settings_private.h

#pragma once
 
#include "cx/settings/settingshashnode.h"
#include "cx/settings/settingstree.h"
#include "settings.h"
 
#include <cx/container.h>
#include <cx/serialize/streambuf.h>
#include <cx/ssdtree/ssdtree.h>
#include <cx/time.h>
 
#define SETTINGS_DEFAULT_FLUSH_INTERVAL (timeS(30))
 
void _setsThreadCheck(void);
void _setsThreadWatch(SSDNode* sets);
void _setsThreadForget(SSDNode* sets);
bool _setsWriteTree(SSDNode* root, SettingsTree* tree, SSDLockState* lstate);
 
_meta_inline bool _setsWriteBoundVar(SettingsBind* bind, stype styp, stgeneric val)
{
    // for strings, destroy destination first to prevent leaks
    if (stEq(styp, stType(string)))
        strDestroy(&bind->var->st_string);
    return _stConvert(bind->type, bind->var, styp, NULL, val, 0);
}
 
#define _setsBCacheSize(btype) (stHasFlag(btype, PassPtr) ? sizeof(void*) : stGetSize(btype))
_meta_inline void _setsUpdateBindCache(SettingsBind* bind)
{
    // binding cache is a snapshot of the bound variable, but NOT the data or anything that needs
    // a heavyweight copy. I.e. for strings it's just the pointer. This means we won't detect
    // if a string is changed in-memory without reallocating it, but avoids an extra string
    // copy/compare every time setsGet is called.
 
    memcpy(&bind->cache, bind->var, _setsBCacheSize(bind->type));
}