pybind11 TLS test

CMakeLists.txt

cmake_minimum_required (VERSION 2.8)

add_subdirectory(pybind11)

pybind11_add_module(test_gil test_gil.cc)

test.py

import test_gil

test_gil.test()
test_gil.test_in_new_thread()

test_gil.cc

#include <iostream>
#include <thread>

#include <pybind11/pybind11.h>

namespace py = pybind11;

static void test() {
    {
        std::cerr << "1st lock\n";
        py::gil_scoped_acquire lock;
    }

    {
        std::cerr << "2nd lock\n";
        py::gil_scoped_acquire lock;
    }

    std::cerr << "test done\n";
}

static void test_in_new_thread() {
    py::gil_scoped_release release;

    std::thread t(test);
    t.join();
}

PYBIND11_MODULE(test_gil, m) {
    m.def("test", &test);
    m.def("test_in_new_thread", &test_in_new_thread);
}