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Posted to bugs@httpd.apache.org by bu...@apache.org on 2003/07/11 13:40:39 UTC

DO NOT REPLY [Bug 21495] - ab blocks in 2.0.47

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ab blocks in 2.0.47





------- Additional Comments From trawick@apache.org  2003-07-11 11:40 -------
I can verify this problem with ab from Apache 2.1-dev on RedHat 8. 
Interestingly, apr_poll() hasn't changed in some time.  And yet ab hasn't
changed its use of socket I/O in some time either.  Go figure :)

Apparently the use of poll in ab is broken, as polling only for POLLIN is only
going to catch failures to connect.

Give this a spin (it works for me).

Index: ab.c
===================================================================
RCS file: /home/cvs/httpd-2.0/support/ab.c,v
retrieving revision 1.126
diff -u -r1.126 ab.c
--- ab.c        10 Jul 2003 19:16:35 -0000      1.126
+++ ab.c        11 Jul 2003 11:32:52 -0000
@@ -1268,7 +1268,7 @@
            c->state = STATE_CONNECTING;
            c->rwrite = 0;
             new_pollfd.desc_type = APR_POLL_SOCKET;
-            new_pollfd.reqevents = APR_POLLIN;
+            new_pollfd.reqevents = APR_POLLIN | APR_POLLOUT;
             new_pollfd.desc.s = c->aprsock;
             new_pollfd.client_data = c;
            apr_pollset_add(readbits, &new_pollfd);

I rarely use ab myself, and the only testing of it that I did personally over
the last few releases has been over loopback, where I assume the connect
completed synchronously and we didn't need to poll() until it completed.

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