linux 线程终止

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

void* thread_function(void* arg) {
    int* result = malloc(sizeof(int));
    if (result == NULL) {
        perror("Failed to allocate memory");
        pthread_exit(NULL);
    }
    *result = 42;
    pthread_exit(result);
}

int main() {
    pthread_t thread;
    void* thread_result;

    if (pthread_create(&thread, NULL, thread_function, NULL) != 0) {
        perror("Thread creation failed");
        return 1;
    }

    if (pthread_join(thread, &thread_result) != 0) {
        perror("Thread join failed");
        return 1;
    }

    int* result = (int*)thread_result;
    printf("Thread result: %d\n", *result);
    free(result);

    return 0;
}