diff --git a/spec/mspec/lib/mspec/guards/version.rb b/spec/mspec/lib/mspec/guards/version.rb
index 20f8c06d38..f5ea1988ae 100644
--- a/spec/mspec/lib/mspec/guards/version.rb
+++ b/spec/mspec/lib/mspec/guards/version.rb
@@ -33,6 +33,30 @@ class VersionGuard < SpecGuard
       @version >= @requirement
     end
   end
+
+  @kernel_version = nil
+  def self.kernel_version
+    if @kernel_version
+      @kernel_version
+    else
+      if v = RUBY_PLATFORM[/darwin(\d+)/, 1] # build time version
+        uname = v
+      else
+        begin
+          require 'etc'
+          etc = true
+        rescue LoadError
+          etc = false
+        end
+        if etc and Etc.respond_to?(:uname)
+          uname = Etc.uname.fetch(:release)
+        else
+          uname = `uname -r`.chomp
+        end
+      end
+      @kernel_version = uname
+    end
+  end
 end
 
 def version_is(base_version, requirement, &block)
@@ -42,3 +66,7 @@ end
 def ruby_version_is(requirement, &block)
   VersionGuard.new(VersionGuard::FULL_RUBY_VERSION, requirement).run_if(:ruby_version_is, &block)
 end
+
+def kernel_version_is(requirement, &block)
+  VersionGuard.new(VersionGuard.kernel_version, requirement).run_if(:kernel_version_is, &block)
+end
diff --git a/spec/mspec/lib/mspec/helpers/ruby_exe.rb b/spec/mspec/lib/mspec/helpers/ruby_exe.rb
index 922178dab0..7fde001cda 100644
--- a/spec/mspec/lib/mspec/helpers/ruby_exe.rb
+++ b/spec/mspec/lib/mspec/helpers/ruby_exe.rb
@@ -143,8 +143,17 @@ def ruby_exe(code = :not_given, opts = {})
     platform_is_not :opal do
       command = ruby_cmd(code, opts)
       output = `#{command}`
+      status = Process.last_status
 
-      exit_status = Process.last_status.exitstatus
+      exit_status = if status.exited?
+                      status.exitstatus
+                    elsif status.signaled?
+                      signame = Signal.signame status.termsig
+                      raise "No signal name?" unless signame
+                      :"SIG#{signame}"
+                    else
+                      raise SpecExpectationNotMetError, "#{exit_status.inspect} is neither exited? nor signaled?"
+                    end
       if exit_status != expected_status
         formatted_output = output.lines.map { |line| "  #{line}" }.join
         raise SpecExpectationNotMetError,
diff --git a/spec/mspec/lib/mspec/runner/context.rb b/spec/mspec/lib/mspec/runner/context.rb
index 62483590bb..bcd83b2465 100644
--- a/spec/mspec/lib/mspec/runner/context.rb
+++ b/spec/mspec/lib/mspec/runner/context.rb
@@ -210,6 +210,7 @@ class ContextState
               MSpec.clear_expectations
               if example
                 passed = protect nil, example
+                passed = protect nil, -> { MSpec.actions :passed, state, example } if passed
                 MSpec.actions :example, state, example
                 protect nil, EXPECTATION_MISSING if !MSpec.expectation? and passed
               end
diff --git a/spec/mspec/lib/mspec/runner/formatters/base.rb b/spec/mspec/lib/mspec/runner/formatters/base.rb
index c7c50c40d8..54a83c9c32 100644
--- a/spec/mspec/lib/mspec/runner/formatters/base.rb
+++ b/spec/mspec/lib/mspec/runner/formatters/base.rb
@@ -113,6 +113,14 @@ class BaseFormatter
   # evaluating the examples.
   def finish
     print "\n"
+
+    if MSpecOptions.latest && MSpecOptions.latest.config[:print_skips]
+      print "\nSkips:\n" unless MSpec.skips.empty?
+      MSpec.skips.each do |skip, block|
+        print "#{skip.message} in #{(block.source_location || ['?']).join(':')}\n"
+      end
+    end
+
     count = 0
     @exceptions.each do |exc|
       count += 1
diff --git a/spec/mspec/lib/mspec/runner/mspec.rb b/spec/mspec/lib/mspec/runner/mspec.rb
index 19cf59b7d2..889e085175 100644
--- a/spec/mspec/lib/mspec/runner/mspec.rb
+++ b/spec/mspec/lib/mspec/runner/mspec.rb
@@ -26,6 +26,7 @@ module MSpec
   @unload  = nil
   @tagged  = nil
   @current = nil
+  @passed = nil
   @example = nil
   @modes   = []
   @shared  = {}
@@ -36,9 +37,10 @@ module MSpec
   @repeat       = 1
   @expectation  = nil
   @expectations = false
+  @skips = []
 
