if err1 != 0 {
			goto childerror
		}
	}

	// Parent death signal
	if sys.Pdeathsig != 0 {
		_, _, err1 = RawSyscall6(SYS_PRCTL, PR_SET_PDEATHSIG, uintptr(sys.Pdeathsig), 0, 0, 0, 0)
		if err1 != 0 {
			goto childerror
		}

		// Signal self if parent is already dead. This might cause a
		// duplicate signal in rare cases, but it won't matter when

	PR_GET_NAME                     = 16
	PR_SET_NO_NEW_PRIVS             = 38
	PR_GET_NO_NEW_PRIVS             = 39
	PR_SET_DUMPABLE                 = 4
	PR_GET_DUMPABLE                 = 3
	PR_SET_PDEATHSIG                = 1
	PR_GET_PDEATHSIG                = 2
	PR_SET_CHILD_SUBREAPER          = 36
	PR_GET_CHILD_SUBREAPER          = 37
	AT_FDCWD                        = -100
	AT_EACCESS                      = 0x200