+ * Race near adns_beforeselect which could cause infinite timeout fixed

[adns.git] / src / adns.h

diff --git a/src/adns.h b/src/adns.h
index 343501d109e9435fe67f131d6e1c8bcee60084b6..f5ffeae3b01d5feff17be51d14db22583c23e07e 100644 (file)
--- a/src/adns.h
+++ b/src/adns.h
@@ -663,9 +663,10 @@ void adns_beforeselect(adns_state ads, int *maxfd, fd_set *readfds,
  * for adns_firsttimeout.  readfds, writefds, exceptfds and maxfd_io may
  * not be 0.
  *
- * If now is not 0 then this will never actually do any I/O, or
- * change the fds that adns is using or the timeouts it wants.  In any
- * case it won't block.
+ * If now is not 0 then this will never actually do any I/O, or change
+ * the fds that adns is using or the timeouts it wants.  In any case
+ * it won't block, and it will set the timeout to zero if a query
+ * finishes in _beforeselect.
  */
 
 void adns_afterselect(adns_state ads, int maxfd, const fd_set *readfds,