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added dict/list memory functions, api_information, cleaned up copyrights
2014-04-25 06:49:25 -05:00
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.TH getdns_context_set_context_update_callback 3 "@date@" "getdns @version@" getdns
.SH NAME
.B getdns_context_set_context_update_callback
Fix and add check for manpage-has-bad-whatis-entry Also remove obsolete getdns_free_sync_request_memory function Also list all authors in libgetdns manpage
2014-11-10 08:50:45 -06:00
-- get informed on getdns context updates
added dict/list memory functions, api_information, cleaned up copyrights
2014-04-25 06:49:25 -05:00
.SH LIBRARY
DNS Resolver library (libgetdns, -lgetdns)
.SH SYNOPSIS
#include <getdns.h>
getdns_return_t
.br
.B getdns_context_set_context_update_callback
(getdns_context ** context,
.RS 3
.br
void (*cbfun)(getdns_context *context, getdns_context_code_t changed_item)
.RE
.SH DESCRIPTION
.LP
Changes to the context such as in response to system files that affect the contet (/etc/resolv.conf etc.) trigger a call to the callback function specified as
Cannot mix 'man' and 'mdoc' macro's in manpages + small updates to text - change "File Descriptor Polling" to "Build-in Event loop" and removal of "Custom Event Loop Integrations" section from libgetdns.
2014-11-10 08:14:58 -06:00
.B
added dict/list memory functions, api_information, cleaned up copyrights
2014-04-25 06:49:25 -05:00
cbfun
.HP 3
.I context
a previously initialized context
.HP 3
.I cbfun
callback function to invoked when the specified context changes. If this
argument is NULL then updates to the context will not invoke a callback.
.HP
.SH "RETURN VALUES"
Upon successful completion each of these functions return
.B GETDNS_RETURN_GOOD
, otherwise the following error values are returned:
.LP
.B GETDNS_RETURN_GENERIC_ERROR
memory allocation failed or some other untoward thing happened
.LP
.B GETDNS_RETURN_BAD_CONTEXT
if the context pointer is invalid
.SH EXAMPLES
TBD
.SH SEE ALSO
.BR libgetdns (3),
.BR getdns_context_create (3),
.BR getdns_context_set (3),
.BR getdns_context_set_context_update_callback (3),