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e9692958f0
* origin/topic/jsiwek/improve_comm_loop: Add a simple FD_Set wrapper/helper class. Fix Pipe copy/assignment to make a copy of flags. Fix possible abort on writing to a full pipe. Remove timeouts from remote communication loop.
44 lines
878 B
C++
44 lines
878 B
C++
// See the file "COPYING" in the main distribution directory for copyright.
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#ifndef BRO_FLARE_H
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#define BRO_FLARE_H
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#include "Pipe.h"
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namespace bro {
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class Flare {
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public:
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/**
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* Create a flare object that can be used to signal a "ready" status via
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* a file descriptor that may be integrated with select(), poll(), etc.
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* Not thread-safe, but that should only require Fire()/Extinguish() calls
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* to be made mutually exclusive (across all copies of a Flare).
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*/
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Flare();
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/**
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* @return a file descriptor that will become ready if the flare has been
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* Fire()'d and not yet Extinguished()'d.
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*/
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int FD() const
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{ return pipe.ReadFD(); }
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/**
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* Put the object in the "ready" state.
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*/
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void Fire();
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/**
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* Take the object out of the "ready" state.
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*/
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void Extinguish();
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private:
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Pipe pipe;
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};
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} // namespace bro
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#endif // BRO_FLARE_H
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