projects / deliverable / linux.git / blame
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|---|---|---|
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1 | .. -*- coding: utf-8; mode: rst -*- |
| 2 | ||
| 3 | .. _DMX_SET_BUFFER_SIZE: | |
| 4 | ||
| 586027ce | 5 | =================== |
| 47d23e36 MCC |
6 | DMX_SET_BUFFER_SIZE |
| 7 | =================== | |
| 8 | ||
| 15e7d615 | 9 | Name |
| 586027ce | 10 | ---- |
| 47d23e36 | 11 | |
| 586027ce | 12 | DMX_SET_BUFFER_SIZE |
| 47d23e36 | 13 | |
| 15e7d615 MCC |
14 | |
| 15 | Synopsis | |
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16 | -------- |
| 17 | ||
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18 | .. c:function:: int ioctl( int fd, DMX_SET_BUFFER_SIZE, unsigned long size) |
| 19 | :name: DMX_SET_BUFFER_SIZE | |
| 47d23e36 | 20 | |
| 47d23e36 | 21 | |
| 15e7d615 | 22 | Arguments |
| 586027ce | 23 | --------- |
| 47d23e36 | 24 | |
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25 | ``fd`` |
| 26 | File descriptor returned by :c:func:`open() <dvb-dmx-open>`. | |
| 47d23e36 | 27 | |
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28 | ``size`` |
| 29 | Unsigned long size | |
| 47d23e36 | 30 | |
| 15e7d615 | 31 | Description |
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32 | ----------- |
| 33 | ||
| 34 | This ioctl call is used to set the size of the circular buffer used for | |
| 35 | filtered data. The default size is two maximum sized sections, i.e. if | |
| 36 | this function is not called a buffer size of 2 \* 4096 bytes will be | |
| 37 | used. | |
| 38 | ||
| 39 | ||
| 15e7d615 | 40 | Return Value |
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41 | ------------ |
| 42 | ||
| 43 | On success 0 is returned, on error -1 and the ``errno`` variable is set | |
| 44 | appropriately. The generic error codes are described at the | |
| 45 | :ref:`Generic Error Codes <gen-errors>` chapter. |