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43 lines
2.0 KiB
43 lines
2.0 KiB
9 years ago
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/*
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* Minio Cloud Storage, (C) 2015 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package tasker
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// Command is number that uniquely identifies a command function.
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type Command uint8
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// Enumerate the task commands.
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const (
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// CmdNOOP does nothing. It is a default placeholder. Uninitialized variable of this type will point to NOOP command by default.
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CmdNOOP Command = iota
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// CmdSignalEnd gracefully ends current task. Never ending tasks (loop over) or Batched jobs will not take the next iteration, but may finish the current state to completion.
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CmdSignalEnd
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// CmdSignalAbort ends the current task at hand immediately. It may still cleanup dangling issues quickly.
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CmdSignalAbort
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// CmdSignalSuspend suspends the current task.
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CmdSignalSuspend
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// CmdSignalResume resumes a suspended task.
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CmdSignalResume
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// CmdPriorityLow is optimized to conserve resources and complete the task at a slow pace. This option is ideal for batch processed tasks.
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CmdPriorityLow
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// CmdPriorityMedium is the default priority. It is a balanced option between resources and speed.
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CmdPriorityMedium
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// CmdPriorityHigh is optimized for speed. This option is ideal for short lived tasks (like meta-data related) that are latency sensitive. Use this option wisely.
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CmdPriorityHigh
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// CmdPrioritySuper is an exclusive priority. All tasks with priority lower than Super (including High) are paused temporarily until this task completes. Anytime you consider using this priority level, please seek for approval.
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CmdPrioritySuper
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)
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