How do I properly make this code C++ in Kotlin/Nat...

# kotlin-native

[Toby]

How do I properly make this code C++ in Kotlin/Native?

long ns;
struct timespec spec;
clock_gettime(CLOCK_REALTIME, &spec);
ns = spec.tv_nsec;

I came up with this Kotlin/Native syntax but I can't access the tv_nsec member of the timespec struct and this is the only working code so far:

val spec: CValuesRef<timespec>? = null
clock_gettime(CLOCK_REALTIME, spec)

to actually access the output, I would need the following code (right)?:

var ns: Long
val spec: CValuesRef<timespec>? = null
clock_gettime(CLOCK_REALTIME, spec)
ns = spec.tv_nsec

So, how do I correctly do this?

[mbonnin]

Don't have all the details in mind right now but look into memScoped : https://kotlinlang.org/api/latest/jvm/stdlib/kotlinx.cinterop/mem-scoped.html

[mbonnin]

I'm leaning towards something like:

memScoped {
  val spec = alloc<timespec>()
  clock_gettime(CLOCK_REALTIME, spec.ptr)
}

[mbonnin]

Don't take this as gospel though as it's been a while I haven't tried this

[Toby]

Thanks a lot! It works!