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42 lines
871 B
42 lines
871 B
/* |
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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 || (fd_obj->close == NULL)) { |
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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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