SCDynamicStoreCreateWithHandler

SCExtras.c

#include <SystemConfiguration/SystemConfiguration.h>

#include "SCExtras.h"

static void
__SCDynamicStoreBlockCallBack(SCDynamicStoreRef store, CFArrayRef changedKeys, void *info)
{
    void (^block)(SCDynamicStoreRef store, CFArrayRef changedKeys) = info;
    block(store, changedKeys);
}

SCDynamicStoreRef
SCDynamicStoreCreateWithHandler(CFAllocatorRef allocator,
                                CFStringRef name,
                                void (^block)(SCDynamicStoreRef store, CFArrayRef changedKeys))
{
    SCDynamicStoreContext storeContext = {
        .version = 0,
        .info = block,
        .retain = (const void * __nonnull (* __nullable)(const void *))_Block_copy,
        .release = _Block_release,
        .copyDescription = NULL
    };

    return SCDynamicStoreCreate(allocator, name, __SCDynamicStoreBlockCallBack, &storeContext);
}

SCExtras.h

#ifndef SCExtras_h
#define SCExtras_h

#include <SystemConfiguration/SystemConfiguration.h>

CF_IMPLICIT_BRIDGING_ENABLED
CF_ASSUME_NONNULL_BEGIN
    
_Nullable SCDynamicStoreRef
SCDynamicStoreCreateWithHandler(_Nullable CFAllocatorRef allocator,
                                _Nonnull CFStringRef name,
                                void (^_Nonnull block)(_Nonnull SCDynamicStoreRef store, _Nonnull CFArrayRef changedKeys));

CF_ASSUME_NONNULL_END           
CF_IMPLICIT_BRIDGING_DISABLED   

#endif /* SCExtras_h */