chore: import upstream snapshot with attribution

python/ray/tests/test_exported_symbols_linux.sh

@@ -0,0 +1,34 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+if ! command -v nm >/dev/null 2>&1; then
+  echo "nm not found on PATH"
+  exit 1
+fi
+
+os="$(uname -s)"
+case "${os}" in
+  Linux)
+    golden="${TEST_SRCDIR}/io_ray/python/ray/tests/raylet_exported_symbols_linux.txt"
+    nm_args=(-D --defined-only -g)
+    ;;
+  Darwin)
+    golden="${TEST_SRCDIR}/io_ray/python/ray/tests/raylet_exported_symbols_macos.txt"
+    nm_args=(-gUj)
+    ;;
+  *)
+    exit 0
+    ;;
+esac
+
+raylet_so="${TEST_SRCDIR}/io_ray/python/ray/_raylet.so"
+if [[ ! -f "${raylet_so}" ]]; then
+  echo "Cannot find _raylet.so in runfiles"
+  exit 1
+fi
+
+symbols_non_ray="${TEST_TMPDIR}/raylet_exported_symbols.non_ray.txt"
+symbols_original="${TEST_TMPDIR}/raylet_exported_symbols.original.txt"
+nm "${nm_args[@]}" "${raylet_so}" | awk '{print $NF}' > "${symbols_original}"  # keep symbol names only
+grep -v '3ray' "${symbols_original}" > "${symbols_non_ray}"  # drop Ray mangled symbols; check only non-Ray leaks
+diff -u <(sort "${golden}") <(sort "${symbols_non_ray}")