   class << self
-    attr_reader :file, :include, :exclude
+    attr_reader :file, :include, :exclude, :skips
     attr_writer :repeat, :randomize
     attr_accessor :formatter
   end
@@ -116,6 +118,7 @@ module MSpec
     rescue SystemExit => e
       raise e
     rescue SkippedSpecError => e
+      @skips << [e, block]
       return false
     rescue Object => exc
       register_exit 1
@@ -241,6 +244,7 @@ module MSpec
   #   :before       before a single spec is run
   #   :add          while a describe block is adding examples to run later
   #   :expectation  before a 'should', 'should_receive', etc.
+  #   :passed       after an example block is run and passes, passed the block, run before :example action
   #   :example      after an example block is run, passed the block
   #   :exception    after an exception is rescued
   #   :after        after a single spec is run
diff --git a/spec/mspec/lib/mspec/runner/shared.rb b/spec/mspec/lib/mspec/runner/shared.rb
index 1d68365474..283711c1d7 100644
--- a/spec/mspec/lib/mspec/runner/shared.rb
+++ b/spec/mspec/lib/mspec/runner/shared.rb
@@ -1,10 +1,14 @@
 require 'mspec/runner/mspec'
 
 def it_behaves_like(desc, meth, obj = nil)
-  send :before, :all do
+  before :all do
     @method = meth
     @object = obj
   end
+  after :all do
+    @method = nil
+    @object = nil
+  end
 
-  send :it_should_behave_like, desc.to_s
+  it_should_behave_like desc.to_s
 end
diff --git a/spec/mspec/lib/mspec/utils/options.rb b/spec/mspec/lib/mspec/utils/options.rb
index 23a4c9a2a0..612caf6771 100644
--- a/spec/mspec/lib/mspec/utils/options.rb
+++ b/spec/mspec/lib/mspec/utils/options.rb
@@ -423,6 +423,10 @@ class MSpecOptions
       end
       MSpec.register :load, obj
     end
+
+    on("--print-skips", "Print skips") do
+      config[:print_skips] = true
+    end
   end
 
   def interrupt
diff --git a/spec/mspec/spec/helpers/ruby_exe_spec.rb b/spec/mspec/spec/helpers/ruby_exe_spec.rb
index 79ce55ca75..61225a2756 100644
--- a/spec/mspec/spec/helpers/ruby_exe_spec.rb
+++ b/spec/mspec/spec/helpers/ruby_exe_spec.rb
@@ -147,7 +147,7 @@ RSpec.describe Object, "#ruby_exe" do
     @script = RubyExeSpecs.new
     allow(@script).to receive(:`).and_return('OUTPUT')
 
-    status_successful = double(Process::Status,  exitstatus: 0)
+    status_successful = double(Process::Status, exited?: true, exitstatus: 0)
     allow(Process).to receive(:last_status).and_return(status_successful)
   end
 
@@ -176,7 +176,7 @@ RSpec.describe Object, "#ruby_exe" do
     code = "code"
     options = {}
 
-    status_failed = double(Process::Status, exitstatus: 4)
+    status_failed = double(Process::Status, exited?: true, exitstatus: 4)
     allow(Process).to receive(:last_status).and_return(status_failed)
 
     expect {
@@ -184,16 +184,16 @@ RSpec.describe Object, "#ruby_exe" do
     }.to raise_error(%r{Expected exit status is 0 but actual is 4 for command ruby_exe\(.+\)})
   end
 
-  it "shows in the exception message if exitstatus is nil (e.g., signal)" do
+  it "shows in the exception message if a signal killed the process" do
     code = "code"
     options = {}
 
-    status_failed = double(Process::Status, exitstatus: nil)
+    status_failed = double(Process::Status, exited?: false, signaled?: true, termsig: Signal.list.fetch('TERM'))
     allow(Process).to receive(:last_status).and_return(status_failed)
 
     expect {
       @script.ruby_exe(code, options)
-    }.to raise_error(%r{Expected exit status is 0 but actual is nil for command ruby_exe\(.+\)})
+    }.to raise_error(%r{Expected exit status is 0 but actual is :SIGTERM for command ruby_exe\(.+\)})
   end
 
   describe "with :dir option" do
@@ -236,7 +236,7 @@ RSpec.describe Object, "#ruby_exe" do
 
   describe "with :exit_status option" do
     before do
-      status_failed = double(Process::Status, exitstatus: 4)
+      status_failed = double(Process::Status, exited?: true, exitstatus: 4)
       allow(Process).to receive(:last_status).and_return(status_failed)
     end