lazyinit.h

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#pragma once
 
#include <cx/cx.h>
 
CX_C_BEGIN
 
typedef struct LazyInitState {
    bool init;           
    bool initProgress;   
} LazyInitState;
 
typedef void (*LazyInitCallback)(void* userData);
 
// Internal implementation for lazy initialization (do not call directly)
void _lazyInitInternal(_Inout_ bool* init, _Inout_ bool* initProgress,
                       _In_ LazyInitCallback initfunc, _In_opt_ void* userData);
 
_meta_inline void lazyInit(_Inout_ LazyInitState* state, _In_ LazyInitCallback initfunc,
                           _In_opt_ void* userData)
{
    if (!state->init)
        _lazyInitInternal(&state->init, &state->initProgress, initfunc, userData);
}
 
CX_C_END