I don't think there's any way. V8 JavaScript code is compiled to native code, and no instrumentation is really possible on that.
On Sunday, November 20, 2016 at 10:18:24 AM UTC-8, James Lovejoy wrote: > > Really I need something a little more deterministic than a time limit. Is > there a way to set an instruction limit? Or perhaps something similar to > lua_sethook (http://pgl.yoyo.org/luai/i/lua_sethook) in Lua which calls a > callback every given number of instructions. > > On Sun, Nov 20, 2016 at 4:02 AM, Ben Noordhuis <[email protected] > <javascript:>> wrote: > >> On Sat, Nov 19, 2016 at 10:11 PM, James Lovejoy <[email protected] >> <javascript:>> wrote: >> > Hi, >> > >> > Is there a way to set a hard execution limit in the V8 engine? I want >> to be >> > able to prevent things like infinite loops and recursions. I realise >> that >> > since V8 compiles to machine code I don't get a program counter or >> anything. >> > I feel like setting the "stack limit" is the right way to go but the >> usage >> > of this feature from the documentation is unclear. Can someone guide me >> as >> > to how to achieve such a limit? >> > >> > James >> >> If 'execution limit' means 'time limit': start a watchdog thread and >> call v8::Isolate::TerminateExecution() from that thread on timeout. >> It must be a thread, it's not safe to call from a signal handler. >> >> -- >> -- >> v8-users mailing list >> [email protected] <javascript:> >> http://groups.google.com/group/v8-users >> --- >> You received this message because you are subscribed to a topic in the >> Google Groups "v8-users" group. >> To unsubscribe from this topic, visit >> https://groups.google.com/d/topic/v8-users/Qwdd66xCtTU/unsubscribe. >> To unsubscribe from this group and all its topics, send an email to >> [email protected] <javascript:>. >> For more options, visit https://groups.google.com/d/optout. >> > > -- -- v8-users mailing list [email protected] http://groups.google.com/group/v8-users --- You received this message because you are subscribed to the Google Groups "v8-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
