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bccf549463
This change brings a change which was done for the 'mc' package to allow for clean repo and have a cleaner github drop in experience.
50 lines
1.2 KiB
Go
50 lines
1.2 KiB
Go
/*
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* Minio Client, (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 cmd
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import (
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"os"
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"os/signal"
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)
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// signalTrap traps the registered signals and notifies the caller.
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func signalTrap(sig ...os.Signal) <-chan bool {
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// channel to notify the caller.
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trapCh := make(chan bool, 1)
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go func(chan<- bool) {
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// channel to receive signals.
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sigCh := make(chan os.Signal, 1)
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defer close(sigCh)
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// `signal.Notify` registers the given channel to
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// receive notifications of the specified signals.
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signal.Notify(sigCh, sig...)
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// Wait for the signal.
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<-sigCh
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// Once signal has been received stop signal Notify handler.
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signal.Stop(sigCh)
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// Notify the caller.
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trapCh <- true
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}(trapCh)
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return trapCh
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}
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