ApplicationEventMulticaster UncaughtExceptionHandler

Question

我正在使用Spring的ApplicationEventMulticaster。

如何在收听事件时配置未捕获的错误处理？

    public ApplicationEventMulticaster asyncApplicationEventMulticaster() {
        SimpleApplicationEventMulticaster eventMulticaster = new 
        SimpleApplicationEventMulticaster(); 
        eventMulticaster.setTaskExecutor(getAsyncExecutor());
        return eventMulticaster;
    }

Answer 1

包裹遗嘱执行人：

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

    static pthread_mutex_t mtx = PTHREAD_MUTEX_INITIALIZER;
    static pthread_cond_t cond = PTHREAD_COND_INITIALIZER;

    struct node {
        int n_number;
        struct node *n_next;
    } *head = NULL;

    static void cleanup_handler(void *arg)
    {
        printf("Cleanup handler of second thread\n");
        free(arg);
        pthread_mutex_unlock(&mtx);
    }

    static void *thread_func(void *arg)   // customer
    {
        struct node *p = NULL;
        pthread_cleanup_push(cleanup_handler, p);
        while (1)
        {
        if(
        pthread_mutex_lock(&mtx);
        while (head == NULL || (flag=0)){ pthread_cond_wait(&cond,&mtx);}
        p = head;
        head = head->n_next;
        printf("Got %d from front of queue\n", p->n_number);
        free(p);
        pthread_mutex_unlock(&mtx);
        else
        }

        pthread_exit(NULL);
        pthread_cleanup_pop(0); // must be put in last line 
    }

    int main(void)
    {
        pthread_t tid;
        int i;
        struct node *p;
        pthread_create(&tid, NULL, thread_func, NULL);
        for (i = 0; i < 10; i++)  // producer
        {
        p = (struct node*)malloc(sizeof(struct node));
        p->n_number = i;
        pthread_mutex_lock(&mtx);// because head is share，visit share data must
 be add lock/mutex
        p->n_next = head;
        head = p;
        pthread_cond_signal(&cond);
        pthread_mutex_unlock(&mtx);
        sleep(1);
        }
        printf("thread 1 wanna end the line.So cancel thread 2.\n");
        pthread_cancel(tid);
        pthread_join(tid, NULL);
        printf("All done------exiting\n");
        return 0;
    }



$gcc -o producer_customer_linkedlist producer_customer_linkedlist.c -lpthread
producer_customer_linkedlist.c: In function ‘thread_func’:
producer_customer_linkedlist.c:28:26: error: expected ‘)’ before ‘;’ token
  pthread_mutex_lock(&mtx);
                          ^
producer_customer_linkedlist.c:36:2: error: expected expression before ‘}’ token
  }
  ^