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authorkosaki <kosaki@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2011-03-04 16:38:34 +0000
committerkosaki <kosaki@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2011-03-04 16:38:34 +0000
commitc0359f81764e30ad041b152aeea1a2c0a95c3ccb (patch)
treefa7f805dedc13b163e2eb926282700070636ed74 /test
parent1d6bd86acd77ad4dde428ca53878ae0b24b487ed (diff)
* io.c (io_cntl, nogvl_io_cntl): IO.fcntl() and IO.ioctl()
release GVL during calling kernel interface. Suggested by Eric Wong. [ruby-core:35417][Bug #4463] * test/ruby/test_io.rb (TestIO#test_fcntl_lock): add new test for IO.fcntl(). git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31025 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test')
-rw-r--r--test/ruby/test_io.rb34
1 files changed, 34 insertions, 0 deletions
diff --git a/test/ruby/test_io.rb b/test/ruby/test_io.rb
index 6cc2897f5f..a0f1569895 100644
--- a/test/ruby/test_io.rb
+++ b/test/ruby/test_io.rb
@@ -1776,4 +1776,38 @@ End
end
end
end
+
+
+ if /x86_64-linux/ =~ RUBY_PLATFORM # A binary form of struct flock depend on platform
+ F_WRLCK = 1
+ F_UNLCK = 2
+ SEEK_SET = 0
+
+ def test_fcntl_lock
+ pad = 0
+ flocktype = "s!s!s!s!L!L!i!"
+
+ Tempfile.open(self.class.name) do |f|
+ r, w = IO.pipe
+ pid = fork do
+ r.close
+ lock = [F_WRLCK, SEEK_SET, pad, pad, 0, 0, 0].pack(flocktype)
+ f.fcntl Fcntl::F_SETLKW, lock
+ w.syswrite "."
+ sleep
+ end
+ w.close
+ assert_equal ".", r.read(1)
+ r.close
+ pad = 0
+ getlock = [F_WRLCK, 0, pad, pad, 0, 0, 0].pack(flocktype)
+ f.fcntl Fcntl::F_GETLK, getlock
+
+ ptype, whence, pad, pad, start, len, lockpid = getlock.unpack(flocktype)
+ assert_equal(pid, lockpid)
+ Process.kill :TERM, pid
+ Process.waitpid2(pid)
+ end
+ end
+ end
end