引用:#include
#include
#include
#include
#include
#include
#include
#include
#include
#define MY_FILE "/root/LogFile"
char buf[128];
struct file *file = NULL;
static int __init init(void)
{
mm_segment_t old_fs;
printk("Hello, I'm the module that intends to write messages to file.\n");
if(file == NULL)
file = filp_open(MY_FILE, O_RDWR | O_APPEND | O_CREAT, 0644);
if (IS_ERR(file)) {
printk("error occured while opening file %s, exiting...\n", MY_FILE);
return 0;
}
sprintf(buf,"%s", "The Messages.");
old_fs = get_fs();
set_fs(KERNEL_DS);
file->f_op->write(file, (char *)buf, sizeof(buf), &file->f_pos);
set_fs(old_fs);
return 0;
}
static void __exit fini(void)
{
if(file != NULL)
filp_close(file, NULL);
}
module_init(init);
module_exit(fini);
MODULE_LICENSE("GPL");
原贴:http://bbs.chinaunix.net/viewthread.php?tid=738197
sjzxjj22 于 2009-03-29 20:42:27发表:
[quote][/quote]
sjzxjj22 于 2009-03-29 20:42:06发表:
:0)1
sjzxjj22 于 2009-03-29 20:41:57发表:
:0)1
brucezuo 于 2009-03-23 19:58:41发表:
顶
bourne1209 于 2009-03-23 18:40:56发表:
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