Alfred Perlstein wrote:
> Is '__dead2' a GNU C thing? or is in any sort of standard?
See /usr/include/sys/cdefs.h
__dead2 is defined to __attribute__((__noreturn__)) if a suitable
version of GCC is being used.
> Generally there's some resistance to putting GNU C specific
> code into the base system, is there a portable way to do this?
It's not actually gcc-specific code, its more of a hint to the compiler
to not warn about something like, main() "falling off the end" when
there is actually an exit(0); at the end of it. If GCC knows exit()
never returns to its caller it doesnt warn.
--
-farooq
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