From 60d52a7e08cde87fb07e60a1c97cc104f1eb254a Mon Sep 17 00:00:00 2001
From: Roger Dingledine <arma@torproject.org>
Date: Wed, 6 Aug 2003 18:38:46 +0000
Subject: patch to let poll() recognize eof on more architectures

svn:r372
---
 src/or/main.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/or/main.c b/src/or/main.c
index 5c6f3386e..5853fd6ce 100644
--- a/src/or/main.c
+++ b/src/or/main.c
@@ -274,7 +274,8 @@ static void conn_read(int i) {
     connection_free(conn);
     if(i<nfds) { /* we just replaced the one at i with a new one.
                     process it too. */
-      if(poll_array[i].revents & POLLIN) /* something to read */
+      if(poll_array[i].revents & POLLIN ||
+         poll_array[i].revents & POLLHUP ) /* something to read */
         conn_read(i);
     }
   }
@@ -552,8 +553,11 @@ static int do_main_loop(void) {
     if(poll_result > 0) { /* we have at least one connection to deal with */
       /* do all the reads first, so we can detect closed sockets */
       for(i=0;i<nfds;i++)
-        if(poll_array[i].revents & POLLIN) /* something to read */
+        if(poll_array[i].revents & POLLIN ||
+           poll_array[i].revents & POLLHUP ) /* something to read */
           conn_read(i); /* this also blows away broken connections */
+/* see http://www.greenend.org.uk/rjk/2001/06/poll.html for discussion
+ * of POLLIN vs POLLHUP */
 
       /* then do the writes */
       for(i=0;i<nfds;i++)
-- 
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