FEATURE: add Landlock.capture API#2
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Expose capture/capture! as the supported subprocess capture interface and replace the legacy SafeExec facade with shared execution, policy, environment, rlimit, and process I/O helpers. Route exec, spawn, and capture through the packaged native helper when possible to avoid forking large Ruby processes, with a fork runner fallback for oversized helper argv. Harden the helper with fd cleanup, deferred rlimit application, scoped/path rules, shared seccomp network denial, and stricter parsing. Update docs, changelog, benchmarks, formatting, and tests for the 0.3 release.
Use append_cppflags to add _GNU_SOURCE instead of manually rebuilding CPPFLAGS. This keeps extconf aligned with mkmf conventions and avoids custom flag parsing.
tgxworld
approved these changes
Jun 17, 2026
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Expose capture/capture! as the supported subprocess capture
interface and replace the legacy SafeExec facade with shared
execution, policy, environment, rlimit, and process I/O helpers.
Route exec, spawn, and capture through the packaged native helper
when possible to avoid forking large Ruby processes, with a fork
runner fallback for oversized helper argv. Harden the helper with fd
cleanup, deferred rlimit application, scoped/path rules, shared
seccomp network denial, and stricter parsing.
Update docs, changelog, benchmarks, formatting, and tests for the
0.3 release.