Function tryagain

lib/lua/src/lmem.c:162–170

** In case of allocation fail, this function will do an emergency ** collection to free some memory and then try the allocation again. */

** collection to free some memory and then try the allocation again.
*/
static void *tryagain (lua_State *L, void *block,
                       size_t osize, size_t nsize) {
  global_State *g = G(L);
  if (cantryagain(g)) {
    luaC_fullgc(L, 1);  /* try to free some memory... */
    return callfrealloc(g, block, osize, nsize);  /* try again */
  }
  else return NULL;  /* cannot run an emergency collection */
}


/*