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Attaching and detaching handle pointers will make it easier to
determine where and why reference counting errors have occurred.
A handle needs to be referenced more than once when multiple
asynchronous operations are in flight, so callers must now maintain
multiple handle pointers for each pending operation. For example,
ns_client objects now contain:
- reqhandle: held while waiting for a request callback (query,
notify, update)
- sendhandle: held while waiting for a send callback
- fetchhandle: held while waiting for a recursive fetch to
complete
- updatehandle: held while waiting for an update-forwarding
task to complete
control channel connection objects now contain:
- readhandle: held while waiting for a read callback
- sendhandle: held while waiting for a send callback
- cmdhandle: held while an rndc command is running
httpd connections contain:
- readhandle: held while waiting for a read callback
- sendhandle: held while waiting for a send callback
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|---|---|---|
| .. | ||
| include | ||
| tests | ||
| win32 | ||
| api | ||
| client.c | ||
| hooks.c | ||
| interfacemgr.c | ||
| lib.c | ||
| listenlist.c | ||
| log.c | ||
| Makefile.am | ||
| notify.c | ||
| query.c | ||
| server.c | ||
| sortlist.c | ||
| stats.c | ||
| update.c | ||
| xfrout.c | ||