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| author | Pablo Polvorin <pablo.polvorin@process-one.net> | 2010-03-30 16:39:34 -0300 |
|---|---|---|
| committer | Pablo Polvorin <pablo.polvorin@process-one.net> | 2010-03-30 16:39:34 -0300 |
| commit | 41aa693896851a2a005a2487fca72d4a9e2aed3b (patch) | |
| tree | 3ce27612a8b69d71a598387eef53804e7206264b /doc/dev.tex | |
| parent | Fix indentation (EJAB-1038) (diff) | |
Allow customizing the StateData in p1_fsm before error reporting.
A new callback is introduced on the p1_fsm behaviour:
print_error/1
If the module implements this function, it will be invoked
in case of process crash with the current state data *before*
printing the error in the log. The function must return the
desired State to print.
It is used in ejabberd_c2s to prune the presence sets that
can be large. Instead, the state is changed to include only
the # of elements on each set.
Change inspired in comming changes to gen_server on OTP, and
http://github.com/erlyvideo/erlyvideo/commit/b01d15abc3189226dbf824db19db22da35fa33a0#diff-0
Diffstat (limited to 'doc/dev.tex')
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