I have some code that in Go (golang), has a few different threads running a separate executable. I want to ensure that if a user kills my process in Go, that I have a way of killing the executables I've called, is there a way to do that?
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- douli0531 2016-01-11 21:02关注
The only ways to ensure that the child process is killed, is to start it in the same process group, and kill the process group as a whole, or set
Pdeadthsig
in thesyscall.SetProcAddr
.You can setup a signal handler for common signals like
SIG_INT
andSIG_TERM
, and kill your child processes before exiting, but since you can't catchSIG_KILL
that's often not worth the effort.See: Panic in other goroutine not stopping child process
cmd := exec.Command("./long-process") cmd.SysProcAttr = &syscall.SysProcAttr{ Pdeathsig: syscall.SIGTERM, }
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