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attempt to better control use of _longjmp

This commit is contained in:
Roberto Ierusalimschy 2005-08-09 14:57:29 -03:00
parent 894cd31c52
commit bbfd28959d
1 changed files with 5 additions and 6 deletions
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11
luaconf.h
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@ -1,5 +1,5 @@
/*
** $Id: luaconf.h,v 1.56 2005/08/01 15:05:09 roberto Exp roberto $
** $Id: luaconf.h,v 1.57 2005/08/04 13:37:10 roberto Exp roberto $
** Configuration file for Lua
** See Copyright Notice in lua.h
*/
@ -548,10 +548,10 @@ union luai_Cast { double l_d; long l_l; };
/*
@@ LUAI_THROW/LUAI_TRY define how Lua does exception handling.
** CHANGE them if you prefer to use longjmp/setjmp even with C++ or
** if want/don't want to use _longjmp/_setjmp instead of regular
** CHANGE them if you prefer to use longjmp/setjmp even with C++
** or if want/don't to use _longjmp/_setjmp instead of regular
** longjmp/setjmp. By default, Lua handles errors with exceptions when
* compiling as C++ code, with _longjmp/_setjmp when compiling as C code
** compiling as C++ code, with _longjmp/_setjmp when compiling as C code
** in some Unix systems, and with longjmp/setjmp otherwise.
*/
#if defined(__cplusplus)
@ -561,8 +561,7 @@ union luai_Cast { double l_d; long l_l; };
{ if ((c)->status == 0) (c)->status = -1; }
#define luai_jmpbuf int /* dummy variable */
#elif !defined(LUA_ANSI) && (defined(unix) || defined(__unix) || \
defined(__unix__))
#elif !defined(LUA_ANSI) && (defined(__GLIBC__))
/* in Unix, try _longjmp/_setjmp (more efficient) */
#define LUAI_THROW(L,c) _longjmp((c)->b, 1)
#define LUAI_TRY(L,c,a) if (_setjmp((c)->b) == 0) { a }