I'll suggest also including linux/kernel.h... please note that defining
MODULE at command line is non necessary if you define MODULE inside the
code... however from kernelnewbies.org site there is a good example
about /proc entries...
Ciao ciao
sp0nge
> Please use
> gcc -c -D__KERNEL__ -DMODULE -I /usr/src/linux-XXX/include something.c
>
> And try to then resolve compilation errors by including necessary
> files.
>
> Peyush
> -----Original Message-----
> From: kernelnewbies-bounce@xxxxxxxxxxxx on behalf of sounak
> chakraborty
> Sent: Wed 3/2/2005 8:11 PM
> To: kernelnewbies@xxxxxxxxxxxx
> Cc:
> Subject: compilation problem in module
>
> the code of the module that i written is as follows:
> #define MODULE
> #include <linux/module.h>
> #include <linux/proc_fs.h>
> #define MODULE_NAME "manti"
> struct manti
> {
> char mm[20];
> };
> static struct proc_dir_entry *example_dir;
> struct manti m1;
> int init_module(void)
> {
> example_dir=proc_mkdir(MODULE_NAME,NULL);
> if(example_dir==NULL)
> {
> printk("<1> error in creation of proc file\n");
> }
> else
> printk("<1>success in creation of proc dir\n");
> }
> void cleanup_module(void)
> {
> remove_proc_entry(MODULE_NAME,NULL);
> printk("<1>proc entry removed\n");
> }
>
> here iam just making one directory in the proc file named manti
> i am trying to compile it like
> gcc -c proc.c
> where the kernel version is 2.4.20-8
>
> but i am getting following errors
>
> In file included from proc.c:5:
> /usr/include/linux/proc_fs.h:47: parse error before "off_t"
> /usr/include/linux/proc_fs.h:51: parse error before "off_t"
> /usr/include/linux/proc_fs.h:57: parse error before "mode_t"
> /usr/include/linux/proc_fs.h:59: parse error before "uid"
> /usr/include/linux/proc_fs.h:60: parse error before "gid"
> /usr/include/linux/proc_fs.h:70: parse error before "count"
> /usr/include/linux/proc_fs.h:72: parse error before "rdev"
> /usr/include/linux/proc_fs.h:176: parse error before "mode_t"
> /usr/include/linux/proc_fs.h: In function `proc_net_create':
> /usr/include/linux/proc_fs.h:177: `NULL' undeclared (first use in this
> function)
> /usr/include/linux/proc_fs.h:177: (Each undeclared identifier is
> reported only once
> /usr/include/linux/proc_fs.h:177: for each function it appears in.)
> /usr/include/linux/proc_fs.h: At top level:
> /usr/include/linux/proc_fs.h:181: parse error before "mode_t"
> /usr/include/linux/proc_fs.h: In function `create_proc_entry':
> /usr/include/linux/proc_fs.h:181: `NULL' undeclared (first use in this
> function)
> /usr/include/linux/proc_fs.h: In function `proc_symlink':
> /usr/include/linux/proc_fs.h:185: `NULL' undeclared (first use in this
> function)
> /usr/include/linux/proc_fs.h: At top level:
> /usr/include/linux/proc_fs.h:186: parse error before "mode_t"
> /usr/include/linux/proc_fs.h: In function `proc_mknod':
> /usr/include/linux/proc_fs.h:187: `NULL' undeclared (first use in this
> function)
> /usr/include/linux/proc_fs.h: In function `proc_mkdir':
> /usr/include/linux/proc_fs.h:189: `NULL' undeclared (first use in this
> function)
> /usr/include/linux/proc_fs.h: At top level:
> /usr/include/linux/proc_fs.h:192: parse error before "mode_t"
> /usr/include/linux/proc_fs.h:193: parse error before "off_t"
> /usr/include/linux/proc_fs.h:193: `create_proc_read_entry' declared as
> function returning a function
> /usr/include/linux/proc_fs.h:196: parse error before "mode_t"
> /usr/include/linux/proc_fs.h: In function `create_proc_info_entry':
> /usr/include/linux/proc_fs.h:197: `NULL' undeclared (first use in this
> function)
> /usr/include/linux/proc_fs.h: At top level:
> /usr/include/linux/proc_fs.h:203: `NULL' used prior to declaration
> proc.c: In function `init_module':
> proc.c:16: `NULL' has an incomplete type
> proc.c:17: invalid operands to binary ==
> proc.c: In function `cleanup_module':
> proc.c:26: `NULL' has an incomplete type
>
>
>
> how to solve it
> plz help me
> is my compilation method is wrong or something else
>
> thanks
> sounak
>
>
>
>
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