wide/output/processes.go

56 lines
1.2 KiB
Go

package output
import (
"os"
"github.com/golang/glog"
)
// 所有用户正在运行的程序进程集.
// <sid, []*os.Process>
type procs map[string][]*os.Process
var processes = procs{}
// 添加用户执行进程.
func (procs *procs) add(sid string, proc *os.Process) {
userProcesses := (*procs)[sid]
userProcesses = append(userProcesses, proc)
(*procs)[sid] = userProcesses
glog.V(3).Infof("Session [%s] has [%d] processes", sid, len((*procs)[sid]))
}
// 移除用户执行进程.
func (procs *procs) remove(sid string, proc *os.Process) {
userProcesses := (*procs)[sid]
var newProcesses []*os.Process
for i, p := range userProcesses {
if p.Pid == proc.Pid {
newProcesses = append(userProcesses[:i], userProcesses[i+1:]...)
(*procs)[sid] = newProcesses
glog.V(3).Infof("Session [%s] has [%d] processes", sid, len((*procs)[sid]))
return
}
}
}
// 结束用户正在执行的进程.
func (procs *procs) kill(sid string, pid int) {
pros := (*procs)[sid]
for _, p := range pros {
if p.Pid == pid {
if err := p.Kill(); nil != err {
glog.Error("Kill a process [pid=%d] of session [%s] failed [error=%v]", pid, sid, err)
} else {
glog.V(3).Infof("Killed a process [pid=%d] of session [%s]", pid, sid)
}
}
}
}