diff options
| -rw-r--r-- | ChangeLog | 4 | ||||
| -rw-r--r-- | test/ruby/test_process.rb | 24 |
2 files changed, 28 insertions, 0 deletions
@@ -1,3 +1,7 @@ +Sun Jul 5 09:31:40 2015 Eric Wong <e@80x24.org> + + * test/ruby/test_process.rb: test for fd=3 usability in child + Sat Jul 4 19:43:31 2015 SHIBATA Hiroshi <hsbt@ruby-lang.org> * Add test case for empty array and first method with args. diff --git a/test/ruby/test_process.rb b/test/ruby/test_process.rb index a43dcf475c..cb9440c836 100644 --- a/test/ruby/test_process.rb +++ b/test/ruby/test_process.rb @@ -2029,4 +2029,28 @@ EOS } assert_equal(th, x) end if defined?(fork) + + def test_exec_fd_3_redirect + # ensure we can redirect anything to fd=3 in a child process. + # fd=3 is a commonly reserved FD for the timer thread pipe in the + # parent, but fd=3 is the first FD used by the sd_listen_fds function + # for systemd + assert_separately(['-', RUBY], <<-INPUT, timeout: 60) + ruby = ARGV.shift + begin + a = IO.pipe + b = IO.pipe + pid = fork do + exec ruby, '-e', 'print IO.for_fd(3).read(1)', 3 => a[0], 1 => b[1] + end + b[1].close + a[0].close + a[1].write('.') + assert_equal ".", b[0].read(1) + ensure + a.each(&:close) if a + b.each(&:close) if b + end + INPUT + end if defined?(fork) end |