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haiwen / seafile-client

Seafile desktop client.
http://seafile.com
Apache License 2.0
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Start ccnet and seaf-daemon without conhost.exe on Windows #922

Closed sinni800 closed 5 years ago

sinni800 commented 7 years ago

Hi,

conhost.exe is a process that is automatically attached to console applications on Windows to provide stdout and stdin to those applications. In this case these are unneeded because the user never sees those console host windows. Conhost will needlessly use RAM in this case.

Microsoft has a DETACHED_PROCESS flag as per here:

https://msdn.microsoft.com/en-us/library/windows/desktop/ms684863(v=vs.85).aspx

QProcess has a way to specify Windows-specific arguments for CreateProcess() (which is used by QProcess) as shown here: http://doc.qt.io/qt-5/qprocess.html#notes-for-windows-users

This is not a defect, it is just a suggestion that would make the program use less memory on Windows PCs

ngugcx commented 5 years ago

This feature was added in version 5.7, is there a workaround for 5.6? Thanks!

sinni800 commented 5 years ago

You would have to port the change yourself. It's not really a defect though, it's like 20 Megabytes of RAM more.

ngugcx commented 5 years ago

This feature uses std::function, but 5.6 does not enable use of C++ 11 in modules. There is no straightforward way to backport it.