1
0
Fork 0
mirror of https://gitlab.com/sortix/sortix.git synced 2023-02-13 20:55:38 -05:00
sortix--sortix/libc/stdio/funregister.cpp

42 lines
1.4 KiB
C++
Raw Normal View History

/*******************************************************************************
2014-08-03 11:12:56 -04:00
Copyright(C) Jonas 'Sortie' Termansen 2011, 2012, 2013, 2014.
This file is part of the Sortix C Library.
The Sortix 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 3 of the License, or (at your
option) any later version.
The Sortix 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 Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
2014-08-03 11:12:56 -04:00
stdio/funregister.cpp
Unregisters a FILE in the global list of open FILEs.
*******************************************************************************/
2014-08-03 11:12:56 -04:00
#include <pthread.h>
#include <stdio.h>
2014-08-03 11:12:56 -04:00
extern "C" void funregister(FILE* fp)
{
2014-08-03 11:12:56 -04:00
if ( !(fp->flags & _FILE_REGISTERED) )
return;
pthread_mutex_lock(&__first_file_lock);
if ( !fp->prev )
__first_file = fp->next;
if ( fp->prev )
fp->prev->next = fp->next;
if ( fp->next )
fp->next->prev = fp->prev;
fp->flags &= ~_FILE_REGISTERED;
pthread_mutex_unlock(&__first_file_lock);
}