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* process.c (rb_clock_getres): New method.

Browse source 
(timetick2dblnum_reciprocal): New function.

* configure.in: Check clock_getres.

[ruby-core:56780] [Feature #8809] accepted at
DevelopersMeeting20130831Japan
https://bugs.ruby-lang.org/projects/ruby/wiki/DevelopersMeeting20130831Japan



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42744 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
akr 2013-08-31 13:21:48 +00:00
parent 83a0709174
commit 23da5a785e
4 changed files with 229 additions and 0 deletions
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66
test/ruby/test_process.rb
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@ -1729,4 +1729,70 @@ EOS
assert_kind_of(Float, t, "Process.clock_gettime(:#{n})")
end
def test_clock_getres
r = Process.clock_gettime(Process::CLOCK_REALTIME, :nanosecond)
assert_kind_of(Integer, r)
assert_raise(Errno::EINVAL) { Process.clock_getres(:foo) }
end
def test_clock_getres_constants
Process.constants.grep(/\ACLOCK_/).each {|n|
c = Process.const_get(n)
begin
t = Process.clock_getres(c)
rescue Errno::EINVAL
next
end
assert_kind_of(Float, t, "Process.clock_getres(Process::#{n})")
}
end
def test_clock_getres_GETTIMEOFDAY_BASED_CLOCK_REALTIME
n = :GETTIMEOFDAY_BASED_CLOCK_REALTIME
t = Process.clock_getres(n)
assert_kind_of(Float, t, "Process.clock_getres(:#{n})")
end
def test_clock_getres_TIME_BASED_CLOCK_REALTIME
n = :TIME_BASED_CLOCK_REALTIME
t = Process.clock_getres(n)
assert_kind_of(Float, t, "Process.clock_getres(:#{n})")
end
def test_clock_getres_GETRUSAGE_BASED_CLOCK_PROCESS_CPUTIME_ID
n = :GETRUSAGE_BASED_CLOCK_PROCESS_CPUTIME_ID
begin
t = Process.clock_getres(n)
rescue Errno::EINVAL
return
end
assert_kind_of(Float, t, "Process.clock_getres(:#{n})")
end
def test_clock_getres_TIMES_BASED_CLOCK_PROCESS_CPUTIME_ID
n = :TIMES_BASED_CLOCK_PROCESS_CPUTIME_ID
begin
t = Process.clock_getres(n)
rescue Errno::EINVAL
return
end
assert_kind_of(Float, t, "Process.clock_getres(:#{n})")
end
def test_clock_getres_CLOCK_BASED_CLOCK_PROCESS_CPUTIME_ID
n = :CLOCK_BASED_CLOCK_PROCESS_CPUTIME_ID
t = Process.clock_getres(n)
assert_kind_of(Float, t, "Process.clock_getres(:#{n})")
end
def test_clock_getres_MACH_ABSOLUTE_TIME_BASED_CLOCK_MONOTONIC
n = :MACH_ABSOLUTE_TIME_BASED_CLOCK_MONOTONIC
begin
t = Process.clock_getres(n)
rescue Errno::EINVAL
return
end
assert_kind_of(Float, t, "Process.clock_getres(:#{n})")
end
end