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| >Video for Linux Two API Specification: Revision 0.24</TH |
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| >V4L2 close()</H1 |
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| >Name</H2 |
| >v4l2-close -- Close a V4L2 device</DIV |
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| >Synopsis</H2 |
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| ><PRE |
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| >#include <unistd.h></PRE |
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| >int close</CODE |
| >(int fd);</CODE |
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| ><CODE |
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| >fd</CODE |
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| >File descriptor returned by <A |
| HREF="r14090.htm" |
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| CLASS="FUNCTION" |
| >open()</CODE |
| ></A |
| >.</P |
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| ><H2 |
| >Description</H2 |
| ><P |
| >Closes the device. Any I/O in progress is terminated and |
| resources associated with the file descriptor are freed. However data |
| format parameters, current input or output, control values or other |
| properties remain unchanged.</P |
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| ><H2 |
| >Return Value</H2 |
| ><P |
| >The function returns <SPAN |
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| >0</SPAN |
| > on |
| success, <SPAN |
| CLASS="RETURNVALUE" |
| >-1</SPAN |
| > on failure and the |
| <CODE |
| CLASS="VARNAME" |
| >errno</CODE |
| > is set appropriately. Possible error |
| codes:</P |
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| >fd</CODE |
| > is not a valid open file |
| descriptor.</P |
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