diff options
| -rw-r--r-- | spec/ruby/core/process/spawn_spec.rb | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/spec/ruby/core/process/spawn_spec.rb b/spec/ruby/core/process/spawn_spec.rb index 46faced3e4..06ad9a2518 100644 --- a/spec/ruby/core/process/spawn_spec.rb +++ b/spec/ruby/core/process/spawn_spec.rb @@ -331,9 +331,19 @@ describe "Process.spawn" do it "joins the specified process group if pgroup: pgid" do pgid = Process.getpgid(Process.pid) - -> do - Process.wait Process.spawn(ruby_cmd("print Process.getpgid(Process.pid)"), pgroup: pgid) - end.should output_to_fd(pgid.to_s) + # The process group is not available on all platforms. + # See "man proc" - /proc/[pid]/stat - (5) pgrp + # In Travis arm64 environment, the value is 0. + # + # $ cat /proc/[pid]/stat + # 19179 (ruby) S 19160 0 0 ... + unless pgid.zero? + -> do + Process.wait Process.spawn(ruby_cmd("print Process.getpgid(Process.pid)"), pgroup: pgid) + end.should output_to_fd(pgid.to_s) + else + skip "The process group is not available." + end end it "raises an ArgumentError if given a negative :pgroup option" do |