Clarify the description of the callout_active() macro: It is cleared by
callout_stop, callout_drain, and callout_deactivate, but is not automatically cleared when a callout returns.
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=140487
@ -383,7 +383,9 @@ callout_handle_init(struct callout_handle *handle)
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*
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* <sys/callout.h> defines three convenience macros:
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*
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* callout_active() - returns truth if callout has not been serviced
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* callout_active() - returns truth if callout has not been stopped,
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* drained, or deactivated since the last time the callout was
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* reset.
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* callout_pending() - returns truth if callout is still waiting for timeout
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* callout_deactivate() - marks the callout as having been serviced
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*/
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