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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 18:24:20 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 18:24:20 +0000
commit483eb2f56657e8e7f419ab1a4fab8dce9ade8609 (patch)
treee5d88d25d870d5dedacb6bbdbe2a966086a0a5cf /src/boost/libs/thread/example/executor.cpp
parentInitial commit. (diff)
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Adding upstream version 14.2.21.upstream/14.2.21upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/boost/libs/thread/example/executor.cpp')
-rw-r--r--src/boost/libs/thread/example/executor.cpp207
1 files changed, 207 insertions, 0 deletions
diff --git a/src/boost/libs/thread/example/executor.cpp b/src/boost/libs/thread/example/executor.cpp
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+// Copyright (C) 2012-2013 Vicente Botet
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+#include <boost/config.hpp>
+#if ! defined BOOST_NO_CXX11_DECLTYPE
+#define BOOST_RESULT_OF_USE_DECLTYPE
+#endif
+#include <iostream>
+
+#define BOOST_THREAD_VERSION 4
+#define BOOST_THREAD_PROVIDES_EXECUTORS
+//#define BOOST_THREAD_USES_LOG
+#define BOOST_THREAD_USES_LOG_THREAD_ID
+#define BOOST_THREAD_QUEUE_DEPRECATE_OLD
+
+#include <boost/thread/caller_context.hpp>
+#include <boost/thread/executors/basic_thread_pool.hpp>
+#include <boost/thread/executors/loop_executor.hpp>
+#include <boost/thread/executors/serial_executor.hpp>
+#include <boost/thread/executors/inline_executor.hpp>
+#include <boost/thread/executors/thread_executor.hpp>
+#include <boost/thread/executors/executor.hpp>
+#include <boost/thread/executors/executor_adaptor.hpp>
+#include <boost/thread/executor.hpp>
+#include <boost/thread/future.hpp>
+#include <boost/assert.hpp>
+#include <string>
+#include <iostream>
+#include <cassert>
+
+boost::future<void> p(boost::future<void> f) {
+ assert(f.is_ready());
+ return boost::make_ready_future();
+}
+
+void p1()
+{
+ // std::cout << BOOST_CONTEXTOF << std::endl;
+ //boost::this_thread::sleep_for(boost::chrono::milliseconds(200));
+}
+
+void p2()
+{
+ // std::cout << BOOST_CONTEXTOF << std::endl;
+ //boost::this_thread::sleep_for(boost::chrono::seconds(10));
+}
+
+int f1()
+{
+ std::cout << BOOST_CONTEXTOF << std::endl;
+ boost::this_thread::sleep_for(boost::chrono::seconds(1));
+ std::cout << BOOST_CONTEXTOF << std::endl;
+ return 1;
+}
+int f2(int i)
+{
+ // std::cout << BOOST_CONTEXTOF << std::endl;
+ boost::this_thread::sleep_for(boost::chrono::seconds(2));
+ return i + 1;
+}
+
+void submit_some(boost::executor& tp)
+{
+ for (int i = 0; i < 3; ++i) {
+ tp.submit(&p2);
+ }
+ for (int i = 0; i < 3; ++i) {
+ tp.submit(&p1);
+ }
+
+}
+
+
+void at_th_entry(boost::basic_thread_pool& )
+{
+
+}
+
+int test_executor_adaptor()
+{
+ std::cout << BOOST_CONTEXTOF << std::endl;
+ {
+ try
+ {
+ {
+ boost::executor_adaptor < boost::basic_thread_pool > ea(4);
+ std::cout << BOOST_CONTEXTOF << std::endl;
+ submit_some( ea);
+ std::cout << BOOST_CONTEXTOF << std::endl;
+#if 1
+ // fixme
+ // ERROR= tr1::bad_weak_ptr
+ {
+ boost::future<int> t1 = boost::async(ea, &f1);
