Start/stop and callback execution belong to the app thread; admission may run on another thread. More...

#include "donner/editor/FrameCallbackAdmission.h"

Public Member Functions
uint32_t	start ()
	Start a new callback generation. A wrapped generation is rejected rather than reused.
void	stop ()
	Invalidate borrowed callback data before its owner destroys it.
uint32_t	generation () const
	Current generation, or zero after shutdown.
bool	isCurrent (uint32_t generation) const
	Whether callback data still belongs to this generation.
bool	acquire (uint32_t generation)
	Admit at most one notification until its actual frame finishes.
void	complete (uint32_t generation)
	Release admission, including failed posts; stale callbacks cannot clear a new generation.

Detailed Description

Start/stop and callback execution belong to the app thread; admission may run on another thread.

Member Function Documentation

bool donner::editor::FrameCallbackAdmission::acquire ( uint32_t generation )

inline

Admit at most one notification until its actual frame finishes.

Parameters

generation Tick token.

void donner::editor::FrameCallbackAdmission::complete ( uint32_t generation )

inline

Release admission, including failed posts; stale callbacks cannot clear a new generation.

Parameters

generation Callback token.

bool donner::editor::FrameCallbackAdmission::isCurrent ( uint32_t generation ) const

inline

Whether callback data still belongs to this generation.

Parameters

generation Callback token.

The documentation for this class was generated from the following file: