xref: /OK3568_Linux_fs/kernel/Documentation/userspace-api/media/dvb/dmx-fclose.rst (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
2*4882a593Smuzhiyun.. c:namespace:: DTV.dmx
3*4882a593Smuzhiyun
4*4882a593Smuzhiyun.. _dmx_fclose:
5*4882a593Smuzhiyun
6*4882a593Smuzhiyun========================
7*4882a593SmuzhiyunDigital TV demux close()
8*4882a593Smuzhiyun========================
9*4882a593Smuzhiyun
10*4882a593SmuzhiyunName
11*4882a593Smuzhiyun----
12*4882a593Smuzhiyun
13*4882a593SmuzhiyunDigital TV demux close()
14*4882a593Smuzhiyun
15*4882a593SmuzhiyunSynopsis
16*4882a593Smuzhiyun--------
17*4882a593Smuzhiyun
18*4882a593Smuzhiyun.. c:function:: int close(int fd)
19*4882a593Smuzhiyun
20*4882a593SmuzhiyunArguments
21*4882a593Smuzhiyun---------
22*4882a593Smuzhiyun
23*4882a593Smuzhiyun``fd``
24*4882a593Smuzhiyun  File descriptor returned by a previous call to
25*4882a593Smuzhiyun  :c:func:`open()`.
26*4882a593Smuzhiyun
27*4882a593SmuzhiyunDescription
28*4882a593Smuzhiyun-----------
29*4882a593Smuzhiyun
30*4882a593SmuzhiyunThis system call deactivates and deallocates a filter that was
31*4882a593Smuzhiyunpreviously allocated via the :c:func:`open()` call.
32*4882a593Smuzhiyun
33*4882a593SmuzhiyunReturn Value
34*4882a593Smuzhiyun------------
35*4882a593Smuzhiyun
36*4882a593SmuzhiyunOn success 0 is returned.
37*4882a593Smuzhiyun
38*4882a593SmuzhiyunOn error, -1 is returned and the ``errno`` variable is set
39*4882a593Smuzhiyunappropriately.
40*4882a593Smuzhiyun
41*4882a593SmuzhiyunThe generic error codes are described at the
42*4882a593Smuzhiyun:ref:`Generic Error Codes <gen-errors>` chapter.
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