Color sharable question regarding gdk_colormap_alloc_color()

["DC A" <adc4444 hotmail com>]

In api it says if gboolean writable argument is set to TRUE for 
gdk_colormap_alloc_color() function then that color cannot be shared between 
applications. I created an application main.c and allocate color with above 
mentioned function with the writable argument set to TRUE. After compilation 
and linking when i run the same program in two separate terminals I can draw 
a pie chart with the same color on both application. How is it possible? 
Shouldn't it complain(as colors should not be sharable)? Can anyone kindly 
shed light on this?

Thanks.

--DC

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