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/*
* linux/fs/proc/kmsg.c
*
* Copyright (C) 1992 by Linus Torvalds
*
*/
#include <linux/types.h>
#include <linux/errno.h>
#include <linux/sched.h>
#include <linux/kernel.h>
#include <linux/poll.h>
#include <asm/uaccess.h>
#include <asm/io.h>
extern wait_queue_head_t log_wait;
extern int do_syslog(int type, char * 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 * buf,
size_t count, loff_t *ppos)
{
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, 0, 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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