[Bug 52048] New: CreateProcess() might not spawn console for new process

WineHQ Bugzilla wine-bugs at winehq.org
Mon Nov 15 19:59:17 CST 2021


https://bugs.winehq.org/show_bug.cgi?id=52048

            Bug ID: 52048
           Summary: CreateProcess() might not spawn console for new
                    process
           Product: Wine
           Version: 6.21
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: kernel32
          Assignee: wine-bugs at winehq.org
          Reporter: colin1207 at gmx.net
      Distribution: ---

Created attachment 71059
  --> https://bugs.winehq.org/attachment.cgi?id=71059
demo programs (see description)

When launching a console application by calling CreateProcess() without any
process creation flags, wine will not spawn a new console window if the parent
process is not currently attached to a console that the child could inherit,
unless explicitly requested with the CREATE_NEW_CONSOLE flag.

Windows defaults to the behaviour of allocating a new console for the process,
even without explicit request, while wine will not.
This might break several applications that assume to have a console attached
and will crash, for example, when trying to initialize curses.

Attached is a demo application:
Running launcher.exe on windows will successfully open a console for
helloworld.exe after the CreateProcess call.
All tested wine versions however, will not allocate a new console.

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