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* process.c: Describe the behavior which Ruby invokes a commandline

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directly without shell if the commandline is simple enough.
  [ruby-core:50459] [Bug #7489]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40083 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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akr 2013-04-03 11:55:18 +00:00
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@ -1,3 +1,9 @@
Wed Apr 3 20:52:49 2013 Tanaka Akira <akr@fsij.org>
* process.c: Describe the behavior which Ruby invokes a commandline
directly without shell if the commandline is simple enough.
[ruby-core:50459] [Bug #7489]
Wed Apr 3 20:27:37 2013 Tanaka Akira <akr@fsij.org>
* ext/extmk.rb (extmake): Invoke Logging::log_close in a ensure

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process.c
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@ -2349,6 +2349,12 @@ static int rb_exec_without_timer_thread(const struct rb_execarg *eargp, char *er
* The standard shell means always <code>"/bin/sh"</code> on Unix-like systems,
* <code>ENV["RUBYSHELL"]</code> or <code>ENV["COMSPEC"]</code> on Windows NT series, and
* similar.
* If _commandline_ is simple enough,
* no meta characters, no shell reserved word and no special built-in,
* Ruby invokes the command directly without shell.
* You can force shell invocation by adding ";" for _commandline_ (because ";" is a meta characetr).
* Note that this behavior is observable by pid obtained
* (return value of spawn() and IO#pid for IO.popen) is the pid of the invoked command, not shell.
*
* If two or more +string+ given,
* the first is taken as a command name and