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Closes #17290: Merged fix from 3.3.
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commit
8ff7f7207c
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@ -500,6 +500,21 @@ run_child(wchar_t * cmdline)
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STARTUPINFOW si;
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PROCESS_INFORMATION pi;
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#if defined(_WINDOWS)
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// When explorer launches a Windows (GUI) application, it displays
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// the "app starting" (the "pointer + hourglass") cursor for a number
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// of seconds, or until the app does something UI-ish (eg, creating a
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// window, or fetching a message). As this launcher doesn't do this
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// directly, that cursor remains even after the child process does these
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// things. We avoid that by doing a simple post+get message.
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// See http://bugs.python.org/issue17290 and
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// https://bitbucket.org/vinay.sajip/pylauncher/issue/20/busy-cursor-for-a-long-time-when-running
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MSG msg;
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PostMessage(0, 0, 0, 0);
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GetMessage(&msg, 0, 0, 0);
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#endif
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debug(L"run_child: about to run '%s'\n", cmdline);
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job = CreateJobObject(NULL, NULL);
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ok = QueryInformationJobObject(job, JobObjectExtendedLimitInformation,
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