Matthias Krüger 3feab00093
Rollup merge of #113939 - the8472:pidfd-from-child, r=Mark-Simulacrum
open pidfd in child process and send to the parent via SOCK_SEQPACKET+CMSG

This avoids using `clone3` when a pidfd is requested while still getting it in a 100% race-free manner by passing it up from the child process.
This should solve most concerns in #82971
2023-08-09 06:32:24 +02:00
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