userspace: switch PID 1 to busybox init#263

Merged

sysheap merged 16 commits into

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Apr 19, 2026

Commits on Apr 19, 2026

buildroot: enable busybox init and prefer /sbin/init

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net: return EAFNOSUPPORT/EPROTONOSUPPORT instead of panicking

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exec: add shebang support for script execution

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signal: implement rt_sigtimedwait for busybox init

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qemu-infra: sync on shell prompt instead of Rust-init banners

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fs: map open(/dev/console) to FileDescriptor::Tty

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syscalls: implement reboot(2) and switch shutdown test to halt for busybox init

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syscalls: stub sync(2) so busybox halt runs cleanly

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userspace: delete Rust init now that busybox is PID 1

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doc: reflect busybox as PID 1 in CLAUDE.md and doc/ai

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docs: trim bloated comments and fix stale /bin/init ref

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signal: merge PendingSignals first_unblocked/first_in into one method

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exec: peek shebang header before full-file read, route load_elf errno

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driver-api: expose CharDevice::is_tty instead of console Arc identity

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headers: bindgen LINUX_REBOOT_* constants from linux/reboot.h

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signal: replace rt_sigtimedwait waker slot with a sigtimedwait_mask

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