Delete 'pipe2_1.c'

master
mse5gj3yn 3 years ago
parent b9964690eb
commit e66c7e42b8

@ -1,55 +0,0 @@
/*
* linux/fs/pipe.c
*
* (C) 1991 Linus Torvalds
*/
#include <signal.h>
#include <linux/sched.h>
#include <linux/mm.h> /* for get_free_page */
#include <asm/segment.h>
int sys_pipe2(unsigned long * fildes,int flag)
{
struct m_inode * inode;
struct file * f[2];
int fd[2];
int i,j;
if(flag==0){
j=0;
for(i=0;j<2 && i<NR_FILE;i++)
if (!file_table[i].f_count)
(f[j++]=i+file_table)->f_count++;
if (j==1)
f[0]->f_count=0;
if (j<2)
return -1;
j=0;
for(i=0;j<2 && i<NR_OPEN;i++)
if (!current->filp[i]) {
current->filp[ fd[j]=i ] = f[j];
j++;
}
if (j==1)
current->filp[fd[0]]=NULL;
if (j<2) {
f[0]->f_count=f[1]->f_count=0;
return -1;
}
if (!(inode=get_pipe_inode())) {
current->filp[fd[0]] =
current->filp[fd[1]] = NULL;
f[0]->f_count = f[1]->f_count = 0;
return -1;
}
f[0]->f_inode = f[1]->f_inode = inode;
f[0]->f_pos = f[1]->f_pos = 0;
f[0]->f_mode = 1; /* read */
f[1]->f_mode = 2; /* write */
put_fs_long(fd[0],0+fildes);
put_fs_long(fd[1],1+fildes);
}
return 0;
}
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