tryPop()

template<fl::size DescriptorCount, fl::size ArenaSize>

bool fl::AsyncLogQueue< DescriptorCount, ArenaSize >::tryPop	(	const char **	outPtr,
		fl::u16 *	outLen )

Consumer: Try to pop one message (main thread only)

Definition at line 52 of file async_log_queue.cpp.hpp.

                                                                                                      {
    // Read head with memory barrier (acquire semantics)
    fl::u32 head = loadHead();
    fl::u32 tail = mTail;
 
    if (tail == head) {
        return false;  // Queue empty
    }
 
    // Read descriptor at tail position
    const Descriptor& desc = mDescriptors[tail];
 
    // Return pointer into arena (contiguous due to padding at wrap)
    *outPtr = &mArena[desc.mStartIdx];
    *outLen = desc.mLength;
 
    return true;
}