setenv ("SHELL", "/bin/sh", 1);
setenv ("LANG", "C", 1);
+ /* We document that umask defaults to 022 (it should be this anyway). */
+ umask (022);
+
/* Resolve the hostname. */
memset (&hints, 0, sizeof hints);
hints.ai_socktype = SOCK_STREAM;
{
int so_size = 0, se_size = 0;
int so_fd[2], se_fd[2];
- int pid, r, quit, i;
+ pid_t pid;
+ int r, quit, i;
fd_set rset, rset2;
char buf[256];
char *p;
}
/* Get the exit status of the command. */
- waitpid (pid, &r, 0);
+ if (waitpid (pid, &r, 0) != pid) {
+ perror ("waitpid");
+ return -1;
+ }
if (WIFEXITED (r)) {
return WEXITSTATUS (r);
return 0;
}
- if (errno != ENXIO) {
+ if (errno != ENXIO && errno != ENOENT) {
error:
reply_with_perror ("%s: %s", func, device);
return -1;
device[5] = 's'; /* Restore original device name. */
goto error;
}
+
+/* LVM and other commands aren't synchronous, especially when udev is
+ * involved. eg. You can create or remove some device, but the /dev
+ * device node won't appear until some time later. This means that
+ * you get an error if you run one command followed by another.
+ * Use 'udevadm settle' after certain commands, but don't be too
+ * fussed if it fails.
+ */
+void
+udev_settle (void)
+{
+ command (NULL, NULL, "/sbin/udevadm", "settle", NULL);
+}