[Bug 45363] New: CreateToolhelp32Snapshot(TH32CS_SNAPMODULE, 0) return empty snapshot

https://bugs.winehq.org/show_bug.cgi?id=45363

Bug ID: 45363
           Summary: CreateToolhelp32Snapshot(TH32CS_SNAPMODULE, 0) return
                    empty snapshot
           Product: Wine-staging
           Version: 3.7
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: major
          Priority: P2
         Component: -unknown
          Assignee: [e-mail]
          Reporter: [e-mail]
                CC: [e-mail], [e-mail]
      Distribution: ---

function CreateToolhelp32Snapshot sometimes returns an empty snapshot, while in
Windows this function works correctly

[Bug 45363] CreateToolhelp32Snapshot(TH32CS_SNAPMODULE, 0) return empty snapshot

https://bugs.winehq.org/show_bug.cgi?id=45363

[e-mail] changed:

What    |Removed                     |Added
----------------------------------------------------------------------------
       Distribution|---                         |ArchLinux

[Bug 45363] CreateToolhelp32Snapshot(TH32CS_SNAPMODULE, 0) return empty snapshot

https://bugs.winehq.org/show_bug.cgi?id=45363

Alistair Leslie-Hughes  changed:

What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|-unknown                    |kernel32
            Product|Wine-staging                |Wine

[Bug 45363] CreateToolhelp32Snapshot(TH32CS_SNAPMODULE, 0) return empty snapshot

https://bugs.winehq.org/show_bug.cgi?id=45363

Fabian Maurer  changed:

What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |[e-mail]

--- Comment #1 from Fabian Maurer  ---
What does "sometimes" mean? Is there a pattern to it, do you know a way to
reproduce the issue? Because I couldn't.

[Bug 45363] CreateToolhelp32Snapshot(TH32CS_SNAPMODULE, 0) return empty snapshot

https://bugs.winehq.org/show_bug.cgi?id=45363

--- Comment #2 from [e-mail] ---
(In reply to Fabian Maurer from comment #1)
> What does "sometimes" mean? Is there a pattern to it, do you know a way to
> reproduce the issue? Because I couldn't.

Unfortunately I do not know how to reproduce the problem. There is a game for
which I write DLL (compile MinGW GCC 7.3). In wine, everything usually works,
but sometimes when changes to DLL, even if these changes do not concern
CreateToolhelp32Snapshot, this problem appears, while the person who tests this
DLL in Windows does not show this problem.

[Bug 45363] CreateToolhelp32Snapshot(TH32CS_SNAPMODULE, 0) return empty snapshot

https://bugs.winehq.org/show_bug.cgi?id=45363

--- Comment #3 from Fabian Maurer  ---
You mean you're trying to mod a game and the dll calls
CreateToolhelp32Snapshot? For testing a minimal sample would be nice.

[Bug 45363] CreateToolhelp32Snapshot(TH32CS_SNAPMODULE, 0) return empty snapshot

https://bugs.winehq.org/show_bug.cgi?id=45363

--- Comment #4 from [e-mail] ---
(In reply to Fabian Maurer from comment #3)
> You mean you're trying to mod a game and the dll calls
> CreateToolhelp32Snapshot? For testing a minimal sample would be nice.

code for with this function: https://pastebin.com/LxR35ibX
After the next recompilation of the code, it started working in the wine,
before that it worked only in Windows.

[Bug 45363] CreateToolhelp32Snapshot(TH32CS_SNAPMODULE, 0) return empty snapshot

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=45363

Nikolay Sivov  changed:

What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|0                           |1
             Status|UNCONFIRMED                 |NEEDINFO

--- Comment #5 from Nikolay Sivov  ---
(In reply to sr-tream from comment #4)
> (In reply to Fabian Maurer from comment #3)
> > You mean you're trying to mod a game and the dll calls
> > CreateToolhelp32Snapshot? For testing a minimal sample would be nice.
>
> code for with this function: https://pastebin.com/LxR35ibX
> After the next recompilation of the code, it started working in the wine,
> before that it worked only in Windows.

Does this mean it works now for you?

[Bug 45363] CreateToolhelp32Snapshot(TH32CS_SNAPMODULE, 0) return empty snapshot

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=45363

Nikolay Sivov  changed:

What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|major                       |normal