#!/bin/sh
#
# -- Linux kernel 2.4 FD patch
# -- san2@2005.10.20
#
# -- http://vce.ce-lab.net/doc/vce/en/linuxtune.html
#

[ -s linux/include/linux/fs.h ] &&
{
  cp    -f linux/include/linux/fs.h linux/include/linux/fs.h.orig
  sed   -e "s/^#define INR_OPEN[[:space:]]\+[0-9]\+/#define INR_OPEN 8192/" \
	-e "s/^#define NR_FILE[[:space:]]\+[0-9]\+/#define NR_FILE 16384/" \
	< linux/include/linux/fs.h linux/include/linux/fs.h.orig \
	> linux/include/linux/fs.h

  echo
  echo  linux/include/linux/fs.h
  grep  "^#define INR_OPEN\|^#define NR_FILE" < linux/include/linux/fs.h
}

[ -s linux/include/linux/limits.h ] &&
{
  cp    -f linux/include/linux/limits.h  linux/include/linux/limits.h.orig
  sed   -e "s/^#define NR_OPEN[[:space:]]\+[0-9]\+/#define NR_OPEN 16384/" \
	-e "s/^#define OPEN_MAX[[:space:]]\+[0-9]\+/#define OPEN_MAX 8192/" \
	< linux/include/linux/limits.h.orig \
	> linux/include/linux/limits.h

  echo
  echo  linux/include/linux/limits.h
  grep  "^#define NR_OPEN\|^#define OPEN_MAX" < linux/include/linux/limits.h
}

[ -s linux/include/linux/posix_types.h ] &&
{
  cp    -f linux/include/linux/posix_types.h linux/include/linux/posix_types.h.orig
  sed   -e "s/^#define __FD_SETSIZE[[:space:]]\+[0-9]\+/#define __FD_SETSIZE 8192/" \
	-e "s/^#define OPEN_MAX[[:space:]]\+[0-9]\+/#define OPEN_MAX 8192/" \
	< linux/include/linux/posix_types.h.orig \
	> linux/include/linux/posix_types.h

  echo
  echo  linux/include/linux/posix_types.h
  grep  "^#define __FD_SETSIZE\|^#define OPEN_MAX" < linux/include/linux/posix_types.h
}

[ -s /usr/include/bits/types.h ] &&
{
  cp   -f /usr/include/bits/types.h /usr/include/bits/types.h.orig
  sed  -e "s/^#define[[:space:]]\+__FD_SETSIZE[[:space:]]\+[0-9]\+/#define __FD_SETSIZE 8192/" \
	< /usr/include/bits/types.h.orig \
	> /usr/include/bits/types.h

  echo
  echo  /usr/include/bits/types.h
  grep  "__FD_SETSIZE" < /usr/include/bits/types.h
}

[ -s /usr/include/bits/typesizes.h ] &&
{
  cp    -f /usr/include/bits/typesizes.h /usr/include/bits/typesizes.h.orig
  sed   -e "s/^#define[[:space:]]\+__FD_SETSIZE[[:space:]]\+[0-9]\+/#define __FD_SETSIZE 8192/" \
	< /usr/include/bits/typesizes.h.orig \
	> /usr/include/bits/typesizes.h

  echo
  echo  /usr/include/bits/typesizes.h
  grep  "__FD_SETSIZE" < /usr/include/bits/typesizes.h
}

exit $?