Re: ?? warning: ANSI C++ forbids implicit conversion from `void *' in argument passing

[Sven Neumann <sven gimp org>]

Hi,

Chris Seberino <seberino spawar navy mil> writes:

>    pthread_t thread;
> 
>    pthread_create(&thread, NULL, (void*) &doSimulation, NULL);
> 
> Help! I trying to assign a function to a thread in my amateur
> PThread calls above.  Without (void*) before function name I get
> an error and WITH (void*) I get following warning:
> 
> warning: ANSI C++ forbids implicit conversion from `void *' in argument passing
> 
> This would all be harmless except I believe newer GTK+
> or something in my Linux distro upgrade causes BOTH
> (with and without (void*)) to return an error!!!
> 
> NEITHER WORKS!!
> 
> Is there someway to fix this to avoid errors and warnings??

yes, make doSimulation a void * function that takes a void * parameter:

 static void * doSimulation (void *data);

or the equivalent glib-style

 static gpointer doSimulation (gpointer data);


Salut, Sven