#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <dirent.h>
pthread_mutex_t mut1 = PTHREAD_MUTEX_INITIALIZER,
mut2 = PTHREAD_MUTEX_INITIALIZER,
mut3 = PTHREAD_MUTEX_INITIALIZER,
mut4 = PTHREAD_MUTEX_INITIALIZER;
char *buff1, *buff2, *buff3, *buff4;
void *stage1(void *arg)
{
DIR *dir = (DIR*)arg
struct dirent *ent;
if (dir != NULL)
{
while ((ent = readdir (dir)) != NULL)
{
printf ("%s\n", ent->d_name);
}
closedir (dir);
} else
{
printf("FAILURE");
}
}
int main(int argc, char *argv[])
{
if(argc != 6)
{
printf("Usage: %s <buffsize> <filesize> <uid> <gid> <string>\n", argv[0]);
return(-1);
}
int buffsize, filesize, uid, gid;
sscanf(argv[1],"%d",&buffsize);
sscanf(argv[2],"%d",&filesize);
sscanf(argv[3],"%d",&uid);
sscanf(argv[4],"%d",&gid);
char *string = argv[5];
buff1 = malloc(buffsize * sizeof(*buff1));
buff2 = malloc(buffsize * sizeof(*buff2));
buff3 = malloc(buffsize * sizeof(*buff3));
buff4 = malloc(buffsize * sizeof(*buff4));
pthread_t th1,th2,th3,th4,th5;
DIR *dir = opendir(".");
pthread_create(&th1,NULL,stage1,dir);
if(filesize != -1) pthread_create(&th2,NULL,stage2,buff2);
return 0;
}
这似乎在调试器中工作正常,但是当我运行它时,终端上没有显示任何内容。我将把 stage1 方法中的 printf 行替换为:
buff1[i] = ent;
i++;
我将添加更多代码以确保我始终指向正确的位置,但这就是我现在正在使用的。我希望它打印文件,所以我知道它可以工作。