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-rw-r--r--test/lib/minitest/unit.rb13
1 files changed, 12 insertions, 1 deletions
diff --git a/test/lib/minitest/unit.rb b/test/lib/minitest/unit.rb
index e880d3654b8..2f31d6d2e9f 100644
--- a/test/lib/minitest/unit.rb
+++ b/test/lib/minitest/unit.rb
@@ -2,6 +2,7 @@
require "optparse"
require "rbconfig"
+require "-test-/dir"
##
# Minimal (mostly drop-in) replacement for test-unit.
@@ -992,7 +993,17 @@ module MiniTest
def find_fds
fd_dir = "/proc/#{$$}/fd"
if File.directory?(fd_dir)
- Dir.entries(fd_dir).grep(/\A\d+\z/).map(&:to_i).sort
+ fds = Dir.open(fd_dir) {|d|
+ a = []
+ while fn = d.read
+ a << fn
+ end
+ if d.respond_to? :fileno
+ a -= [d.fileno.to_s]
+ end
+ a
+ }
+ fds.grep(/\A\d+\z/).map(&:to_i).sort
else
[]
end