51 lines
1.4 KiB
Go
51 lines
1.4 KiB
Go
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//go:build darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris
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package executor
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import (
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"fmt"
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"os"
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"syscall"
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)
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// configure new process group for child process
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func (e *UniversalExecutor) setNewProcessGroup() error {
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if e.childCmd.SysProcAttr == nil {
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e.childCmd.SysProcAttr = &syscall.SysProcAttr{}
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}
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e.childCmd.SysProcAttr.Setpgid = true
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return nil
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}
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// SIGKILL the process group starting at process.Pid
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func (e *UniversalExecutor) killProcessTree(process *os.Process) error {
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pid := process.Pid
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negative := -pid // tells unix to kill entire process group
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signal := syscall.SIGKILL
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// If new process group was created upon command execution
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// we can kill the whole process group now to cleanup any leftovers.
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if e.childCmd.SysProcAttr != nil && e.childCmd.SysProcAttr.Setpgid {
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e.logger.Trace("sending sigkill to process group", "pid", pid, "negative", negative, "signal", signal)
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if err := syscall.Kill(negative, signal); err != nil && err.Error() != noSuchProcessErr {
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return err
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}
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return nil
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}
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return process.Kill()
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}
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// Only send the process a shutdown signal (default INT), doesn't
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// necessarily kill it.
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func (e *UniversalExecutor) shutdownProcess(sig os.Signal, proc *os.Process) error {
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if sig == nil {
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sig = os.Interrupt
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}
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if err := proc.Signal(sig); err != nil && err.Error() != finishedErr {
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return fmt.Errorf("executor shutdown error: %v", err)
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}
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return nil
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}
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