spec: skip Process wait specs on MJIT

until [Bug #14867] is fixed. I want to start running CI with MJIT
enabled before fixing the problem.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63731 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

spec/ruby/core/process/wait_spec.rb

@@ -12,79 +12,81 @@ describe "Process.wait" do
     end
   end
 
-  it "raises an Errno::ECHILD if there are no child processes" do
-    lambda { Process.wait }.should raise_error(Errno::ECHILD)
-  end
-
-  platform_is_not :windows do
-    it "returns its childs pid" do
-      pid = Process.spawn(ruby_cmd('exit'))
-      Process.wait.should == pid
+  without_feature :mjit do # [Bug #14867]
+    it "raises an Errno::ECHILD if there are no child processes" do
+      lambda { Process.wait }.should raise_error(Errno::ECHILD)
     end
 
-    it "sets $? to a Process::Status" do
-      pid = Process.spawn(ruby_cmd('exit'))
-      Process.wait
-      $?.should be_kind_of(Process::Status)
-      $?.pid.should == pid
-    end
-
-    it "waits for any child process if no pid is given" do
-      pid = Process.spawn(ruby_cmd('exit'))
-      Process.wait.should == pid
-      lambda { Process.kill(0, pid) }.should raise_error(Errno::ESRCH)
-    end
-
-    it "waits for a specific child if a pid is given" do
-      pid1 = Process.spawn(ruby_cmd('exit'))
-      pid2 = Process.spawn(ruby_cmd('exit'))
-      Process.wait(pid2).should == pid2
-      Process.wait(pid1).should == pid1
-      lambda { Process.kill(0, pid1) }.should raise_error(Errno::ESRCH)
-      lambda { Process.kill(0, pid2) }.should raise_error(Errno::ESRCH)
-    end
-
-    it "coerces the pid to an Integer" do
-      pid1 = Process.spawn(ruby_cmd('exit'))
-      Process.wait(mock_int(pid1)).should == pid1
-      lambda { Process.kill(0, pid1) }.should raise_error(Errno::ESRCH)
-    end
-
-    # This spec is probably system-dependent.
-    it "waits for a child whose process group ID is that of the calling process" do
-      pid1 = Process.spawn(ruby_cmd('exit'), pgroup: true)
-      pid2 = Process.spawn(ruby_cmd('exit'))
-
-      Process.wait(0).should == pid2
-      Process.wait.should == pid1
-    end
-
-    # This spec is probably system-dependent.
-    it "doesn't block if no child is available when WNOHANG is used" do
-      read, write = IO.pipe
-      pid = Process.fork do
-        read.close
-        Signal.trap("TERM") { Process.exit! }
-        write << 1
-        write.close
-        sleep
+    platform_is_not :windows do
+      it "returns its childs pid" do
+        pid = Process.spawn(ruby_cmd('exit'))
+        Process.wait.should == pid
       end
 
-      Process.wait(pid, Process::WNOHANG).should be_nil
+      it "sets $? to a Process::Status" do
+        pid = Process.spawn(ruby_cmd('exit'))
+        Process.wait
+        $?.should be_kind_of(Process::Status)
+        $?.pid.should == pid
+      end
 
-      # wait for the child to setup its TERM handler
-      write.close
-      read.read(1)
-      read.close
+      it "waits for any child process if no pid is given" do
+        pid = Process.spawn(ruby_cmd('exit'))
+        Process.wait.should == pid
+        lambda { Process.kill(0, pid) }.should raise_error(Errno::ESRCH)
+      end
 
-      Process.kill("TERM", pid)
-      Process.wait.should == pid
-    end
+      it "waits for a specific child if a pid is given" do
+        pid1 = Process.spawn(ruby_cmd('exit'))
+        pid2 = Process.spawn(ruby_cmd('exit'))
+        Process.wait(pid2).should == pid2
+        Process.wait(pid1).should == pid1
+        lambda { Process.kill(0, pid1) }.should raise_error(Errno::ESRCH)
+        lambda { Process.kill(0, pid2) }.should raise_error(Errno::ESRCH)
+      end
 
-    it "always accepts flags=0" do
-      pid = Process.spawn(ruby_cmd('exit'))
-      Process.wait(-1, 0).should == pid
-      lambda { Process.kill(0, pid) }.should raise_error(Errno::ESRCH)
+      it "coerces the pid to an Integer" do
+        pid1 = Process.spawn(ruby_cmd('exit'))
+        Process.wait(mock_int(pid1)).should == pid1
+        lambda { Process.kill(0, pid1) }.should raise_error(Errno::ESRCH)
+      end
+
+      # This spec is probably system-dependent.
+      it "waits for a child whose process group ID is that of the calling process" do
+        pid1 = Process.spawn(ruby_cmd('exit'), pgroup: true)
+        pid2 = Process.spawn(ruby_cmd('exit'))
+
+        Process.wait(0).should == pid2
+        Process.wait.should == pid1
+      end
+
+      # This spec is probably system-dependent.
+      it "doesn't block if no child is available when WNOHANG is used" do
+        read, write = IO.pipe
+        pid = Process.fork do
+          read.close
+          Signal.trap("TERM") { Process.exit! }
+          write << 1
+          write.close
+          sleep
+        end
+
+        Process.wait(pid, Process::WNOHANG).should be_nil
+
+        # wait for the child to setup its TERM handler
+        write.close
+        read.read(1)
+        read.close
+
+        Process.kill("TERM", pid)
+        Process.wait.should == pid
+      end
+
+      it "always accepts flags=0" do
+        pid = Process.spawn(ruby_cmd('exit'))
+        Process.wait(-1, 0).should == pid
+        lambda { Process.kill(0, pid) }.should raise_error(Errno::ESRCH)
+      end
     end
   end
 end