1 files changed, 45 insertions, 0 deletions
diff --git a/spec/ruby/core/process/fixtures/kill.rb b/spec/ruby/core/process/fixtures/kill.rb
new file mode 100644
index 0000000000..0b88f8ee1f
--- /dev/null
+++ b/spec/ruby/core/process/fixtures/kill.rb
@@ -0,0 +1,45 @@
+require 'thread'
+
+pid_file = ARGV.shift
+scenario = ARGV.shift
+
+# We must do this first otherwise there will be a race with the process that
+# creates this process and the TERM signal below could go to that process
+# instead, which will likely abort the specs process.
+Process.setsid if scenario
+
+mutex = Mutex.new
+
+Signal.trap(:TERM) do
+  if mutex.try_lock
+    STDOUT.puts "signaled"
+    STDOUT.flush
+    $signaled = true
+  end
+end
+
+File.open(pid_file, "wb") { |f| f.puts Process.pid }
+
+if scenario
+  # We are sending a signal to the process group
+  process = "Process.getpgrp"
+
+  case scenario
+  when "self"
+    signal = %["SIGTERM"]
+    process = "0"
+  when "group_numeric"
+    signal = %[-Signal.list["TERM"]]
+  when "group_short_string"
+    signal = %["-TERM"]
+  when "group_full_string"
+    signal = %["-SIGTERM"]
+  else
+    raise "unknown scenario: #{scenario.inspect}"
+  end
+
+  code = "Process.kill(#{signal}, #{process})"
+  system(ENV["RUBY_EXE"], *ENV["RUBY_FLAGS"].split(' '), "-e", code)
+end
+
+sleep 0.001 until mutex.locked? and $signaled