From e74cf7635ba3360b5b7002a2f7317941f65ffa16 Mon Sep 17 00:00:00 2001 From: Paul David Date: Tue, 2 May 2017 14:10:05 -0400 Subject: python: Separating exposed Python data structures - Separating exposed Python data structures into logical sections - Exposes all of the multi_usrp API - Adds a layer of Python for documentation and adding helper methods - Adds improvements and fixes to the MultiUSRP object - Includes additional exposed data structures (like time_spec_t, etc.) - Add code to release the Python GIL during long C++ calls --- host/lib/utils/gil_release_python.hpp | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 host/lib/utils/gil_release_python.hpp (limited to 'host/lib/utils/gil_release_python.hpp') diff --git a/host/lib/utils/gil_release_python.hpp b/host/lib/utils/gil_release_python.hpp new file mode 100644 index 000000000..287ba240e --- /dev/null +++ b/host/lib/utils/gil_release_python.hpp @@ -0,0 +1,31 @@ +// +// Copyright 2018 Ettus Research, a National Instruments Company +// +// SPDX-License-Identifier: GPL-3.0-or-later +// + +//! RAII-style GIL release method +// +// To release the GIL using this method, simply instantiate this class in the +// scope that needs to release the GIL. +// +// Note that using this class assumes that threads have already been +// initialized. See also https://docs.python.org/3.5/c-api/init.html for more +// documentation on Python initialization and threads. +class scoped_gil_release +{ +public: + inline scoped_gil_release() + { + _thread_state = PyEval_SaveThread(); + } + + inline ~scoped_gil_release() + { + PyEval_RestoreThread(_thread_state); + _thread_state = nullptr; + } + +private: + PyThreadState* _thread_state; +}; -- cgit v1.2.3