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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 <asm/segment.h>
- #include <asm/io.h>
-
- extern unsigned long log_size;
- extern struct wait_queue * log_wait;
-
- asmlinkage int sys_syslog(int type, char * bug, int count);
-
- static int kmsg_open(struct inode * inode, struct file * file)
- {
- return sys_syslog(1,NULL,0);
- }
-
- static void kmsg_release(struct inode * inode, struct file * file)
- {
- (void) sys_syslog(0,NULL,0);
- }
-
- static int kmsg_read(struct inode * inode, struct file * file,char * buf, int count)
- {
- return sys_syslog(2,buf,count);
- }
-
- static int kmsg_select(struct inode *inode, struct file *file, int sel_type, select_table * wait)
- {
- if (sel_type != SEL_IN)
- return 0;
- if (log_size)
- return 1;
- select_wait(&log_wait, wait);
- return 0;
- }
-
-
- static struct file_operations proc_kmsg_operations = {
- NULL, /* kmsg_lseek */
- kmsg_read,
- NULL, /* kmsg_write */
- NULL, /* kmsg_readdir */
- kmsg_select, /* kmsg_select */
- NULL, /* kmsg_ioctl */
- NULL, /* mmap */
- kmsg_open,
- kmsg_release,
- NULL /* can't fsync */
- };
-
- struct inode_operations proc_kmsg_inode_operations = {
- &proc_kmsg_operations, /* default base directory file-ops */
- NULL, /* create */
- NULL, /* lookup */
- NULL, /* link */
- NULL, /* unlink */
- NULL, /* symlink */
- NULL, /* mkdir */
- NULL, /* rmdir */
- NULL, /* mknod */
- NULL, /* rename */
- NULL, /* readlink */
- NULL, /* follow_link */
- NULL, /* bmap */
- NULL, /* truncate */
- NULL /* permission */
- };
-