Support Board
Date/Time: Fri, 29 Nov 2024 08:43:24 +0000
Post From: persistent variables simultaneous assignments between charts? (across 2+ chart threads..)
| [2023-03-02 17:22:53] |
| User133994 - Posts: 80 |
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Thanks for the quick response. I understand that each instance operates in 1 thread from a "studies" perspective across *all* charts. I assume this is for all charts in the same chartbook. So does whatever chart sets a persistent variable last mean this is impossible:source chart #1 with source persistent variable A: @1:00:00 uses sc.SetPersistent*ForChartStudy on variable A to set it to 34 destination chart #2 with reference to source's persistent variable A: @1:00:00 uses sc.SetPersistent*ForChartStudy on variable A to set it to 100 And, does that mean that chart #1 will never "be able" to modify a shared persistent variable at the exact same time as chart #2? What is the sequencing mechanism for apparent "simultaneous" events? Who gets priority and why? Will chart #2 be blocked from modifying the shared persistent variable, how, when? If they both request the sc.SetPersistent at the same time? Or is there a "queue" of requests and thus it will never be the exact same time. How does that queue work? A simple 2 chart 1 persistent shared variable example will be a great help in understanding this--if you are able. Thanks in advance. Follow-on question: What about different chartbooks--same thread also? Maybe there aren't shared persistent variables across chartbooks, even though it might be in the same thread? |