Audit of 9af1463

internal/procgroup/procgroup.go

@@ -0,0 +1,30 @@
+package procgroup
+
+import (
+	"context"
+	"os/exec"
+	"syscall"
+)
+
+type Cmd struct {
+	*exec.Cmd
+}
+
+func Command(name string, args ...string) *Cmd {
+	return group(exec.Command(name, args...))
+}
+
+func CommandContext(ctx context.Context, name string, args ...string) *Cmd {
+	cmd := group(exec.CommandContext(ctx, name, args...))
+	cmd.Cancel = cmd.Kill
+	return cmd
+}
+
+func group(cmd *exec.Cmd) *Cmd {
+	cmd.SysProcAttr = &syscall.SysProcAttr{Setpgid: true}
+	return &Cmd{Cmd: cmd}
+}
+
+func (cmd *Cmd) Kill() error {
+	return syscall.Kill(-cmd.Process.Pid, syscall.SIGKILL)
+}