#if !defined( __keeper_h__)
#define __keeper_h__ 1

struct s_Keeper
{
	MUTEX_T lock_;
	lua_State *L;
	//int count;
};

char const* init_keepers( int const _nbKeepers, lua_CFunction _on_state_create);
void populate_keepers( lua_State *L);
struct s_Keeper *keeper_acquire( const void *ptr);
void keeper_release( struct s_Keeper *K);
void keeper_toggle_nil_sentinels( lua_State *L, int _val_i, int _nil_to_sentinel);

#define KEEPER_MODEL_LUA 1
#define KEEPER_MODEL_C 2
#define KEEPER_MODEL KEEPER_MODEL_C

#if KEEPER_MODEL == KEEPER_MODEL_LUA
typedef char const* keeper_api_t;
#define KEEPER_API( _op) #_op
#define PUSH_KEEPER_FUNC( K, _api) lua_getglobal( K, _api)
#elif KEEPER_MODEL == KEEPER_MODEL_C
typedef lua_CFunction keeper_api_t;
#define KEEPER_API( _op) keepercall_ ## _op
#define PUSH_KEEPER_FUNC lua_pushcfunction
// lua_Cfunctions to run inside a keeper state (formerly implemented in Lua)
int keepercall_clear( lua_State* L);
int keepercall_send( lua_State* L);
int keepercall_receive( lua_State* L);
int keepercall_receive_batched( lua_State* L);
int keepercall_limit( lua_State* L);
int keepercall_get( lua_State* L);
int keepercall_set( lua_State* L);
int keepercall_count( lua_State* L);
#endif // KEEPER_MODEL

int keeper_call( lua_State *K, keeper_api_t _func, lua_State *L, void *linda, uint_t starting_index);

#endif // __keeper_h__