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sortix--sortix/libc/stdio/ftrylockfile.cpp
Jonas 'Sortie' Termansen 1ddd404ff9 Thread-secure stdio.
2014-07-08 17:41:52 +02:00

31 lines
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C++

/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2013.
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/ftrylockfile.cpp
Attemps to lock a FILE to the current thread.
*******************************************************************************/
#include <pthread.h>
#include <stdio.h>
extern "C" int ftrylockfile(FILE* fp)
{
return pthread_mutex_lock(&fp->file_lock) ? -1 : 0;
}