_t lock_b = PTHREAD_MUTEX_INITIALIZER; int shared_data = 0; void* thread_func1(void* arg) { pthread_mutex_lock(&lock_a); printf("Thread 1 acquired lock A\n"); shared_data += 1; // 写入共享数据 sleep(1); pthread_mutex_lock(&lock_b); printf("Thread 1 acquired lock B\n"); shared_data += 1; pthread_mutex_unlock(&lock_b); pthread_mutex_unlock(&lock_a); return NULL; } void* thread_func2(void* arg) { pthread_mutex_lock(&lock_b); printf("Thread 2 acquired lock B\n"); shared_data += 1; sleep(1); pthread_mutex_lock(&lock_a); printf("Thread 2 acquired lock A\n"); shared_data += 1; pthread_mutex_unlock(&lock_a); pthread_mutex_unlock(&lock_b); return NULL; } int main() { pthread_t t1, t2; pthread_create(&t1, NULL, thread_func1, NULL); pthread_create(&t2, NULL, thread_func2, NULL); pthread_join(t1, NULL); pthread_join(t2, NULL); printf("Done.\n"); return 0; }