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For bug 7776, I have inserted a warning about Macro nesting vs. stack limitations

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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.2@44343 65c4cc65-6c06-0410-ace0-fbb531ad65f3
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Steve Murphy
2006-10-04 16:02:22 +00:00
parent eae488f164
commit 4f0d22fde1
1 changed files with 7 additions and 1 deletions
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8
apps/app_macro.c
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@@ -60,7 +60,13 @@ static char *descrip =
"If you Goto out of the Macro context, the Macro will terminate and control\n" "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" "will be returned at the location of the Goto.\n"
"If ${MACRO_OFFSET} is set at termination, Macro will attempt to continue\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\n"
" macros could cause asterisk to crash earlier than this limit.\n";
static char *if_descrip = static char *if_descrip =
" MacroIf(<expr>?macroname_a[|arg1][:macroname_b[|arg1]])\n" " MacroIf(<expr>?macroname_a[|arg1][:macroname_b[|arg1]])\n"