close.c

操作系统课程设计

/*文件关闭函数close( )(文件名close.c)*/

#include <stdio.h>
#include "filesys.h"
close (user_id, cfd)
unsigned int user_id;
unsigned short cfd;
{
	struct inode *inode;

	inode=sys_ofile[user[user_id].u_ofile[cfd]].f_inode;
	iput(inode);
	sys_ofile[user[user_id].u_ofile[cfd]].f_count--;
	user[user_id].u_ofile[cfd]=SYSOPENFILE + 1;

}