+ boost::future<int> t2 = boost::async(ea, &f1);
+ std::cout << BOOST_CONTEXTOF << " t1= " << t1.get() << std::endl;
+ std::cout << BOOST_CONTEXTOF << " t2= " << t2.get() << std::endl;
+ }
+ std::cout << BOOST_CONTEXTOF << std::endl;
+ submit_some(ea);
+ std::cout << BOOST_CONTEXTOF << std::endl;
+ {
+ boost::basic_thread_pool ea3(1);
+ std::cout << BOOST_CONTEXTOF << std::endl;
+ boost::future<int> t1 = boost::async(ea3, &f1);
+ std::cout << BOOST_CONTEXTOF << std::endl;
+ boost::future<int> t2 = boost::async(ea3, &f1);
+ std::cout << BOOST_CONTEXTOF << std::endl;
+ //boost::future<int> t2 = boost::async(ea3, f2, 1); // todo this doesn't compiles yet on C++11
+ //boost::future<int> t2 = boost::async(ea3, boost::bind(f2, 1)); // todo this doesn't compiles yet on C++98
+ std::cout << BOOST_CONTEXTOF << " t1= " << t1.get() << std::endl;
+ std::cout << BOOST_CONTEXTOF << " t2= " << t2.get() << std::endl;
+ }
+#endif
+ std::cout << BOOST_CONTEXTOF << std::endl;
+ submit_some(ea);
+ std::cout << BOOST_CONTEXTOF << std::endl;
+ }
+ std::cout << BOOST_CONTEXTOF << std::endl;
+ {
+ boost::executor_adaptor < boost::loop_executor > ea2;
+ submit_some( ea2);
+ ea2.underlying_executor().run_queued_closures();
+ }
+#if ! defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
+ std::cout << BOOST_CONTEXTOF << std::endl;
+ {
+ boost::executor_adaptor < boost::basic_thread_pool > ea1(4);
+ boost::executor_adaptor < boost::serial_executor > ea2(ea1);
+ submit_some(ea2);
+ }
+#endif
+ std::cout << BOOST_CONTEXTOF << std::endl;
+ {
+ boost::executor_adaptor < boost::inline_executor > ea1;
+ submit_some(ea1);
+ }
+ std::cout << BOOST_CONTEXTOF << std::endl;
+ {
+ boost::executor_adaptor < boost::thread_executor > ea1;
+ submit_some(ea1);
+ }
+ std::cout << BOOST_CONTEXTOF << std::endl;
+#if 1
+ // fixme
+ // ERROR= tr1::bad_weak_ptr
+ {
+ boost::basic_thread_pool ea(4, at_th_entry);
+ boost::future<int> t1 = boost::async(ea, &f1);
+ std::cout << BOOST_CONTEXTOF << " t1= " << t1.get() << std::endl;
+ }
+#endif
+ std::cout << BOOST_CONTEXTOF << std::endl;
+ {
+ boost::async(&f1);
+ }
+#if 1
+ // fixme
+ // ERROR= tr1::bad_weak_ptr
+
+ std::cout << BOOST_CONTEXTOF << std::endl;
+ {
+ boost::basic_thread_pool ea(1);
+ boost::async(ea,&f1);
+ }
+#endif
+ std::cout << BOOST_CONTEXTOF << std::endl;
+ boost::this_thread::sleep_for(boost::chrono::milliseconds(200));
+ std::cout << BOOST_CONTEXTOF << std::endl;
+ }
+ catch (std::exception& ex)
+ {
+ std::cout << "ERROR= " << ex.what() << "" << std::endl;
+ return 1;
+ }
+ catch (...)
+ {
+ std::cout << " ERROR= exception thrown" << std::endl;
+ return 2;
+ }
+ }
+ // std::cout << BOOST_CONTEXTOF << std::endl;
+ return 0;
+}
+
+
+int main()
+{
+ return test_executor_adaptor();
+
+#if 0 && defined BOOST_THREAD_PROVIDES_FUTURE_CONTINUATION \
+ && defined BOOST_THREAD_PROVIDES_EXECUTORS \
+ && ! defined BOOST_NO_CXX11_RVALUE_REFERENCES
+
+ boost::basic_thread_pool executor;
+ // compiles
+ boost::make_ready_future().then(&p);
+
+ // ??
+ boost::make_ready_future().then(executor, &p);
+
+ // doesn't compile
+ boost::make_ready_future().then(executor, &p);
+#endif
+}