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man: reword text and fix tense in description of sd_event_source_set_io_fd
Follow-up for 2fa480592d
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@ -218,18 +218,17 @@
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<para><function>sd_event_source_set_io_fd()</function> changes the UNIX file descriptor of an I/O event
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source created previously with <function>sd_event_add_io()</function>. It takes the event source object
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and the new file descriptor. If the event source takes the ownership of the previous file descriptor,
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that is, <function>sd_event_source_set_io_fd_own()</function> was called for the event source with a
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and the new file descriptor as parameters. If the event source owned the previous file descriptor, that
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is if <function>sd_event_source_set_io_fd_own()</function> had been called for the event source with a
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non-zero value, then the previous file descriptor will be closed and the event source will also take the
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ownership of the new file descriptor on success.</para>
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<para><function>sd_event_source_set_io_fd_own()</function> controls whether the file descriptor of the
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event source shall be closed automatically when the event source is freed (or when the file descriptor
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assigned to the event source is replaced by <function>sd_event_source_set_io_fd()</function>), i.e.
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whether it shall be considered 'owned' by the event source object. By default it is not closed
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automatically, and the application has to do this on its own. The <parameter>b</parameter> parameter is a
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boolean parameter: if zero, the file descriptor is not closed automatically when the event source is
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freed, otherwise it is closed.</para>
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event source shall take ownership of the file descriptor. Takes a boolean parameter
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<parameter>b</parameter>. When true (nonzero), the file descriptor will be closed automatically when the
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event source is freed or when the file descriptor is replaced by
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<function>sd_event_source_set_io_fd()</function>. By default the descriptor is not owned by the event
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source, and the application has to do close it on its own if needed.</para>
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<para><function>sd_event_source_get_io_fd_own()</function> may be used to query the current setting of the file
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descriptor ownership boolean flag as set with <function>sd_event_source_set_io_fd_own()</function>. It returns
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