18c2ecf20Sopenharmony_ci.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later 28c2ecf20Sopenharmony_ci.. c:namespace:: MC 38c2ecf20Sopenharmony_ci 48c2ecf20Sopenharmony_ci.. _media-func-close: 58c2ecf20Sopenharmony_ci 68c2ecf20Sopenharmony_ci************* 78c2ecf20Sopenharmony_cimedia close() 88c2ecf20Sopenharmony_ci************* 98c2ecf20Sopenharmony_ci 108c2ecf20Sopenharmony_ciName 118c2ecf20Sopenharmony_ci==== 128c2ecf20Sopenharmony_ci 138c2ecf20Sopenharmony_cimedia-close - Close a media device 148c2ecf20Sopenharmony_ci 158c2ecf20Sopenharmony_ciSynopsis 168c2ecf20Sopenharmony_ci======== 178c2ecf20Sopenharmony_ci 188c2ecf20Sopenharmony_ci.. code-block:: c 198c2ecf20Sopenharmony_ci 208c2ecf20Sopenharmony_ci #include <unistd.h> 218c2ecf20Sopenharmony_ci 228c2ecf20Sopenharmony_ci.. c:function:: int close( int fd ) 238c2ecf20Sopenharmony_ci 248c2ecf20Sopenharmony_ciArguments 258c2ecf20Sopenharmony_ci========= 268c2ecf20Sopenharmony_ci 278c2ecf20Sopenharmony_ci``fd`` 288c2ecf20Sopenharmony_ci File descriptor returned by :c:func:`open()`. 298c2ecf20Sopenharmony_ci 308c2ecf20Sopenharmony_ciDescription 318c2ecf20Sopenharmony_ci=========== 328c2ecf20Sopenharmony_ci 338c2ecf20Sopenharmony_ciCloses the media device. Resources associated with the file descriptor 348c2ecf20Sopenharmony_ciare freed. The device configuration remain unchanged. 358c2ecf20Sopenharmony_ci 368c2ecf20Sopenharmony_ciReturn Value 378c2ecf20Sopenharmony_ci============ 388c2ecf20Sopenharmony_ci 398c2ecf20Sopenharmony_ci:c:func:`close()` returns 0 on success. On error, -1 is returned, and 408c2ecf20Sopenharmony_ci``errno`` is set appropriately. Possible error codes are: 418c2ecf20Sopenharmony_ci 428c2ecf20Sopenharmony_ciEBADF 438c2ecf20Sopenharmony_ci ``fd`` is not a valid open file descriptor. 44