Revision cd52d1ee9a92587b242d946a2300a3245d3b885a authored by Linus Torvalds on 12 November 2005, 01:43:36 UTC, committed by Linus Torvalds on 12 November 2005, 01:43:36 UTC
As per the new release rules: two weeks of merging, and then an -rc1 and calming down for the next release.
1 parent 508862e
kmsg.c
/*
* linux/fs/proc/kmsg.c
*
* Copyright (C) 1992 by Linus Torvalds
*
*/
#include <linux/types.h>
#include <linux/errno.h>
#include <linux/time.h>
#include <linux/kernel.h>
#include <linux/poll.h>
#include <linux/fs.h>
#include <asm/uaccess.h>
#include <asm/io.h>
extern wait_queue_head_t log_wait;
extern int do_syslog(int type, char __user *bug, int count);
static int kmsg_open(struct inode * inode, struct file * file)
{
return do_syslog(1,NULL,0);
}
static int kmsg_release(struct inode * inode, struct file * file)
{
(void) do_syslog(0,NULL,0);
return 0;
}
static ssize_t kmsg_read(struct file *file, char __user *buf,
size_t count, loff_t *ppos)
{
if ((file->f_flags & O_NONBLOCK) && !do_syslog(9, NULL, 0))
return -EAGAIN;
return do_syslog(2, buf, count);
}
static unsigned int kmsg_poll(struct file *file, poll_table *wait)
{
poll_wait(file, &log_wait, wait);
if (do_syslog(9, NULL, 0))
return POLLIN | POLLRDNORM;
return 0;
}
struct file_operations proc_kmsg_operations = {
.read = kmsg_read,
.poll = kmsg_poll,
.open = kmsg_open,
.release = kmsg_release,
};
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