/* Args:
* excl if excl != 0, request an exclusive lock
* dot if dot != 0, try to dotlock the file
/* Args:
* excl if excl != 0, request an exclusive lock
* dot if dot != 0, try to dotlock the file
-int mx_lock_file (const char *path, int fd, int excl, int dot, int timeout)
+int mx_lock_file (const char *path, int fd, int excl, int dot, int time_out)