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2getdns_context_set_context_update_gceatlgdlenbtsad_cnckso(n3t)ext_set_context_update_callback(3)
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NAME

7       getdns_context_set_context_update_callback  --  get  informed on getdns
8       context updates
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LIBRARY

12       DNS Resolver library (libgetdns, -lgetdns)
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SYNOPSIS

16       #include <getdns.h>
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18       getdns_return_t
19       getdns_context_set_context_update_callback (getdns_context ** context,
20          void   (*cbfun)(getdns_context    *context,    getdns_context_code_t
21          changed_item)
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DESCRIPTION

25       Changes  to the context such as in response to system files that affect
26       the contet (/etc/resolv.conf etc.) trigger a call to the callback func‐
27       tion specified as cbfun
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30       context a previously initialized context
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33       cbfun  callback function to invoked when the specified context changes.
34          If this argument is NULL then updates to the context will not invoke
35          a callback.
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RETURN VALUES

41       Upon   successful   completion   each   of   these   functions   return
42       GETDNS_RETURN_GOOD , otherwise the following error values are returned:
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45       GETDNS_RETURN_GENERIC_ERROR memory  allocation  failed  or  some  other
46       untoward thing happened
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49       GETDNS_RETURN_BAD_CONTEXT if the context pointer is invalid
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EXAMPLES

53       TBD
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SEE ALSO

57       libgetdns(3),      getdns_context_create(3),     getdns_context_set(3),
58       getdns_context_set_context_update_callback(3),
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63getdns 1.6.0                     Dgeectedmnbse_rco2n0t1e5xt_set_context_update_callback(3)
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