1 /* lockfile - Handle locking and unlocking of stream.
2 Copyright (C) 1996, 1998, 2000 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public License as
7 published by the Free Software Foundation; either version 2.1 of the
8 License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; see the file COPYING.LIB. If
17 not, see <http://www.gnu.org/licenses/>. */
22 extern __typeof(pthread_mutexattr_init
) __pthread_mutexattr_init attribute_hidden
;
23 extern __typeof(pthread_mutexattr_settype
) __pthread_mutexattr_settype attribute_hidden
;
24 extern __typeof(pthread_mutexattr_destroy
) __pthread_mutexattr_destroy attribute_hidden
;
26 /* Note: glibc puts flockfile, funlockfile, and ftrylockfile in both
27 * libc and libpthread. In uClibc, they are now in libc only. */
29 void __fresetlockfiles (void);
30 void __fresetlockfiles (void)
33 pthread_mutexattr_t attr
;
35 __pthread_mutexattr_init(&attr
);
36 __pthread_mutexattr_settype(&attr
, PTHREAD_MUTEX_RECURSIVE_NP
);
38 for (fp
= _stdio_openlist
; fp
!= NULL
; fp
= fp
->__nextopen
)
39 __pthread_mutex_init(&fp
->__lock
, &attr
);
41 __pthread_mutexattr_destroy(&attr
);