+ /*
+ ** We are going to block on write, but at least on Solaris we might block
+ ** on write if we haven't read anything from our input buffer..
+ ** Try to purge the input buffer if we don't do any flow control in the
+ ** application layer (just sending a lot of data etc)
+ ** The test is moved down in the purge function to avoid duplication of
+ ** the test.
+ */
+ if (read_or_write == MEM_WRITE)
+ memcached_purge(ptr);
+