man2/create_module.2

   1 .\" Copyright (C) 1996 Free Software Foundation, Inc.
   2 .\" This file is distributed according to the GNU General Public License.
   3 .\" See the file COPYING in the top level source directory for details.
   4 .\"
   5 .\" 2006-02-09, some reformatting by Luc Van Oostenryck; some
   6 .\" reformatting and rewordings by mtk
   7 .\"
   8 .TH CREATE_MODULE 2 "2002" Linux "Linux Module Support"
   9 .SH NAME
  10 create_module \- create a loadable module entry
  11 .SH SYNOPSIS
  12 .nf
  13 .B #include <linux/module.h>
  14 .sp
  15 .BI "caddr_t create_module(const char *" name ", size_t " size );
  16 .fi
  17 .SH DESCRIPTION
  18 .BR create_module ()
  19 attempts to create a loadable module entry and reserve the kernel memory
  20 that will be needed to hold the module.
  21 This system call requires privilege.
  22 .SH "RETURN VALUE"
  23 On success, returns the kernel address at which the module will reside.
  24 On error \-1 is returned and
  25 .I errno
  26 is set appropriately.
  27 .SH ERRORS
  28 .TP
  29 .B EEXIST
  30 A module by that name already exists.
  31 .TP
  32 .B EFAULT
  33 .I name
  34 is outside the program's accessible address space.
  35 .TP
  36 .B EINVAL
  37 The requested size is too small even for the module header information.
  38 .TP
  39 .B ENOMEM
  40 The kernel could not allocate a contiguous block of memory large
  41 enough for the module.
  42 .TP
  43 .B EPERM
  44 The caller was not privileged
  45 (did not have the
  46 .B CAP_SYS_MODULE
  47 capability).
  48 .SH "CONFORMING TO"
  49 .BR create_module ()
  50 is Linux specific.
  51 .SH NOTES
  52 This system call is only present on Linux up until kernel 2.4;
  53 it was removed in Linux 2.6.
  54 .\" Removed in Linux-2.5.48
  55 .SH "SEE ALSO"
  56 .BR init_module (2),
  57 .BR delete_module (2),
  58 .BR query_module (2)