1 /*
2 * linux/fs/proc/kmsg.c
3 *
4 * Copyright (C) 1992 by Linus Torvalds
5 *
6 */
7
8 #include <linux/types.h>
9 #include <linux/errno.h>
10 #include <linux/sched.h>
11 #include <linux/kernel.h>
12 #include <linux/poll.h>
13
14 #include <asm/uaccess.h>
15 #include <asm/io.h>
16
17 extern unsigned long log_size;
18 extern wait_queue_head_t log_wait;
19
20 extern int do_syslog(int type, char * bug, int count);
21
22 static int kmsg_open(struct inode * inode, struct file * file)
23 {
24 return do_syslog(1,NULL,0);
25 }
26
27 static int kmsg_release(struct inode * inode, struct file * file)
28 {
29 (void) do_syslog(0,NULL,0);
30 return 0;
31 }
32
33 static ssize_t kmsg_read(struct file * file, char * buf,
34 size_t count, loff_t *ppos)
35 {
36 return do_syslog(2,buf,count);
37 }
38
39 static unsigned int kmsg_poll(struct file *file, poll_table * wait)
40 {
41 poll_wait(file, &log_wait, wait);
42 if (log_size)
43 return POLLIN | POLLRDNORM;
44 return 0;
45 }
46
47
48 struct file_operations proc_kmsg_operations = {
49 read: kmsg_read,
50 poll: kmsg_poll,
51 open: kmsg_open,
52 release: kmsg_release,
53 };
54
This page was automatically generated by the
LXR engine.
Visit the LXR main site for more
information.