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sortix--sortix/libc/stdio/fregister.cpp
2014-12-01 16:29:43 +01:00

36 lines
1.3 KiB
C++

/*******************************************************************************
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/>.
stdio/fregister.cpp
Registers a FILE in the global list of open FILEs.
*******************************************************************************/
#include <pthread.h>
#include <stdio.h>
extern "C" void fregister(FILE* fp)
{
pthread_mutex_lock(&__first_file_lock);
fp->flags |= _FILE_REGISTERED;
if ( (fp->next = __first_file) )
__first_file->prev = fp;
__first_file = fp;
pthread_mutex_unlock(&__first_file_lock);
}