X-Git-Url: http://www.fmaj7b5.info/git?p=cuda.git;a=blobdiff_plain;f=libutils%2Fcuda%2FStream.h;fp=libutils%2Fcuda%2FStream.h;h=791cfb11a50624b642c8d0305ff1c51089faf5da;hp=0000000000000000000000000000000000000000;hb=474dc4b3cd13aea3ccaae408eac81bbb616c056b;hpb=9c4ea7a2596620dcb156a00d12bc55c07ba03339

diff --git a/libutils/cuda/Stream.h b/libutils/cuda/Stream.h
new file mode 100644
index 0000000..791cfb1
--- /dev/null
+++ b/libutils/cuda/Stream.h
@@ -0,0 +1,85 @@
+/*
+	Copyright (C) 2012, 2013  fmaj7b5.info
+
+	This program is free software: you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation, either version 2 of the License, or
+	(at your option) any later version.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef FM7b5_CUDA_STREAM_H
+#define FM7b5_CUDA_STREAM_H
+
+#include <stdexcept>
+#include <cuda_runtime.h>
+
+class Stream
+{
+public:
+	Stream();
+	~Stream();
+	operator cudaStream_t();
+
+	cudaError_t query() const;
+	cudaError_t synchronize() const;
+	cudaError_t wait_event(cudaEvent_t event, unsigned int flags) const;
+
+protected:
+	cudaStream_t m_stream;
+};
+
+Stream::Stream()
+{
+	cudaError_t status;
+
+	status = cudaStreamCreate(&m_stream);
+
+	if (status != cudaSuccess) {
+		throw std::runtime_error(cudaGetErrorString(status));
+	}
+}
+
+Stream::~Stream()
+{
+	cudaError_t status;
+
+	status = cudaStreamDestroy(m_stream);
+
+	if (status != cudaSuccess) {
+		throw std::runtime_error(cudaGetErrorString(status));
+	}
+}
+
+Stream::operator cudaStream_t()
+{
+	return m_stream;
+}
+
+cudaError_t
+Stream::query() const
+{
+	return cudaStreamQuery(m_stream);
+}
+
+cudaError_t
+Stream::synchronize() const
+{
+	return cudaStreamSynchronize(m_stream);
+
+}
+
+cudaError_t
+Stream::wait_event(cudaEvent_t event, unsigned int flags) const
+{
+	return cudaStreamWaitEvent(m_stream, event, flags);
+}
+
+#endif /* FM7b5_CUDA_STREAM_H */