diff --git a/eventlet/greenio/base.py b/eventlet/greenio/base.py
index fc9871f..634304a 100644
--- a/eventlet/greenio/base.py
+++ b/eventlet/greenio/base.py
@@ -359,28 +359,20 @@ class GreenSocket(object):
         if self.act_non_blocking:
             return send_method(data, *args)
 
-        # blocking socket behavior - sends all, blocks if the buffer is full
-        total_sent = 0
-        len_data = len(data)
         while 1:
             try:
-                total_sent += send_method(data[total_sent:], *args)
+                return send_method(data, *args)
             except socket.error as e:
                 eno = get_errno(e)
                 if eno == errno.ENOTCONN or eno not in SOCKET_BLOCKING:
                     raise
 
-            if total_sent == len_data:
-                break
-
             try:
                 self._trampoline(self.fd, write=True, timeout=self.gettimeout(),
                                  timeout_exc=socket.timeout("timed out"))
             except IOClosed:
                 raise socket.error(errno.ECONNRESET, 'Connection closed by another thread')
 
-        return total_sent
-
     def send(self, data, flags=0):
         return self._send_loop(self.fd.send, data, flags)
 
diff --git a/tests/greenio_test.py b/tests/greenio_test.py
index fdd2ac1..7b0ff7c 100644
--- a/tests/greenio_test.py
+++ b/tests/greenio_test.py
@@ -818,7 +818,14 @@ class TestGreenIoLong(tests.LimitedTestCase):
         client = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
         client.connect(('127.0.0.1', listener.getsockname()[1]))
         bufsized(client, size=sendsize)
-        client.sendall(b'*' * sendsize)
+
+        # Split into multiple chunks so that we can wait a little
+        # every iteration which allows both readers to queue and
+        # recv some data when we actually send it.
+        for i in range(20):
+            eventlet.sleep(0.001)
+            client.sendall(b'*' * (sendsize // 20))
+
         client.close()
         server_coro.wait()
         listener.close()