-
-static int
-chown_uucp (fd)
- int fd;
-{
- static int uuid = -1, ugid;
- struct passwd *pw;
-
- if (uuid < 0)
- {
- if (pw = getpwnam ("uucp"))
- {
- uuid = pw->pw_uid;
- ugid = pw->pw_gid;
- }
- else
- {
- return -1;
- }
- }
- return fchown (fd, uuid, ugid);
-}
-
-int
-make_lockfile (char *name)
-{
- char buf[1024], tmpfn[1024];
- char *ptr;
- int fd;
- int i;
-
- strcpy (tmpfn, name);
-
- ptr = rindex (tmpfn, '/');
- if (!ptr)
- return -1;
-
- ptr++;
-
- ptr += sprintf (ptr, "LTMP.%d", getpid ());
- *ptr = 0;
-
- i = sprintf (buf, "%10d\n", getpid ());
-
- fd = open (tmpfn, O_WRONLY | O_CREAT | O_TRUNC, 0444);
- if (fd < 0)
- {
- unlink (tmpfn);
- return -1;
- }
-
- write (fd, buf, i);
- fchmod (fd, 044);
- if (chown_uucp (fd))
- {
- close (fd);
- unlink (tmpfn);
- return -1;
- }
-
- close (fd);
-
- if (link (tmpfn, name) < 0)
- {
- unlink (tmpfn);
- return -1;
- }
-
- unlink (tmpfn);
- return 0;
-}
-
-
-
-void
-construct_lock_file_name_by_name (char *ptr)
-{
-
- printf ("lock by file %s\n", ptr);
-
-}
-
-void
-construct_lock_file_name_by_device (dev_t dev)
-{
-
- printf ("lock by dev %x\n", dev);
-}
-
-
-#define DEV "/dev/"
-int
-construct_possible_lock_files (char *device)
-{
- int nl;
- struct dirent *de;
- DIR *d;
- struct stat dev_stat, ent_stat;
- char buf[1024];
-
-
- if (stat (device, &dev_stat))
- return -1;
- if (!S_ISCHR (dev_stat.st_mode))
- return -1;
-
- construct_lock_file_name_by_device (dev_stat.st_rdev);
-
- construct_lock_file_name_by_name (device);
-
- for (d = opendir (DEV); (de = readdir (d));)
- {
- strcpy (buf, DEV);
- strcat (buf, de->d_name);
-
- if (stat (buf, &ent_stat))
- continue;
- if (!S_ISCHR (ent_stat.st_mode))
- continue;
- if (ent_stat.st_rdev != dev_stat.st_rdev)
- continue;
-
- construct_lock_file_name_by_name (buf);
-
- }
- closedir (d);
-
-}
-
-
-static void
-serial_check_lock (Serial * t)
-{
-}
-
-