Implement Process.last_status

bjfish · bjfish · commit ab6ec3f713c8 · 2020-01-16T14:56:08.000-06:00
diff --git a/spec/tags/core/process/last_status_tags.txt b/spec/tags/core/process/last_status_tags.txt
@@ -1,3 +1 @@
 fails:Process#last_status returns the status of the last executed child process in the current thread
-fails:Process#last_status returns nil if no child process has been ever executed in the current thread
-fails:Process#last_status raises an ArgumentError if any arguments are provided
diff --git a/src/main/ruby/truffleruby/core/process.rb b/src/main/ruby/truffleruby/core/process.rb
@@ -567,6 +567,10 @@ def self.initgroups(username, gid)
     Process.groups
   end
 
+  def self.last_status
+    $?
+  end
+
   #
   # Wait for the given process to exit.
   #

Original file line number	Diff line number	Diff line change
`@@ -1,3 +1 @@`
`1`	`1`	`fails:Process#last_status returns the status of the last executed child process in the current thread`
`2`		`-fails:Process#last_status returns nil if no child process has been ever executed in the current thread`
`3`		`-fails:Process#last_status raises an ArgumentError if any arguments are provided`
Original file line number	Diff line number	Diff line change
`@@ -567,6 +567,10 @@ def self.initgroups(username, gid)`
`567`	`567`	`Process.groups`
`568`	`568`	`end`
`569`	`569`
	`570`	`+ def self.last_status`
	`571`	`+ $?`
	`572`	`+ end`
	`573`	`+`
`570`	`574`	`#`
`571`	`575`	`# Wait for the given process to exit.`
`572`	`576`	`#`