Messages in this thread |  | | From | "Anthony Chee" <> | Subject | Re: read proc entry | Date | Sat, 13 Apr 2002 22:07:48 +0800 |
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After I added *eof =1, that message appears two times. How can I reduce it only one?
----- Original Message ----- From: "Peter Wächtler" <pwaechtler@loewe-komp.de> To: "Anthony Chee" <anthony.chee@polyu.edu.hk> Cc: <linux-kernel@vger.kernel.org> Sent: Saturday, April 13, 2002 9:58 PM Subject: Re: read proc entry
> Anthony Chee wrote: > > > > I written the following code in a module > > > > static struct proc_dir_entry *test_proc; > > test_proc = create_proc_read_entry(test_proc, 0444, NULL, read_test_proc, > > NULL); > > > > void show_kernel_message() { > > printk("\nkernel test\n"); > > } > > > > int read_test_info(char* page, char** start, off_t off, int count, int* eof, > > void* data) { > > show_kernel_message(); > > I think you have to signal EOF > > *eof=1; > > > } > > > > After I use "cat /proc/test_proc", it is found that there are three "kernel > > test" messages > > appear. Why it happened like this? I expected the message should be shown > > once. > > >
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