bk commit into 5.0 tree (msvensson:1.1994) BUG#15772

[msvensson]

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ChangeSet
  1.1994 05/12/20 00:47:50 msvensson@neptunus.(none) +1 -0
  Bug #15772 Aborted YaSSL connections force threads into busyloops
    - Report error when there is nothing to read after wait.

  extra/yassl/src/handshake.cpp
    1.5 05/12/20 00:47:44 msvensson@neptunus.(none) +5 -1
    Report error if there is nothing to read after a blocking read

# This is a BitKeeper patch.  What follows are the unified diffs for the
# set of deltas contained in the patch.  The rest of the patch, the part
# that BitKeeper cares about, is below these diffs.
# User:	msvensson
# Host:	neptunus.(none)
# Root:	/home/msvensson/mysql/mysql-5.0

--- 1.4/extra/yassl/src/handshake.cpp	2005-06-06 12:52:36 +02:00
+++ 1.5/extra/yassl/src/handshake.cpp	2005-12-20 00:47:44 +01:00
@@ -656,7 +656,11 @@
 {
     ssl.getSocket().wait();                  // wait for input if blocking
     uint ready = ssl.getSocket().get_ready();
-    if (!ready) return buffered;
+    if (!ready) {
+      // Nothing to receive after blocking wait => error
+      ssl.SetError(receive_error);
+      return buffered= null_buffer;
+    }
 
     // add buffered data if its there
     uint buffSz = buffered.get() ? buffered.get()->get_size() : 0;