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/*
* Copyright (C) 2013 Freie Universität Berlin
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @{
* @file
* @brief Providing implementation for close for fds defined in fd.h.
* @author Martine Lenders <mlenders@inf.fu-berlin.de>
* @author Christian Mehlis <mehlis@inf.fu-berlin.de>
*/
#include <errno.h>
#include <unistd.h>
#include "fd.h"
int close(int fildes)
{
fd_t *fd_obj = fd_get(fildes);
if (!fd_obj || (fd_obj->close == NULL)) {
errno = EBADF;
return -1;
}
if (fd_obj->close(fd_obj->internal_fd) < 0) {
errno = EIO; // EINTR may not occur since RIOT has no signals yet.
return -1;
}
fd_destroy(fd_obj->internal_fd);
return 0;
}
/**
* @}
*/