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/* Copyright (C) 1998-2022 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library. If not, see
<https://www.gnu.org/licenses/>. */
#include <shlib-compat.h>
#if SHLIB_COMPAT (libc, GLIBC_2_4, GLIBC_2_30)
# include <errno.h>
int
ioperm (unsigned long int from, unsigned long int num, int turn_on)
{
__set_errno (ENOSYS);
return -1;
}
compat_symbol (libc, ioperm, ioperm, GLIBC_2_4);
int
iopl (unsigned int level)
{
__set_errno (ENOSYS);
return -1;
}
compat_symbol (libc, iopl, iopl, GLIBC_2_4);
/* The remaining functions do not have any way to indicate failure.
However, it is only valid to call them after calling ioperm/iopl,
which will have indicated failure. */
void
outb (unsigned char b, unsigned long int port)
{
}
compat_symbol (libc, outb, outb, GLIBC_2_4);
void
outw (unsigned short b, unsigned long int port)
{
}
compat_symbol (libc, outw, outw, GLIBC_2_4);
void
outl (unsigned int b, unsigned long int port)
{
}
compat_symbol (libc, outl, outl, GLIBC_2_4);
unsigned int
inb (unsigned long int port)
{
return 0;
}
compat_symbol (libc, inb, inb, GLIBC_2_4);
unsigned int
inw (unsigned long int port)
{
return 0;
}
compat_symbol (libc, inw, inw, GLIBC_2_4);
unsigned int
inl (unsigned long int port)
{
return 0;
}
compat_symbol (libc, inl, inl, GLIBC_2_4);
#endif /* SHLIB_COMAT */
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