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#pragma once
#ifdef __cplusplus
extern "C" {
#endif // __cplusplus
#include "lua.h"
#ifdef __cplusplus
}
#endif // __cplusplus
#include "threading.h"
#include "uniquekey.h"
// forwards
struct Universe;
enum LookupMode;
struct Keeper
{
MUTEX_T keeper_cs;
lua_State* L;
// int count;
};
struct Keepers
{
int nb_keepers;
Keeper keeper_array[1];
};
static constexpr ptrdiff_t KEEPER_MAGIC_SHIFT{ 3 };
// crc64/we of string "NIL_SENTINEL" generated at http://www.nitrxgen.net/hashgen/
static constexpr UniqueKey NIL_SENTINEL{ 0x7eaafa003a1d11a1ull };
void init_keepers(Universe* U, lua_State* L);
void close_keepers(Universe* U);
Keeper* which_keeper(Keepers* keepers_, ptrdiff_t magic_);
Keeper* keeper_acquire(Keepers* keepers_, ptrdiff_t magic_);
void keeper_release(Keeper* K);
void keeper_toggle_nil_sentinels(lua_State* L, int val_i_, LookupMode const mode_);
int keeper_push_linda_storage(Universe* U, lua_State* L, void* ptr_, ptrdiff_t magic_);
using keeper_api_t = lua_CFunction;
#define KEEPER_API(_op) keepercall_##_op
#define PUSH_KEEPER_FUNC lua_pushcfunction
// lua_Cfunctions to run inside a keeper state
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);
int keeper_call(Universe* U, lua_State* K, keeper_api_t _func, lua_State* L, void* linda, int starting_index);
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