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