#ifndef HAKMEM_TINY_MAGAZINE_H
#define HAKMEM_TINY_MAGAZINE_H

#include "hakmem_tiny.h" // For TINY_NUM_CLASSES

// This forward declaration is needed because TinyMagItem references it.
struct TinySlab;

#define TINY_TLS_MAG_CAP 2048

// Optional: store owner slab pointer alongside pointer in Magazine items
#ifndef HAKMEM_TINY_MAG_OWNER
#define HAKMEM_TINY_MAG_OWNER 1
#endif

typedef struct {
    void* ptr;
#if HAKMEM_TINY_MAG_OWNER
    struct TinySlab* owner;
#endif
} TinyMagItem;

// Legacy magazines retained for slow path / compatibility (will gradually shrink)
typedef struct {
    TinyMagItem items[TINY_TLS_MAG_CAP];
    int top;           // number of stored items
    int cap;           // adaptive capacity (<= TINY_TLS_MAG_CAP)
} TinyTLSMag;

// Defined in hakmem_tiny_magazine.c
extern __thread TinyTLSMag g_tls_mags[TINY_NUM_CLASSES];
extern int g_mag_cap_limit;

// Magazine capacity helpers
extern int g_mag_cap_override[TINY_NUM_CLASSES];
int tiny_effective_cap(int class_idx);
int tiny_default_cap(int class_idx);
int tiny_cap_max_for_class(int class_idx);

// Magazine initialization helpers
extern __thread int g_tls_small_mags_inited;
void tiny_mag_init_if_needed(int class_idx);
void tiny_small_mags_init_once(void);

#endif // HAKMEM_TINY_MAGAZINE_H