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41aac87234
If any of the early boot-up tasks calls exit () or returns from main (), terminate it properly instead of crashing on trying to dereference _hurd_ports and getting forcibly terminated by the kernel. We sadly cannot make the __USEPORT macro do the check for _hurd_ports being unset, because it evaluates to the value of the expression provided as the second argument, and that can be of any type; so there is no single suitable fallback value for the macro to evaluate to in case _hurd_ports is unset. Instead, each use site that wants to care for this case will have to do its own checking. Checked on x86_64-gnu. Signed-off-by: Sergey Bugaev <bugaevc@gmail.com> Message-Id: <20230429131354.2507443-4-bugaevc@gmail.com> |
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| x86_64 | ||