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update doc.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36073 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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akr 2012-06-13 20:55:40 +00:00
parent bad859ca3e
commit b41bc68688
1 changed files with 4 additions and 4 deletions
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8
process.c
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@ -2167,15 +2167,15 @@ static int rb_exec_without_timer_thread(const struct rb_exec_arg *e, char *errms
* This behavior is modified by env and options.
* See <code>spawn</code> for details.
*
* Raises SystemCallError if the command couldn't execute (typically
* <code>Errno::ENOENT</code> when it was not found).
*
* This method modifies process attributes according to _options_
* (details described in <code>spawn</code>)
* before <code>exec(2)</code> system call.
* The modified attributes may be retained when <code>exec(2)</code> system call fails.
* For example, hard resource limits is not restorable.
* If it is not acceptable, consider methods which create a child process such as <code>spawn</code> or <code>system</code>.
*
* Raises SystemCallError if the command couldn't execute (typically
* <code>Errno::ENOENT</code> when it was not found).
* If it is not acceptable, consider to create a child process using <code>spawn</code> or <code>system</code>.
*
* exec "echo *" # echoes list of files in current directory
* # never get here