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…ount (#331) expose the existing os-layer redirected spawn as a Child-returning exec wrapper (stdout/stderr fds, stdin inherited), add a POSIX wait(-1)-shaped exec.wait_any returning the reaped child's handle, and add os.cpu_count: linux popcounts the sched_getaffinity mask (honouring taskset/cgroup cpusets), darwin reads hw.ncpu via __sysctl, windows uses GetActiveProcessorCount(ALL_PROCESSOR_GROUPS). all three never report less than 1. groundwork for the parallel mach test runner (briar-systems/mach#1791). Claude-Session: https://claude.ai/code/session_011wvvqFRodZG3ZgLqerptnr
feat(process): public exec.spawn_redirected + exec.wait_any; os.cpu_count
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Sweep dev → main: public
exec.spawn_redirected+exec.wait_anyandos.cpu_count(#331, PR #332) — the mach-std side of briar-systems/mach#1788's parallel test runner (briar-systems/mach#1791). mach consumes this via amach.lockbump.🤖 Generated with Claude Code
https://claude.ai/code/session_011wvvqFRodZG3ZgLqerptnr