静态和动态pthread互斥初始化

#include <pthread.h>
#include <stdio.h>

pthread_mutex_t static_mutex = PTHREAD_MUTEX_INITIALIZER;

void* thread_func(void* arg) {
    pthread_mutex_lock(&static_mutex);
    // 访问共享资源
    pthread_mutex_unlock(&static_mutex);
    return NULL;
}

int main() {
    pthread_t thread;
    pthread_create(&thread, NULL, thread_func, NULL);
    pthread_join(thread, NULL);
    pthread_mutex_destroy(&static_mutex);
    return 0;
}

#include <pthread.h>
#include <stdio.h>

void* thread_func(void* arg) {
    pthread_mutex_t* mutex = (pthread_mutex_t*)arg;
    pthread_mutex_lock(mutex);
    // 访问共享资源
    pthread_mutex_unlock(mutex);
    return NULL;
}

int main() {
    pthread_mutex_t dynamic_mutex;
    pthread_mutex_init(&dynamic_mutex, NULL);
    pthread_t thread;
    pthread_create(&thread, NULL, thread_func, &dynamic_mutex);
    pthread_join(thread, NULL);
    pthread_mutex_destroy(&dynamic_mutex);
    return 0;
}