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[DOC] update doc.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42506 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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akr 2013-08-11 03:43:04 +00:00
parent f4670f739e
commit cef46a5e72
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8
process.c
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@ -6666,6 +6666,14 @@ rb_proc_times(VALUE obj)
* [CLOCK_UPTIME_PRECISE] FreeBSD 8.1
* [CLOCK_SECOND] FreeBSD 8.1
*
* Also, several symbols are accepted as _clk_id_.
* They may be used as emulation for clock_gettime().
* For example, <code>Process::CLOCK_REALTIME</code> is defined as
* <code>:POSIX_GETTIMEOFDAY_CLOCK_REALTIME</code> when clock_gettime() is not available.
*
* [:POSIX_GETTIMEOFDAY_CLOCK_REALTIME] Use gettimeofday(). The precision is 1 micro second.
* [:POSIX_TIME_CLOCK_REALTIME] Use time(). The precision is 1 second.
*
* If the given _clk_id_ is not supported, Errno::EINVAL is raised.
*
* _unit_ specifies a type of the return value.