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[/] [or1k/] [trunk/] [rc203soc/] [sw/] [uClinux/] [fs/] [proc/] [kmsg.c] - Blame information for rev 1765

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Line No. Rev Author Line
1 1628 jcastillo
/*
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 *  linux/fs/proc/kmsg.c
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 *
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 *  Copyright (C) 1992  by Linus Torvalds
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 *
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 */
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#include <linux/types.h>
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#include <linux/errno.h>
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#include <linux/sched.h>
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#include <linux/kernel.h>
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#include <asm/segment.h>
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#include <asm/io.h>
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extern unsigned long log_size;
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extern struct wait_queue * log_wait;
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asmlinkage int sys_syslog(int type, char * bug, int count);
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static int kmsg_open(struct inode * inode, struct file * file)
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{
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        return sys_syslog(1,NULL,0);
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}
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static void kmsg_release(struct inode * inode, struct file * file)
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{
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        (void) sys_syslog(0,NULL,0);
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}
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static int kmsg_read(struct inode * inode, struct file * file,char * buf, int count)
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{
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        return sys_syslog(2,buf,count);
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}
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static int kmsg_select(struct inode *inode, struct file *file, int sel_type, select_table * wait)
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{
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        if (sel_type != SEL_IN)
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                return 0;
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        if (log_size)
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                return 1;
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        select_wait(&log_wait, wait);
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        return 0;
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}
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static struct file_operations proc_kmsg_operations = {
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        NULL,           /* kmsg_lseek */
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        kmsg_read,
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        NULL,           /* kmsg_write */
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        NULL,           /* kmsg_readdir */
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        kmsg_select,    /* kmsg_select */
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        NULL,           /* kmsg_ioctl */
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        NULL,           /* mmap */
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        kmsg_open,
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        kmsg_release,
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        NULL            /* can't fsync */
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};
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struct inode_operations proc_kmsg_inode_operations = {
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        &proc_kmsg_operations,  /* default base directory file-ops */
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        NULL,                   /* create */
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        NULL,                   /* lookup */
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        NULL,                   /* link */
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        NULL,                   /* unlink */
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        NULL,                   /* symlink */
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        NULL,                   /* mkdir */
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        NULL,                   /* rmdir */
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        NULL,                   /* mknod */
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        NULL,                   /* rename */
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        NULL,                   /* readlink */
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        NULL,                   /* follow_link */
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        NULL,                   /* readpage */
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        NULL,                   /* writepage */
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        NULL,                   /* bmap */
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        NULL,                   /* truncate */
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        NULL                    /* permission */
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};

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