Jelle Raaijmakers 5b03b62518 Kernel: Only call Process::die() once on terminating signal ...

Previously, when e.g. the `SIGABRT` signal was sent to a process,
`Thread::dispatch_signal()` would invoke
`Process::terminate_due_to_signal()` which would then `::die()`. The
result `DispatchSignalResult::Terminate` is then returned to
`Thread::check_dispatch_pending_signal()` which proceeds to invoke
`Process::die()` a second time.

Change the behavior of `::check_dispatch_pending_signal()` to no longer
call `Process::die()` if it receives `::Terminate` as a signal handling
result, since that indicates that the process was already terminated.

This fixes #7289.

2021-06-14 16:27:37 +02:00

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