67 lines
1.4 KiB
Go
67 lines
1.4 KiB
Go
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// Copyright 2021 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package process
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import (
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"context"
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"sync"
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"time"
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)
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// Process represents a working process inheriting from Gitea.
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type Process struct {
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PID IDType // Process ID, not system one.
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ParentPID IDType
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Description string
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Start time.Time
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Cancel context.CancelFunc
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lock sync.Mutex
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children []*Process
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}
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// Children gets the children of the process
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// Note: this function will behave nicely even if p is nil
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func (p *Process) Children() (children []*Process) {
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if p == nil {
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return
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}
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p.lock.Lock()
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defer p.lock.Unlock()
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children = make([]*Process, len(p.children))
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copy(children, p.children)
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return children
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}
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// AddChild adds a child process
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// Note: this function will behave nicely even if p is nil
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func (p *Process) AddChild(child *Process) {
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if p == nil {
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return
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}
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p.lock.Lock()
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defer p.lock.Unlock()
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p.children = append(p.children, child)
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}
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// RemoveChild removes a child process
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// Note: this function will behave nicely even if p is nil
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func (p *Process) RemoveChild(process *Process) {
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if p == nil {
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return
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}
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p.lock.Lock()
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defer p.lock.Unlock()
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for i, child := range p.children {
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if child == process {
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p.children = append(p.children[:i], p.children[i+1:]...)
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return
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}
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}
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}
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