mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-27 11:43:34 +08:00
60 lines
1.8 KiB
C
60 lines
1.8 KiB
C
/* lockfile - Handle locking and unlocking of streams. Hurd pthread version.
|
|
Copyright (C) 2000-2020 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 <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")));
|