+int make_stdio(int fd) {
+ int r, s, t;
+
+ assert(fd >= 0);
+
+ r = dup2(fd, STDIN_FILENO);
+ s = dup2(fd, STDOUT_FILENO);
+ t = dup2(fd, STDERR_FILENO);
+
+ if (fd >= 3)
+ close_nointr_nofail(fd);
+
+ if (r < 0 || s < 0 || t < 0)
+ return -errno;
+
+ return 0;
+}
+
+bool is_clean_exit(int code, int status) {
+
+ if (code == CLD_EXITED)
+ return status == 0;
+
+ /* If a daemon does not implement handlers for some of the
+ * signals that's not considered an unclean shutdown */
+ if (code == CLD_KILLED)
+ return
+ status == SIGHUP ||
+ status == SIGINT ||
+ status == SIGTERM ||
+ status == SIGPIPE;
+
+ return false;
+}
+