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Clean up and clarify a little more documentation

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This commit is contained in:
Nick Mathewson 2012-11-18 19:32:41 -05:00
parent 060c409e8b
commit dc0287c473
2 changed files with 10 additions and 6 deletions
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10
include/event2/event.h
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@ -1347,9 +1347,13 @@ typedef int (*event_base_foreach_event_cb)(const struct event_base *, const stru
Iterate over all added or active events events in an event loop, and invoke
a given callback on each one.
The callback must not call any function that modifies the event base, or
modifies any event in the event base. Doing so is unsupported and
will lead to undefined behavior.
The callback must not call any function that modifies the event base, that
modifies any event in the event base, or that adds or removes any event to
the event base. Doing so is unsupported and will lead to undefined
behavior -- likely, to crashes.
event_base_foreach_event() holds a lock on the event_base() for the whole
time it's running: slow callbacks are not advisable.
The callback function must return 0 to continue iteration, or some other
integer to stop iterating.