[Mono-bugs] [Bug 674098] New: [PATCH] Possible hang in ClipboardAvailableFormats in XplatUIX11.cs, if clipboard source application closes down.

[bugzilla_noreply at novell.com]

https://bugzilla.novell.com/show_bug.cgi?id=674098

https://bugzilla.novell.com/show_bug.cgi?id=674098#c0


           Summary: [PATCH] Possible hang in ClipboardAvailableFormats in
                    XplatUIX11.cs, if clipboard source application closes
                    down.
    Classification: Mono
           Product: Mono: Class Libraries
           Version: 2.8.x
          Platform: Other
        OS/Version: Other
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: Windows.Forms
        AssignedTo: mono-bugs at lists.ximian.com
        ReportedBy: tom_hindle at sil.org
         QAContact: mono-bugs at lists.ximian.com
          Found By: ---
           Blocker: ---


Created an attachment (id=415584)
 --> (http://bugzilla.novell.com/attachment.cgi?id=415584)
Patch that fixes ClipboardAvailableFormats never returning in some instances.

User-Agent:       Mozilla/5.0 (X11; U; Linux x86_64; en-US) AppleWebKit/532.5
(KHTML, like Gecko) Chrome/4.0.249.43 Safari/532.5

an example where this problem may occur:

1. An mono Winforms application is checking clipboard status using its
Application.Idle (eg. calling Clipboard.ContainsText()).
2. A user copies some data from a second application then closes down the
application.
3. If mono Winforms application was in the ContainsText method call, when the
second application closes, then WinForm application may hang.

Attaching a patch which fixes this issue. (I will wait for this to be tested
extensively before committing this patch)


Reproducible: Always

Steps to Reproduce:
1.
2.
3.

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