Merge commit '36c66dd290d3ce6eb1ccd310d0c658d4a32bb8eb' as 'repos/effect'

repos/effect/packages/platform-node-shared/test/fixtures/bash/spawn-children.sh

@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+
+# This script spawns child processes to test process group cleanup
+echo "Parent process started with PID $$"
+
+# Spawn multiple child processes
+for i in {1..3}; do
+  (
+    # Child process
+    child_pid=$BASHPID
+    echo "Child $i started with PID $child_pid"
+
+    # Spawn a grandchild that runs for a long time
+    (
+      grandchild_pid=$BASHPID
+      echo "Grandchild of child $i started with PID $grandchild_pid"
+      # Keep running for 60 seconds
+      for j in {1..60}; do
+        sleep 1
+      done
+    ) &
+
+    # Keep the child running
+    for j in {1..60}; do
+      sleep 1
+    done
+  ) &
+done
+
+# Keep the parent running
+echo "Parent process waiting..."
+wait