Sha256: 377aebd81df0d6da5406ff5936d854f2d34f607fe06b35604c07bc5147182864
Contents?: true
Size: 1.69 KB
Versions: 185
Compression:
Stored size: 1.69 KB
Contents
#
# Fluentd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
module Fluent
module Clock
CLOCK_ID = Process::CLOCK_MONOTONIC_RAW rescue Process::CLOCK_MONOTONIC
@@block_level = 0
@@frozen_clock = nil
def self.now
@@frozen_clock || now_raw
end
def self.freeze(dst = nil, &block)
return freeze_block(dst, &block) if block_given?
dst = dst_clock_from_time(dst) if dst.is_a?(Time)
@@frozen_clock = dst || now_raw
end
def self.return
raise "invalid return while running code in blocks" if @@block_level > 0
@@frozen_clock = nil
end
# internal use
def self.now_raw
Process.clock_gettime(CLOCK_ID)
end
def self.real_now(unit = :second)
Process.clock_gettime(Process::CLOCK_REALTIME, unit)
end
def self.dst_clock_from_time(time)
diff_sec = Time.now - time
now_raw - diff_sec
end
def self.freeze_block(dst)
dst = dst_clock_from_time(dst) if dst.is_a?(Time)
pre_frozen_clock = @@frozen_clock
@@frozen_clock = dst || now_raw
@@block_level += 1
yield
ensure
@@block_level -= 1
@@frozen_clock = pre_frozen_clock
end
end
end
Version data entries
185 entries across 185 versions & 7 rubygems