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On 14 Sep 2015 11:17, VÃclav Haisman wrote: > I am trying to use the `__attribute__ ((__constructor__ ((prio))))` > GCC attribute to initialize my library early, if possible. What > concerns me is that I do not know what what priority I can safely use > so that libc is reliably initialized before my library, for obvious > reasons. So, the question is, at what priority is libc itself > initialized in the terms of this attribute? i thought this was documented somewhere, but i guess it's only indirectly so through compile-time warnings. as long as you use a prio >= 101 (so values 0 through 100 are reserved), you should be fine. -mike
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