uhd: move thread loop condition flag to before barrier (prevents race condition)

2 files changed, 2 insertions, 2 deletions

diff --git a/host/lib/usrp/usrp2/io_impl.cpp b/host/lib/usrp/usrp2/io_impl.cpp
index 07cbd2432..005be7ce4 100644
--- a/host/lib/usrp/usrp2/io_impl.cpp
+++ b/host/lib/usrp/usrp2/io_impl.cpp
@@ -228,9 +228,9 @@ void usrp2_impl::io_impl::recv_pirate_loop(
     zero_copy_if::sptr err_xport,
     size_t index
 ){
+    recv_pirate_crew_raiding = true;
     spawn_barrier.wait();
     set_thread_priority_safe();
-    recv_pirate_crew_raiding = true;
 
     //store a reference to the flow control monitor (offset by max dsps)
     flow_control_monitor &fc_mon = *(this->fc_mons[index*usrp2_mboard_impl::MAX_NUM_DSPS]);
diff --git a/host/lib/usrp/usrp_e100/io_impl.cpp b/host/lib/usrp/usrp_e100/io_impl.cpp
index cbab5a761..51ff02d3b 100644
--- a/host/lib/usrp/usrp_e100/io_impl.cpp
+++ b/host/lib/usrp/usrp_e100/io_impl.cpp
@@ -109,9 +109,9 @@ struct usrp_e100_impl::io_impl{
 void usrp_e100_impl::io_impl::recv_pirate_loop(
     boost::barrier &spawn_barrier, usrp_e100_clock_ctrl::sptr clock_ctrl
 ){
+    recv_pirate_crew_raiding = true;
     spawn_barrier.wait();
     set_thread_priority_safe();
-    recv_pirate_crew_raiding = true;
 
     while(recv_pirate_crew_raiding){
         managed_recv_buffer::sptr buff = this->data_xport->get_recv_buff();