mirror of
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50 lines
1.6 KiB
Go
50 lines
1.6 KiB
Go
/*
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* MIT License
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*
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* Copyright (c) 2020 Nicolas JUHEL
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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*/
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package semaphore
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import (
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"context"
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"time"
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)
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func NewContext(parent context.Context, timeout time.Duration, deadline time.Time) (ctx context.Context, cancel context.CancelFunc) {
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if parent == nil {
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parent = context.Background()
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}
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if timeout > 0 {
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return context.WithTimeout(parent, timeout)
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} else if deadline.Unix() > 0 {
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return context.WithDeadline(parent, deadline)
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}
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return context.WithCancel(parent)
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}
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func EmptyTime() time.Time {
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return time.Time{}
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}
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