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(svn r27594) -Fix [FS#6473]: [Script] Kill scripts, when a non-suspendable valuator call takes way too long.

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frosch 2016-05-30 21:03:11 +00:00
parent d90686f021
commit a2edf52b41
1 changed files with 11 additions and 0 deletions
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11
src/script/api/script_list.cpp
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@ -11,6 +11,7 @@
#include "../../stdafx.h"
#include "script_list.hpp"
#include "script_controller.hpp"
#include "../../debug.h"
#include "../../script/squirrel.hpp"
@ -905,6 +906,16 @@ SQInteger ScriptList::Valuate(HSQUIRRELVM vm)
}
}
/* Kill the script when the valuator call takes way too long.
* Triggered by nesting valuators, which then take billions of iterations. */
if (ScriptController::GetOpsTillSuspend() < -1000000) {
/* See below for explanation. The extra pop is the return value. */
sq_pop(vm, nparam + 4);
ScriptObject::SetAllowDoCommand(backup_allow);
return sq_throwerror(vm, "excessive CPU usage in valuator function");
}
/* Was something changed? */
if (previous_modification_count != this->modifications) {
/* See below for explanation. The extra pop is the return value. */