diff options
Diffstat (limited to 'src/lb.cpp')
-rw-r--r-- | src/lb.cpp | 9 |
1 files changed, 8 insertions, 1 deletions
@@ -128,8 +128,15 @@ bool zmq::lb_t::has_out () return true; while (active > 0) { - if (pipes [current]->check_write ()) + + // Check whether zero-sized message can be written to the pipe. + zmq_msg_t msg; + zmq_msg_init (&msg); + if (pipes [current]->check_write (&msg)) { + zmq_msg_close (&msg); return true; + } + zmq_msg_close (&msg); // Deactivate the pipe. active--; |