Willy Tarreau e8422bf56b MEDIUM: global: remove the relative_pid from global and mworker
The relative_pid is always 1. In mworker mode we also have a
child->relative_pid which is always equalt relative_pid, except for a
master (0) or external process (-1), but these types are usually tested
for, except for one place that was amended to carefully check for the
PROC_O_TYPE_WORKER option.

Changes were pretty limited as most usages of relative_pid were for
designating a process in stats output and peers protocol.
2021-06-15 16:52:42 +02:00
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