Hi. Here are two questions whose answer is not in the doc and (according to me) should be: Is it safe to assume that sources IDs returned by g_source_attach or derived functions are never 0? As far as I can see in the source, it is safe until a 32-bits integer overflow. The reason to want to know it is to be able to pack the information 'I have set up a timeout' along with the source ID necessary to cancel it. Is it safe to interrupt gdk_pixbuf_scale, with some sort of pthread_cancel for example? Regards, -- Nicolas George
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