arm linux多线程控制

#include <pthread.h>

pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;

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

if (pthread_mutex_trylock(&mutex1) == 0) {
    if (pthread_mutex_trylock(&mutex2) == 0) {
        // 访问共享资源
        pthread_mutex_unlock(&mutex2);
    }
    pthread_mutex_unlock(&mutex1);
}

#include <pthread.h>
#include <stdlib.h>

typedef struct {
    void (*task)(void*);
    void* arg;
} Task;

pthread_t threads[NUM_THREADS];
Task task_queue[MAX_TASKS];
int task_count = 0;

void* worker_thread(void* arg) {
    while (1) {
        if (task_count > 0) {
            Task task = task_queue[--task_count];
            task.task(task.arg);
        }
    }
    return NULL;
}

void add_task(void (*task)(void*), void* arg) {
    task_queue[task_count].task = task;
    task_queue[task_count].arg = arg;
    task_count++;
}