Merge branch 'maint'

* maint:
  Fix socket_t::recv() hang scenario where initial call to process_commands() eats signal

Conflicts:
	src/socket_base.cpp

1 files changed, 3 insertions, 1 deletions

diff --git a/src/socket_base.cpp b/src/socket_base.cpp
index a10ed0e..bfaacb7 100644
--- a/src/socket_base.cpp
+++ b/src/socket_base.cpp
@@ -519,13 +519,15 @@ int zmq::socket_base_t::recv (::zmq_msg_t *msg_, int flags_)
 
     //  In blocking scenario, commands are processed over and over again until
     //  we are able to fetch a message.
+    bool block = (ticks != 0);
     while (rc != 0) {
         if (errno != EAGAIN)
             return -1;
-        if (unlikely (process_commands (true, false) != 0))
+        if (unlikely (process_commands (block, false) != 0))
             return -1;
         rc = xrecv (msg_, flags_);
         ticks = 0;
+        block = true;
     }
 
     rcvmore = msg_->flags & ZMQ_MSG_MORE;