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comments (about hooks vs signals)

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Roberto Ierusalimschy
2015-12-16 14:40:07 -02:00
parent c4e01c568a
commit a051b3323e
2 changed files with 15 additions and 4 deletions
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9
ldo.c
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@@ -1,5 +1,5 @@
/*
** $Id: ldo.c,v 2.149 2015/11/13 13:24:26 roberto Exp roberto $
** $Id: ldo.c,v 2.150 2015/11/19 19:16:22 roberto Exp roberto $
** Stack and Call structure of Lua
** See Copyright Notice in lua.h
*/
@@ -242,9 +242,14 @@ void luaD_inctop (lua_State *L) {
/* }================================================================== */
/*
** Call a hook for the given event. Make sure there is a hook to be
** called. (Both 'L->hook' and 'L->hookmask', which triggers this
** function, can be changed asynchronously by signals.)
*/
void luaD_hook (lua_State *L, int event, int line) {
lua_Hook hook = L->hook;
if (hook && L->allowhook) {
if (hook && L->allowhook) { /* make sure there is a hook */
CallInfo *ci = L->ci;
ptrdiff_t top = savestack(L, L->top);
ptrdiff_t ci_top = savestack(L, ci->top);