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Added a warning to the documentation for Macro in response to bug 7776 

git-svn-id: http://svn.digium.com/svn/asterisk/trunk@44336 f38db490-d61c-443f-a65b-d21fe96a405b
This commit is contained in:
murf 2006-10-04 15:37:51 +00:00
parent cdae839f80
commit 3d2d536881
1 changed files with 9 additions and 1 deletions
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10
apps/app_macro.c
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@ -60,7 +60,15 @@ static char *descrip =
"If you Goto out of the Macro context, the Macro will terminate and control\n"
"will be returned at the location of the Goto.\n"
"If ${MACRO_OFFSET} is set at termination, Macro will attempt to continue\n"
"at priority MACRO_OFFSET + N + 1 if such a step exists, and N + 1 otherwise.\n";
"at priority MACRO_OFFSET + N + 1 if such a step exists, and N + 1 otherwise.\n"
"WARNING: Because of the way Macro is implemented (it executes the priorities\n"
" contained within it via sub-engine), and a fixed per-thread\n"
" memory stack allowance, macros are limited to 7 levels\n"
" of nesting (macro calling macro calling macro, etc.); It\n"
" may be possible that stack-intensive applications in deeply nested macros\n"
" could cause asterisk to crash earlier than this limit. It is advised that\n"
" if you need to deeply nest macro calls, that you use the Gosub application\n"
" (now allows arguments like a Macro) with explict Return() calls instead.\n";
static char *if_descrip =
" MacroIf(<expr>?macroname_a[|arg1][:macroname_b[|arg1]])\n"