Well, that solves the problem. Thank you for the help.
On Thu, Nov 9, 2017 at 7:45 PM, Jim Ingham wrote:
> Xcode (on OS X) uses the lldb API to launch processes of all sorts including
> ones that have widows, and has windows open, so this is not a general lldb
> problem.
>
> lldb doesn’t do all that much magic to launch processes, it just calls
> posix_spawnp (on OS X) or fork & exec on Linux. I would be surprised it it
> is something special about lldb’s launching. OTOH since you are only passing
> XDG_RUNTIME_DIR, there’s some environment variable that specifies the window
> server connection that you’re missing. I haven’t done X11 programming for
> ages, but don’t you need to pass DISPLAY? Anyway, you might try to pass all
> the variables from your process to the process you are launching and see if
> that works.
>
> Jim
>
>
>> On Nov 9, 2017, at 6:19 PM, Jeremiah via lldb-dev
>> wrote:
>>
>> When using the LLDB API to launch a process from within a program that
>> has opened a window, I am unable to open a window in the child
>> process. When the child is using SDL I get "SDL Error: No available
>> video device" and when the child is using GLX I get "Failed to open X
>> display"
>>
>> I was also getting "error: XDG_RUNTIME_DIR not set in the environment"
>> but I solved that by setting XDG_RUNTIME_DIR appropriately. However,
>> this did not fix the window problem.
>>
>> I also wrote a small test case to demonstrate the problem I'm having
>> and I hosted it here:
>> https://github.com/CaptainKraft/lldb-bug/blob/master/main.cpp
>>
>> Posting the source in the email thread didn't seem like the best
>> approach, but if you'd like the source via email, I'll be happy to
>> reply with it.
>>
>> There are probably a few ways to get around this issue by launching
>> the process myself and attaching using the LLDB API, but it seems to
>> me like there would be a way to do this by using just the API. It
>> would also make the code more difficult to maintain across multiple
>> platforms.
>>
>> Is there some way I can use the LLDB API to launch a process without
>> preventing the child from opening a window?
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