Add a generic registerShutdown function for graceful exit (#2344)
* Add a generic registerShutdown function for graceful exit * Add shutdown callback test casemaster
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/* |
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* Minio Cloud Storage, (C) 2016 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 main |
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import ( |
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"testing" |
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) |
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// ShutdownCallback simulates a successful exit here, all registered
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// shutdown callbacks need to return exitSuccess for this test to succeed
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func TestShutdownCallback(t *testing.T) { |
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// Register two callbacks that return success
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registerObjectStorageShutdown(func() errCode { |
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return exitSuccess |
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}) |
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registerShutdown(func() errCode { |
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return exitSuccess |
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}) |
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shutdownSignal = make(chan bool, 1) |
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shutdownSignal <- true |
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// Start executing callbacks and quit if everything is fine
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monitorShutdownSignal() |
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// Infinite loop here simulates an infinite running program
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for { |
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} |
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} |
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