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41 lines
1.4 KiB
C++
41 lines
1.4 KiB
C++
/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2011, 2012, 2013, 2014.
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This file is part of the Sortix C Library.
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The Sortix C Library is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or (at your
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option) any later version.
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The Sortix C Library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
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stdio/funregister.cpp
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Unregisters a FILE in the global list of open FILEs.
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*******************************************************************************/
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#include <pthread.h>
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#include <stdio.h>
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extern "C" void funregister(FILE* fp)
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{
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if ( !(fp->flags & _FILE_REGISTERED) )
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return;
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pthread_mutex_lock(&__first_file_lock);
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if ( !fp->prev )
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__first_file = fp->next;
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if ( fp->prev )
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fp->prev->next = fp->next;
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if ( fp->next )
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fp->next->prev = fp->prev;
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fp->flags &= ~_FILE_REGISTERED;
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pthread_mutex_unlock(&__first_file_lock);
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}
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