Gtkmm-forge digest, Vol 1 #857 - 3 msgs

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Today's Topics:

   1. [Bug 163765] Glib::Dispatcher crash (bugzilla-daemon bugzilla gnome org)
   2. [Bug 164852] New: non extern "C" callbacks (bugzilla-daemon bugzilla gnome org)
   3. [Bug 164852] non extern "C" callbacks (bugzilla-daemon bugzilla gnome org)

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Message: 1
From: bugzilla-daemon bugzilla gnome org
To: gtkmm-forge lists sourceforge net
Cc: 
Date: Fri, 21 Jan 2005 02:57:17 -0500 (EST)
Subject: [gtkmm bugzilla] [Bug 163765] Glib::Dispatcher crash

Please DO NOT reply to this by email. All additional comments should be made in
the comments box of this bug report.

 http://bugzilla.gnome.org/show_bug.cgi?id=163765
 glibmm | threads | Ver: 2.4.x





------- Additional Comments From Murray Cumming  2005-01-21 02:57 -------
We really need a test case for this, as simple as possible, and compileable.

------- You are receiving this mail because: -------
You are the assignee for the bug.


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Message: 2
From: bugzilla-daemon bugzilla gnome org
To: gtkmm-forge lists sourceforge net
Cc: 
Date: Fri, 21 Jan 2005 14:37:15 -0500 (EST)
Subject: [gtkmm bugzilla] [Bug 164852] New: non extern "C" callbacks

Please DO NOT reply to this by email. All additional comments should be made in
the comments box of this bug report.

 http://bugzilla.gnome.org/show_bug.cgi?id=164852
 glibmm | build | Ver: 2.6.x

           Summary: non extern "C" callbacks
           Product: glibmm
           Version: 2.6.x
          Platform: Other
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: build
        AssignedTo: gtkmm-forge lists sourceforge net
        ReportedBy: murrayc murrayc com
                CC: all-bugs bugzilla gnome org


glibmm has several callback functions that we give to glib, where they are
defined as extern "C" functions, but most of ours are not extern "C". The SUN
Forte compiler warns about this and the Tru64 compiler calls it an error when
using its "strict_ansi" option. This might get more important in future.

Unfortunately, most of these callbacks are static member functions, which can
not be extern "C". Changing them to separate functions means declaring them as
friend functions [1] to the class, and, because of the need to declare functions
before declaring them as friends, we often have to expose these functions as
public API, without the help of a private: or protected: keyword.

[1]: Though we could put these functions into an anonymous namespace, to prevent
them being exported as public API, we then have to way to refer to that
namespace in the "friend void some_function(int)" friend declaration.

The attached patch fixes some of this, as described, but it is not pretty.

------- You are receiving this mail because: -------
You are the assignee for the bug.


--__--__--

Message: 3
From: bugzilla-daemon bugzilla gnome org
To: gtkmm-forge lists sourceforge net
Cc: 
Date: Fri, 21 Jan 2005 15:05:08 -0500 (EST)
Subject: [gtkmm bugzilla] [Bug 164852] non extern "C" callbacks

Please DO NOT reply to this by email. All additional comments should be made in
the comments box of this bug report.

 http://bugzilla.gnome.org/show_bug.cgi?id=164852
 glibmm | build | Ver: 2.6.x





------- Additional Comments From Murray Cumming  2005-01-21 15:05 -------
Created an attachment (id=36347)
 --> (http://bugzilla.gnome.org/attachment.cgi?id=36347&action=view)
externc.patch

Fixes half of the extern "C" problems, often badly.

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You are the assignee for the bug.



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