From 3f0fd715f4e8fc0dcdc6da2558f4549b448cf431 Mon Sep 17 00:00:00 2001
From: akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 12 Sep 2010 00:15:27 +0000
Subject: [PATCH] update document.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@29231 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 process.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/process.c b/process.c
index ad884ea07e..55b83b10b8 100644
--- a/process.c
+++ b/process.c
@@ -313,6 +313,10 @@ pst_message(VALUE str, rb_pid_t pid, int status)
  *     stat.to_s   -> string
  *
  *  Show pid and exit status as a string.
+ *
+ *    system("false")
+ *    p $?.to_s         #=> "pid 12766 exit 1"
+ *
  */
 
 static VALUE
@@ -336,6 +340,10 @@ pst_to_s(VALUE st)
  *     stat.inspect   -> string
  *
  *  Override the inspection method.
+ *
+ *    system("false")
+ *    p $?.inspect #=> "#<Process::Status: pid 12861 exit 1>"
+ *
  */
 
 static VALUE