(main): Increase lock timeout to five minutes.

1 files changed, 5 insertions, 2 deletions

diff --git a/lib-src/movemail.c b/lib-src/movemail.c
index 36a837e9310..7160ae206cb 100644
--- a/lib-src/movemail.c
+++ b/lib-src/movemail.c
@@ -251,11 +251,14 @@ main (argc, argv)
         break;
       sleep (1);
 
-      /* If lock file is a minute old, unlock it.  */
+      /* If lock file is five minutes old, unlock it.
+         Five minutes should be good enough to cope with crashes
+         and wedgitude, and long enough to avoid being fooled
+         by time differences between machines.  */
       if (stat (lockname, &st) >= 0)
         {
           now = time (0);
-          if (st.st_ctime < now - 60)
+          if (st.st_ctime < now - 300)
             unlink (lockname);
         }
     }