Similar to sd_notify(), but send the message on behalf of another
process, if the appropriate permissions are available.
*/
-int sd_pid_notify(pid_t pid, int unset_environment, const char *state);
+// UNNEEDED int sd_pid_notify(pid_t pid, int unset_environment, const char *state);
/*
Similar to sd_notifyf(), but send the message on behalf of another