C语言多线程目录操作

#include

#include

#include

#include

#include

#define NUM 2

void thread(void arg)

{

int i;

DIR dir = NULL;

struct dirent ptr = (struct dirent )calloc(1, sizeof(struct dirent));

struct dirent *result = NULL;

for (i=0;i<1;i++) {

    printf ("in thread:%dn", (int)arg);

    dir = opendir("/root/tmp");

    if (!dir) {

        printf("opendir failedn");

    }

    while ((readdir_r(dir, ptr, &result)==0) && (result != NULL)) {

        printf("name:%s  ", result->d_name);

    }

    printf ("n");

    closedir(dir);

    sleep (1);

}

}

int main(void)

{

pthread_t id[NUM];

int i,ret;

for (i=0;i

    ret = pthread_create(&id[i], NULL, (void *)thread, (void *)i);

    if (ret) {

        printf("create pthread errorn");

        return 1;

    }

}

for (i=0;i

    pthread_detach(id[i]);

}

while (1);

return 0;

}

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