On Wed, 4 Jan 2017, Christian Weisgerber wrote:

> That's the swrite() in tests/server/sws.c line 1203 that fails. Further
> debugging shows the error to be EAGAIN. Shouldn't this be non-fatal and
> retried?

Okay, so can you please apply this test patch and see if it makes things work
better? I did a first quick test with non-blocking simply switched off but
that didn't work, so this is my next quick and dirty experiment.

diff --git a/tests/server/sws.c b/tests/server/sws.c
index c4125a0a8..6cebe930e 100644
--- a/tests/server/sws.c
+++ b/tests/server/sws.c
@@ -1198,12 +1198,17 @@ static int send_doc(curl_socket_t sock, struct
httprequest *req)
         larger chunks are split up so that the client will need to do multiple
         recv() calls to get it and thus we exercise that code better */
      size_t num = count;
      if(num > 200)
        num = 200;
+ retry:
      written = swrite(sock, buffer, num);
      if(written < 0) {
+ if((EWOULDBLOCK == errno) || (EAGAIN == errno)) {
+ wait_ms(10);
+ goto retry;
+ }
        sendfailure = TRUE;
        break;
      }
      else {
        logmsg("Sent off %zd bytes", written);

-- 
  / daniel.haxx.se
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