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eaa60ca8dd
* update to lua 5.4.0-rc1 * remove LUA_ERRGCMM * use age bits for shared * remove unused lbitlib.c * use luaV_fastget * fix #1174 * suspend函数tailcall优化 * 防止没有session导致未调用suspend * luaH_setint check shared (#1184) * set LUA_GCGEN by default * fix #1174 (#1186) checkshared in sweeplist * update to lua 5.4 rc2 * update to lua 5.4 rc4 * move skynet.profile into snlua * Use lua_sethook to interrupt tight loops * remove lua_checksig * critical condition for signals * update to lua 5.4 released * lua 5.4 bugfix * update lua bugfix * fix lua_sharestring (#1224) * update lua * update lua 5.4 * update README * add skynet.select * add test * test error & discard * yield session * request error has no error message * add timeout to skynet.select * bugfix * for lua 5.4 * new version * bugfix * bugfix * use if instead of while * make local * yield in select for * update lua 5.4.1 * change lua version (#1245) Co-authored-by: xiaojin <xiaojin@onemt.com.cn> * update lua version number Co-authored-by: hong <hongling0@gmail.com> Co-authored-by: hong <hongling-0@qq.com> Co-authored-by: 风---自由 <996442717qqcom@gmail.com> Co-authored-by: xiaojin <xiaojin@onemt.com.cn>
48 lines
1.3 KiB
C
48 lines
1.3 KiB
C
/*
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** $Id: lapi.h $
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** Auxiliary functions from Lua API
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** See Copyright Notice in lua.h
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*/
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#ifndef lapi_h
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#define lapi_h
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#include "llimits.h"
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#include "lstate.h"
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/* Increments 'L->top', checking for stack overflows */
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#define api_incr_top(L) {L->top++; api_check(L, L->top <= L->ci->top, \
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"stack overflow");}
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/*
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** If a call returns too many multiple returns, the callee may not have
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** stack space to accommodate all results. In this case, this macro
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** increases its stack space ('L->ci->top').
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*/
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#define adjustresults(L,nres) \
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{ if ((nres) <= LUA_MULTRET && L->ci->top < L->top) L->ci->top = L->top; }
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/* Ensure the stack has at least 'n' elements */
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#define api_checknelems(L,n) api_check(L, (n) < (L->top - L->ci->func), \
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"not enough elements in the stack")
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/*
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** To reduce the overhead of returning from C functions, the presence of
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** to-be-closed variables in these functions is coded in the CallInfo's
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** field 'nresults', in a way that functions with no to-be-closed variables
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** with zero, one, or "all" wanted results have no overhead. Functions
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** with other number of wanted results, as well as functions with
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** variables to be closed, have an extra check.
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*/
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#define hastocloseCfunc(n) ((n) < LUA_MULTRET)
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#define codeNresults(n) (-(n) - 3)
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#endif
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