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gitea/modules/process/process.go
zeripath 01087e9eef
Make Requests Processes and create process hierarchy. Associate OpenRepository with context. ()
This PR registers requests with the process manager and manages hierarchy within the processes.

Git repos are then associated with a context, (usually the request's context) - with sub commands using this context as their base context.

Signed-off-by: Andrew Thornton <art27@cantab.net>
2021-11-30 20:06:32 +00:00

67 lines
1.4 KiB
Go

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