GNU/Linux man pages
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GNU/Linux |
CentOS 3.1 |
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init_module(2) |
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init_module − initialize a loadable module entry
#include <linux/module.h>
int init_module(const char *name, struct module *image);
init_module loads the relocated module image into kernel space and runs the module’s init function.
The module image begins with a module structure and is followed by code and data as appropriate. The module structure is defined as follows:
struct module
{
unsigned long size_of_struct;
struct module *next;
const char *name;
unsigned long size;
long usecount;
unsigned long flags;
unsigned int nsyms;
unsigned int ndeps;
struct module_symbol *syms;
struct module_ref *deps;
struct module_ref *refs;
int (*init)(void);
void (*cleanup)(void);
const struct exception_table_entry *ex_table_start;
const struct exception_table_entry *ex_table_end;
#ifdef __alpha__
unsigned long gp;
#endif
};
All of the pointer fields, with the exception of next and refs, are expected to point within the module body and be initialized as appropriate for kernel space, i.e. relocated with the rest of the module.
This system call is only open to the superuser.
On success, zero is returned. On error, −1 is returned and errno is set appropriately.
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EPERM |
The user is not the superuser. | ||
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ENOENT |
No module by that name exists. | ||
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EINVAL |
Some image slot filled in incorrectly, image->name does not correspond to the original module name, some image->deps entry does not correspond to a loaded module, or some other similar inconsistency. | ||
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EBUSY |
The module’s initialization routine failed. | ||
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EFAULT |
name or image is outside the program’s accessible address space. |
create_module(2), delete_module(2), query_module(2).
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init_module(2) | |