41 lines
934 B
C
41 lines
934 B
C
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#include <stdio.h>
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#include <pthread.h>
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#include <stdlib.h>
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void *thread_task(void *data)
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{
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int *arr = (int *)data;
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int total = 0;
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for (int i = arr[0]; i <= arr[1]; i++)
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{
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total += i;
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}
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int *result = malloc(sizeof(int));
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*result = total;
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return result;
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}
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int main()
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{
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pthread_t tid;
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int arr[2] = {1, 100};
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if (pthread_create(&tid, NULL, thread_task, arr) != 0)
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{
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perror("pthread_create");
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return 1;
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}
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int *task_result;
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// pthread_join函数等待子线程执行完毕，并将子线程的返回值存储在task_result指针中。注意，这里需要将task_result的类型为int*的指针的地址传递给pthread_join函数。
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if (pthread_join(tid, (void **)&task_result) != 0)
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{
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perror("pthread_join");
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return 1;
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}
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printf("线程返回的结果是: %d\n", *task_result);
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free(task_result);
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return 0;
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}
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