51 lines
1.3 KiB
Go
51 lines
1.3 KiB
Go
// +build darwin dragonfly freebsd linux netbsd openbsd solaris
|
|
|
|
package executor
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
"syscall"
|
|
)
|
|
|
|
// configure new process group for child process
|
|
func (e *UniversalExecutor) setNewProcessGroup() error {
|
|
if e.cmd.SysProcAttr == nil {
|
|
e.cmd.SysProcAttr = &syscall.SysProcAttr{}
|
|
}
|
|
e.cmd.SysProcAttr.Setpgid = true
|
|
return nil
|
|
}
|
|
|
|
// Cleanup any still hanging user processes
|
|
func (e *UniversalExecutor) cleanupChildProcesses(proc *os.Process) error {
|
|
// If new process group was created upon command execution
|
|
// we can kill the whole process group now to cleanup any leftovers.
|
|
if e.cmd.SysProcAttr != nil && e.cmd.SysProcAttr.Setpgid {
|
|
if err := syscall.Kill(-proc.Pid, syscall.SIGKILL); err != nil && err.Error() != noSuchProcessErr {
|
|
return err
|
|
}
|
|
return nil
|
|
}
|
|
return proc.Kill()
|
|
}
|
|
|
|
// Only send the process a shutdown signal (default INT), doesn't
|
|
// necessarily kill it.
|
|
func (e *UniversalExecutor) shutdownProcess(proc *os.Process) error {
|
|
// Set default kill signal, as some drivers don't support configurable
|
|
// signals (such as rkt)
|
|
var osSignal os.Signal
|
|
if e.command.TaskKillSignal != nil {
|
|
osSignal = e.command.TaskKillSignal
|
|
} else {
|
|
osSignal = os.Interrupt
|
|
}
|
|
|
|
if err := proc.Signal(osSignal); err != nil && err.Error() != finishedErr {
|
|
return fmt.Errorf("executor.shutdown error: %v", err)
|
|
}
|
|
|
|
return nil
|
|
}
|