mirror of
https://github.com/torvalds/linux.git
synced 2024-12-27 13:22:23 +00:00
7c0f6ba682
This was entirely automated, using the script by Al:
PATT='^[[:blank:]]*#[[:blank:]]*include[[:blank:]]*<asm/uaccess.h>'
sed -i -e "s!$PATT!#include <linux/uaccess.h>!" \
$(git grep -l "$PATT"|grep -v ^include/linux/uaccess.h)
to do the replacement at the end of the merge window.
Requested-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
65 lines
1.5 KiB
C
65 lines
1.5 KiB
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/proc_fs.h>
|
|
#include <linux/fs.h>
|
|
#include <linux/syslog.h>
|
|
|
|
#include <linux/uaccess.h>
|
|
#include <asm/io.h>
|
|
|
|
extern wait_queue_head_t log_wait;
|
|
|
|
static int kmsg_open(struct inode * inode, struct file * file)
|
|
{
|
|
return do_syslog(SYSLOG_ACTION_OPEN, NULL, 0, SYSLOG_FROM_PROC);
|
|
}
|
|
|
|
static int kmsg_release(struct inode * inode, struct file * file)
|
|
{
|
|
(void) do_syslog(SYSLOG_ACTION_CLOSE, NULL, 0, SYSLOG_FROM_PROC);
|
|
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(SYSLOG_ACTION_SIZE_UNREAD, NULL, 0, SYSLOG_FROM_PROC))
|
|
return -EAGAIN;
|
|
return do_syslog(SYSLOG_ACTION_READ, buf, count, SYSLOG_FROM_PROC);
|
|
}
|
|
|
|
static unsigned int kmsg_poll(struct file *file, poll_table *wait)
|
|
{
|
|
poll_wait(file, &log_wait, wait);
|
|
if (do_syslog(SYSLOG_ACTION_SIZE_UNREAD, NULL, 0, SYSLOG_FROM_PROC))
|
|
return POLLIN | POLLRDNORM;
|
|
return 0;
|
|
}
|
|
|
|
|
|
static const struct file_operations proc_kmsg_operations = {
|
|
.read = kmsg_read,
|
|
.poll = kmsg_poll,
|
|
.open = kmsg_open,
|
|
.release = kmsg_release,
|
|
.llseek = generic_file_llseek,
|
|
};
|
|
|
|
static int __init proc_kmsg_init(void)
|
|
{
|
|
proc_create("kmsg", S_IRUSR, NULL, &proc_kmsg_operations);
|
|
return 0;
|
|
}
|
|
fs_initcall(proc_kmsg_init);
|