src/lj_clib.h

   1 /*
   2 ** FFI C library loader.
   3 ** Copyright (C) 2005-2014 Mike Pall. See Copyright Notice in luajit.h
   4 */
   5
   6 #ifndef _LJ_CLIB_H
   7 #define _LJ_CLIB_H
   8
   9 #include "lj_obj.h"
  10
  11 #if LJ_HASFFI
  12
  13 /* Namespace for C library indexing. */
  14 #define CLNS_INDEX      ((1u<<CT_FUNC)|(1u<<CT_EXTERN)|(1u<<CT_CONSTVAL))
  15
  16 /* C library namespace. */
  17 typedef struct CLibrary {
  18   void *handle;         /* Opaque handle for dynamic library loader. */
  19   GCtab *cache;         /* Cache for resolved symbols. Anchored in ud->env. */
  20 } CLibrary;
  21
  22 LJ_FUNC TValue *lj_clib_index(lua_State *L, CLibrary *cl, GCstr *name);
  23 LJ_FUNC void lj_clib_load(lua_State *L, GCtab *mt, GCstr *name, int global);
  24 LJ_FUNC void lj_clib_unload(CLibrary *cl);
  25 LJ_FUNC void lj_clib_default(lua_State *L, GCtab *mt);
  26
  27 #endif
  28
  29 #endif