X-Git-Url: http://git.code-monkey.de/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fstoresession.cpp;h=dede6a064cb8eda309f7384e180059bdb6398fd8;hp=3d0f12fe7cb66b79027125bbc4a3363fdbeadc91;hb=e40b2f294066331dc04598f4b0dccac2bab7c295;hpb=6d483b8b51b4efceacf2f48776af33550bf5d29e

diff --git a/pv/storesession.cpp b/pv/storesession.cpp
index 3d0f12f..dede6a0 100644
--- a/pv/storesession.cpp
+++ b/pv/storesession.cpp
@@ -18,6 +18,8 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  */
 
+#include <cassert>
+
 #include "storesession.h"
 
 #include <pv/sigsession.h>
@@ -25,17 +27,17 @@
 #include <pv/data/logicsnapshot.h>
 #include <pv/view/signal.h>
 
-using boost::dynamic_pointer_cast;
-using boost::mutex;
-using boost::shared_ptr;
-using boost::thread;
-using boost::lock_guard;
 using std::deque;
+using std::dynamic_pointer_cast;
+using std::lock_guard;
 using std::make_pair;
 using std::min;
+using std::mutex;
 using std::pair;
 using std::set;
+using std::shared_ptr;
 using std::string;
+using std::thread;
 using std::vector;
 
 namespace pv {
@@ -46,6 +48,7 @@ StoreSession::StoreSession(const std::string &file_name,
 	const SigSession &session) :
 	_file_name(file_name),
 	_session(session),
+	_interrupt(false),
 	_units_stored(0),
 	_unit_count(0)
 {
@@ -56,10 +59,9 @@ StoreSession::~StoreSession()
 	wait();
 }
 
-pair<uint64_t, uint64_t> StoreSession::progress() const
+pair<int, int> StoreSession::progress() const
 {
-	lock_guard<mutex> lock(_mutex);
-	return make_pair(_units_stored, _unit_count);
+	return make_pair(_units_stored.load(), _unit_count.load());
 }
 
 const QString& StoreSession::error() const
@@ -129,7 +131,7 @@ bool StoreSession::start()
 		free(probes[i]);
 	delete[] probes;
 
-	_thread = boost::thread(&StoreSession::store_proc, this, snapshot);
+	_thread = std::thread(&StoreSession::store_proc, this, snapshot);
 	return true;
 }
 
@@ -141,14 +143,15 @@ void StoreSession::wait()
 
 void StoreSession::cancel()
 {
-	_thread.interrupt();
+	_interrupt = true;
 }
 
 void StoreSession::store_proc(shared_ptr<data::LogicSnapshot> snapshot)
 {
 	assert(snapshot);
 
-	uint64_t start_sample = 0;
+	uint64_t start_sample = 0, sample_count;
+	unsigned progress_scale = 0;
 
 	/// TODO: Wrap this in a std::unique_ptr when we transition to C++11
 	uint8_t *const data = new uint8_t[BlockSize];
@@ -157,20 +160,23 @@ void StoreSession::store_proc(shared_ptr<data::LogicSnapshot> snapshot)
 	const int unit_size = snapshot->unit_size();
 	assert(unit_size != 0);
 
-	{
-		lock_guard<mutex> lock(_mutex);
-		_unit_count = snapshot->get_sample_count();
-	}
+	sample_count = snapshot->get_sample_count();
+
+	// Qt needs the progress values to fit inside an int.  If they would
+	// not, scale the current and max values down until they do.
+	while ((sample_count >> progress_scale) > INT_MAX)
+		progress_scale ++;
+
+	_unit_count = sample_count >> progress_scale;
 
 	const unsigned int samples_per_block = BlockSize / unit_size;
 
-	while (!boost::this_thread::interruption_requested() &&
-		start_sample < _unit_count)
+	while (!_interrupt && start_sample < sample_count)
 	{
 		progress_updated();
 
 		const uint64_t end_sample = min(
-			start_sample + samples_per_block, _unit_count);
+			start_sample + samples_per_block, sample_count);
 		snapshot->get_samples(data, start_sample, end_sample);
 
 		if(sr_session_append(_file_name.c_str(), data, unit_size,
@@ -181,13 +187,10 @@ void StoreSession::store_proc(shared_ptr<data::LogicSnapshot> snapshot)
 		}
 
 		start_sample = end_sample;
-
-		{
-			lock_guard<mutex> lock(_mutex);
-			_units_stored = start_sample;
-		}
+		_units_stored = start_sample >> progress_scale;
 	}
 
+	_unit_count = 0;
 	progress_updated();
 
 	delete[] data;