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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Executing Multiple GIL using Threads","articleBody":"### Environment\r\n\r\n-   3.0.5\r\n-   3.9:\r\n-   Windows:\r\n-   6.0:\r\n\r\n### Details\r\n\r\n-   As i'm working on POC using C# Console Application .I have a requirement on executing multiple \"PY.GIL\" to handle different tasks using threads . The sample code is able to reach \"PY.GIL\" initialization after thread call but after that there is no progress the screen got freeze and shows only black screen.\r\n\r\n-  The below is the sample code used:\r\nusing System;\r\nusing System.Threading;\r\nusing Python.Runtime;\r\nClass program\r\n{\r\npublic static void Main(string[] args)\r\n{\r\nvar virtualpath=\"Specify the Path\";\r\nRuntime.PythonDLL=\"Specify the DLL path\";\r\n.///....Set Environment Variables...\r\nPythonEngine.PythonPath=\"pythonpath\"+\"Environment Variables path\";\r\nPythonEngine.PythonHome=virtualpath;\r\nPythonEngine.Initialize();\r\n// Creating Threads..\r\nThread thread1=new Thread(() =\u003e RunCode(\"Executing From Thread1\");\r\nThread thread2=new Thread(() =\u003e RunCode(\"Executing From Thread2\");\r\n\r\nthread1.Start();\r\nthread2.Start();\r\n\r\nthread1.join();\r\nthread2.join();\r\n//Shutdown PythonEngine\r\nPythonEnginer.ShutDown();\r\n}\r\nstatic void RunCode(string threadName)\r\n{\r\ntry\r\n{\r\nusing(Py.GIL())\r\n{\r\ndynamic math=Py.Import(\"math\");\r\ndouble sqrtResult=math.sqrt(36);\r\ndouble powResult=math.pow(2,3);\r\n//print results\r\nConsole.WriteLine($\"{threadName}: sqrt(25)={sqrtResult}, 2^3={powResult});\r\nConsole.ReadLine();\r\n}\r\n\r\n}\r\ncatch(Exception ex)\r\n{\r\nConsole.WriteLine(ex.string());\r\n}\r\n}\r\n}\r\n\r\n\r\nAdditional Details:\r\n1) I'm not getting any errors while reaching \"Py.GIL\", getting blank screen.\r\n\r\nQuestions:\r\n\r\nHow can i execute multiple GIL in parallel to handle python local invocation for different use cases..\r\nI am grateful for any suggestions or insights into resolving this issue.\r\n","author":{"url":"https://github.com/YogesGovindaraj","@type":"Person","name":"YogesGovindaraj"},"datePublished":"2025-01-07T06:48:03.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/2541/pythonnet/issues/2541"}