[Mono-bugs] [Bug 650546] MonoMac crash with a binding using a callback

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https://bugzilla.novell.com/show_bug.cgi?id=650546

https://bugzilla.novell.com/show_bug.cgi?id=650546#c2


--- Comment #2 from Geoff Norton <gnorton at novell.com> 2010-12-02 03:29:01 UTC ---
I must have had a bad repo in #c1 since I dont see that any more.  Simpler
repo:

Working ObjC:

#include <stdio.h>
#import <Cocoa/Cocoa.h>
#include <objc/runtime.h>

int main (int argc, char **argv) {
        id f = objc_msgSend (objc_getClass ("NSEvent"), sel_registerName
("addGlobalMonitorForEventsMatchingMask:handler:"), (uint) 11, 0x0);

        printf ("%p\n", f);

        return 0;
}

Failing C#:


using System;
using System.Runtime.InteropServices;
using MonoMac.AppKit;
using MonoMac.ObjCRuntime;

class T {
        static void Main (string [] args) {
                NSApplication.Init ();
                objc_msgSend (Class.GetHandle ("NSEvent"), Selector.GetHandle
("addGlobalMonitorForEventsMatchingMask:handler:"), (uint) 11, IntPtr.Zero);
        }

        [DllImport ("/usr/lib/libobjc.dylib")]
        extern static IntPtr objc_msgSend (IntPtr k, IntPtr s, uint mask,
IntPtr block);
}

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