From 09149bbf7d28f67e68d65f7ba153ccd31ae48e5b Mon Sep 17 00:00:00 2001
From: Josh Blum <josh@joshknows.com>
Date: Thu, 10 Mar 2011 14:37:34 -0800
Subject: usrp1: safe destruction for usrp1 device

---
 host/lib/usrp/usrp1/usrp1_impl.cpp | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

(limited to 'host/lib/usrp/usrp1/usrp1_impl.cpp')

diff --git a/host/lib/usrp/usrp1/usrp1_impl.cpp b/host/lib/usrp/usrp1/usrp1_impl.cpp
index caea7c043..7005c59f2 100644
--- a/host/lib/usrp/usrp1/usrp1_impl.cpp
+++ b/host/lib/usrp/usrp1/usrp1_impl.cpp
@@ -19,6 +19,7 @@
 #include "usrp1_ctrl.hpp"
 #include "fpga_regs_standard.h"
 #include "usrp_spi_defs.h"
+#include <uhd/utils/safe_call.hpp>
 #include <uhd/transport/usb_control.hpp>
 #include <uhd/usrp/device_props.hpp>
 #include <uhd/usrp/mboard_props.hpp>
@@ -199,7 +200,16 @@ usrp1_impl::usrp1_impl(uhd::transport::usb_zero_copy::sptr data_transport,
 }
 
 usrp1_impl::~usrp1_impl(void){
-    /* NOP */
+    //Safely destruct all RAII objects in a device.
+    //This prevents the mboard deconstructor from throwing,
+    //which allows the device to be safely deconstructed.
+    BOOST_FOREACH(dboard_slot_t slot, _dboard_slots){
+        UHD_SAFE_CALL(_dboard_managers[slot].reset();)
+        UHD_SAFE_CALL(_dboard_ifaces[slot].reset();)
+        UHD_SAFE_CALL(_codec_ctrls[slot].reset();)
+    }
+    UHD_SAFE_CALL(_clock_ctrl.reset();)
+    UHD_SAFE_CALL(_io_impl.reset();)
 }
 
 bool usrp1_impl::recv_async_msg(uhd::async_metadata_t &, double timeout){
-- 
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