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/* lockfile - Handle locking and unlocking of streams. Hurd pthread version.
Copyright (C) 2000-2019 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 <cthreads.h>
#include <pthread.h> /* Must come before <stdio.h>! */
#include <stdio.h>
void
_cthreads_flockfile (FILE *fp)
{
_IO_lock_lock (*fp->_lock);
}
void
_cthreads_funlockfile (FILE *fp)
{
_IO_lock_unlock (*fp->_lock);
}
int
_cthreads_ftrylockfile (FILE *fp)
{
return __libc_lock_trylock_recursive (*fp->_lock);
}
#undef _IO_flockfile
#undef _IO_funlockfile
#undef _IO_ftrylockfile
#undef flockfile
#undef funlockfile
#undef ftrylockfile
void _IO_flockfile (FILE *)
__attribute__ ((alias ("_cthreads_flockfile")));
void _IO_funlockfile (FILE *)
__attribute__ ((alias ("_cthreads_funlockfile")));
int _IO_ftrylockfile (FILE *)
__attribute__ ((alias ("_cthreads_ftrylockfile")));
void flockfile (FILE *)
__attribute__ ((weak, alias ("_cthreads_flockfile")));
void funlockfile (FILE *)
__attribute__ ((weak, alias ("_cthreads_funlockfile")));
int ftrylockfile (FILE *)
__attribute__ ((weak, alias ("_cthreads_ftrylockfile")));
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