<div dir="ltr">Hi Vincent,<div class="gmail_extra"><br><div class="gmail_quote">On Sat, Apr 14, 2018 at 2:05 PM, <span dir="ltr"><<a href="mailto:Vincent.Blondeau@lamresearch.com" target="_blank">Vincent.Blondeau@lamresearch.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;border-left-color:rgb(204,204,204);padding-left:1ex"> <br>
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<p class="MsoNormal">Hi,<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">I would like to know from inside the image whether the ST image is a console executable, e.g. PharoConsole.exe vs Pharo.exe (Related to this pull request:
<a href="https://github.com/pharo-project/pharo/pull/694" target="_blank">https://github.com/pharo-<wbr>project/pharo/pull/694</a>).<u></u><u></u></p>
<p class="MsoNormal">The solution is to add a primitive inside the VM but I have no idea where I should look for…<u></u><u></u></p>
<p class="MsoNormal">Could someone give me some pointers?</p></div></div></blockquote><div><br></div><div>A quick hack would be to use system attribute 0, the name of the executable:</div><div><br></div><div>Smalltalk getSystemAttribute: 0 '/Users/eliot/oscogvm/build.macos64x64/squeak.cog.spur/Squeak.app/Contents/MacOS/Squeak'</div><div><br></div><div>and match for Console.exe. A more thorough approach on unix is to test stdin to see if it is attached to a tty. Try this at a unix/macos terminal:</div><div><br></div><div>$ tty</div><div><div>/dev/ttys006</div><div>$ tty </dev/null<br></div><div>not a tty</div></div><div>$ man 3 ttyname</div><div>$ man 2 ioctl</div><div><br></div><div>I'm not sure how to do this on Windows. I wrote this in platforms/win32/vm/sqWin32Main.c::WinMain</div><div><br></div><div><div>#if 0 /* This way used to work. Does no longer. */</div><div> DWORD mode;</div><div><br></div><div> fIsConsole = GetConsoleMode(GetStdHandle(STD_INPUT_HANDLE), &mode);</div><div>#elif 0 /* This does /not/ work with STD_INPUT_HANDLE or STD_OUTPUT_HANDLE */</div><div> CONSOLE_SCREEN_BUFFER_INFO csbi;</div><div><br></div><div> if ((fIsConsole = GetConsoleScreenBufferInfo</div><div> (GetStdHandle(STD_INPUT_HANDLE), &csbi)))</div><div> fIsConsole = csbi.dwCursorPosition.X || csbi.dwCursorPosition.Y;</div><div>#else /* This /does/ work; see */</div><div> /* <a href="https://stackoverflow.com/questions/9009333/how-to-check-if-the-program-is-run-from-a-console">https://stackoverflow.com/questions/9009333/how-to-check-if-the-program-is-run-from-a-console</a> */</div><div> HWND consoleWnd = GetConsoleWindow();</div><div> DWORD dwProcessId;</div><div> GetWindowThreadProcessId(consoleWnd, &dwProcessId);</div><div> fIsConsole = GetCurrentProcessId() != dwProcessId;</div><div>#endif</div></div><div><br></div><div>but it seems like a hack to me. I'd love to know what the approved future proof way is.</div><div><br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;border-left-color:rgb(204,204,204);padding-left:1ex"><div lang="EN-US"><div class="gmail-m_6659426987241379527WordSection1"><p class="MsoNormal"><u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">Thanks in advance!<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">Cheers,<u></u><u></u></p>
<p class="MsoNormal"><b><span style="font-size:10.5pt;color:gray">Vincent Blondeau
<br>
</span></b><span style="font-size:10.5pt;color:gray">Software Engineer, Software and Controls | Global Product Group
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Desk +1 510.572.7499<u></u><u></u></span></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<br></blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature"><div dir="ltr"><div><span style="font-size:small;border-collapse:separate"><div>_,,,^..^,,,_<br></div><div>best, Eliot</div></span></div></div></div>
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