arm64: detach launchd into its own session - #15
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On ARM64 launchd's early startup broadcasts signals via kill(0/-1, ...) and killpg(0, ...). These propagate back to darlingserver / darling-wrapper / timeout because they share the same pgrp by default, killing the whole test harness. Call setsid() before exec'ing launchd so signals stay contained. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
…atch; dedup clock decls
* dtape_thread_save_state_to_user: restore the `} else` chaining the x86
block to the arm64 case so x86_64 no longer falls through to -ENOSYS
after copying state (matches dtape_thread_load_state_from_user).
* thread_{set,get}_state_internal ARM_THREAD_STATE: dispatch on count --
arm_unified_thread_state_t for unified callers (objc/WebKit), bare
arm_thread_state64_t for Darling-internal RPC paths -- mirroring XNU's
osfmk/arm64/status.c instead of always casting to a bare ts_64.
* timer.c / rtclock_arm64.c: factor the duplicated CLOCK_MONOTONIC /
struct timespec / clock_gettime declarations into a shared
duct-tape/src/linux_clock.h.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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On ARM64 launchd's early startup broadcasts signals via
kill(0/-1, ...)andkillpg(0, ...). These propagate back todarlingserver/ thedarlingwrapper /timeoutbecause they share the same pgrp by default, killing the whole test harness.Call
setsid()after the fork-and-before-execve point oflaunchd, so launchd's process group is fresh and its signal broadcasts stay contained. Warn-and-continue on failure.Part of the ARM64 support series; the umbrella PR in
darlinghq/darlingreferences the rest.