Penguin

INIT_MODULE

INIT_MODULE

NAME SYNOPSIS DESCRIPTION RETURN VALUE ERRORS SEE ALSO


NAME

init_module - initialize a loadable module entry

SYNOPSIS

#include name, struct module *image);

DESCRIPTION

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;

  1. ifdef alpha

unsigned long gp;

  1. 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.

RETURN VALUE

On success, zero is returned. On error, -1 is returned and errno is set appropriately.

ERRORS

EPERM

The user is not the superuser.

ENOENT

No module by that name exists.

EINVAL

Some image slot filled in incorrectly, image- does not correspond to the original module name, some image- entry does not correspond to a loaded module, or some other similar inconsistency.

EBUSY

The module's initialization routine failed.

EFAULT

name or image is outside the program's accessible address space.

SEE ALSO

create_module(2), __delete_module__(2)?, query_module(2).


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