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Roberto Ierusalimschy 2015-01-16 11:26:55 -02:00
parent 965f74525b
commit a0503305bd
1 changed files with 12 additions and 2 deletions
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14
llimits.h
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@ -1,5 +1,5 @@
/*
** $Id: llimits.h,v 1.125 2014/12/19 13:30:23 roberto Exp roberto $
** $Id: llimits.h,v 1.126 2015/01/13 15:49:11 roberto Exp roberto $
** Limits, basic types, and some other 'installation-dependent' definitions
** See Copyright Notice in lua.h
*/
@ -99,11 +99,13 @@ typedef LUAI_UACINT l_uacInt;
#define api_check(e,msg) luai_apicheck((e) && msg)
/* macro to avoid warnings about unused variables */
#if !defined(UNUSED)
#define UNUSED(x) ((void)(x)) /* to avoid warnings */
#define UNUSED(x) ((void)(x))
#endif
/* type casts (a macro highlights casts in the code) */
#define cast(t, exp) ((t)(exp))
#define cast_void(i) cast(void, (i))
@ -176,11 +178,19 @@ typedef unsigned long Instruction;
#endif
/*
** macros that are executed whenether program enters the Lua core
** ('lua_lock') and leaves the core ('lua_unlock')
*/
#if !defined(lua_lock)
#define lua_lock(L) ((void) 0)
#define lua_unlock(L) ((void) 0)
#endif
/*
** macro executed during Lua functions at points where the
** function can yield.
*/
#if !defined(luai_threadyield)
#define luai_threadyield(L) {lua_unlock(L); lua_lock(L);}
#endif