#ifndef HAKMEM_TINY_REGISTRY_API_H
#define HAKMEM_TINY_REGISTRY_API_H

#include <stdint.h>
#include <pthread.h>

// Forward declarations
struct TinySlab;
typedef struct TinySlab TinySlab;

// Phase 2B-3: Registry Operations API
// Hash table for slab ownership tracking

// Hash function for slab_base (64KB aligned) - static inline for cross-TU use
#ifndef SLAB_REGISTRY_MASK
#define SLAB_REGISTRY_MASK 0x7F  // Assuming this is defined in hakmem_tiny.h
#endif

static inline int registry_hash(uintptr_t slab_base) {
    return (slab_base >> 16) & SLAB_REGISTRY_MASK;
}

// Register slab in hash table (returns 1 on success, 0 on failure)
int registry_register(uintptr_t slab_base, TinySlab* owner);

// Unregister slab from hash table
void registry_unregister(uintptr_t slab_base);

// Registry lock (extern from hakmem_tiny.c)
extern pthread_mutex_t g_tiny_registry_lock;

#endif // HAKMEM_TINY_REGISTRY_API_H