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-rw-r--r--components/cplusplus/cpp11/gcc/__utils.h59
-rw-r--r--components/cplusplus/cpp11/gcc/condition_variable222
-rw-r--r--components/cplusplus/cpp11/gcc/condition_variable.cpp34
-rw-r--r--components/cplusplus/cpp11/gcc/future336
-rw-r--r--components/cplusplus/cpp11/gcc/mutex512
-rw-r--r--components/cplusplus/cpp11/gcc/mutex.cpp52
-rw-r--r--components/cplusplus/cpp11/gcc/thread239
-rw-r--r--components/cplusplus/cpp11/gcc/thread.cpp94
-rw-r--r--components/cplusplus/cpp11/gcc/utils.cpp29
9 files changed, 0 insertions, 1577 deletions
diff --git a/components/cplusplus/cpp11/gcc/__utils.h b/components/cplusplus/cpp11/gcc/__utils.h
deleted file mode 100644
index f9a3c93796..0000000000
--- a/components/cplusplus/cpp11/gcc/__utils.h
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date Author Notes
- * 2021-04-27 flybreak the first version.
- */
-
-#pragma once
-
-#include <cstdlib>
-#include <system_error>
-#include <chrono>
-#include <ratio>
-
-#include <rtthread.h>
-
-#define RT_USING_CPP_EXCEPTION
-
-inline void throw_system_error(int err, const char *what_msg)
-{
-#ifdef RT_USING_CPP_EXCEPTION
- throw std::system_error(std::error_code(err, std::system_category()), what_msg);
-#else
- (void)err;
- (void)what_msg;
- ::abort();
-#endif
-}
-
-class tick_clock
-{
-public:
- typedef clock_t rep;
- typedef std::ratio<1, RT_TICK_PER_SECOND> period;
-
- typedef std::chrono::duration<tick_clock::rep, tick_clock::period> duration;
- typedef std::chrono::time_point<tick_clock> time_point;
-
- constexpr static bool is_ready = true;
-
- static time_point now();
-};
-
-class real_time_clock
-{
-public:
- typedef std::chrono::nanoseconds duration;
- typedef duration::rep rep;
- typedef duration::period period;
- typedef std::chrono::time_point<real_time_clock, duration> time_point;
-
- static constexpr bool is_steady = true;
-
- static time_point
- now() noexcept;
-};
diff --git a/components/cplusplus/cpp11/gcc/condition_variable b/components/cplusplus/cpp11/gcc/condition_variable
deleted file mode 100644
index f2d48dd5b5..0000000000
--- a/components/cplusplus/cpp11/gcc/condition_variable
+++ /dev/null
@@ -1,222 +0,0 @@
-#pragma once
-
-#if __cplusplus < 201103L
-#error "C++ version lower than C++11"
-#endif
-
-#include <pthread.h>
-
-#include <system_error>
-#include <chrono>
-#include <utility>
-#include <functional>
-#include <memory>
-
-#include "__utils.h"
-#include "mutex"
-
-#define rt_cpp_cond_var pthread_cond_t
-
-namespace std
-{
-
- enum class cv_status
- {
- no_timeout,
- timeout
- };
-
- class condition_variable
- {
- public:
- typedef rt_cpp_cond_var *native_handle_type;
-
- condition_variable(const condition_variable &) = delete;
- condition_variable &operator=(const condition_variable &) = delete;
-
- condition_variable() = default;
-
- ~condition_variable()
- {
- pthread_cond_destroy(&_m_cond);
- }
-
- void wait(unique_lock<mutex> &lock);
-
- void notify_one() noexcept
- {
- pthread_cond_signal(&_m_cond);
- }
-
- void notify_all() noexcept
- {
- pthread_cond_broadcast(&_m_cond);
- }
-
- template <class Predicate>
- void wait(unique_lock<mutex> &lock, Predicate pred)
- {
- while (!pred())
- wait(lock);
- }
-
- template <class Clock, class Duration>
- cv_status wait_until(unique_lock<mutex> &lock,
- const chrono::time_point<Clock, Duration> &abs_time)
- {
- if (!lock.owns_lock())
- throw_system_error((int)errc::operation_not_permitted,
- "condition_variable::wailt_until: waiting on unlocked lock");
- auto secs = chrono::time_point_cast<chrono::seconds>(abs_time);
- auto nano_secs = chrono::duration_cast<chrono::nanoseconds>(abs_time - secs);
-
- struct timespec c_abs_time = {static_cast<time_t>(secs.time_since_epoch().count()),
- static_cast<long>(nano_secs.count())};
-
- pthread_cond_timedwait(&_m_cond, lock.mutex()->native_handle(), &c_abs_time);
-
- return (Clock::now() < abs_time) ? cv_status::no_timeout : cv_status::timeout;
- }
-
- template <class Clock, class Duration, class Predicate>
- bool wait_until(unique_lock<mutex> &lock,
- const chrono::time_point<Clock, Duration> &abs_time,
- Predicate pred)
- {
- while (!pred())
- if (wait_until(lock, abs_time) == cv_status::timeout)
- return pred();
- return true;
- }
-
- template <class Rep, class Period>
- cv_status wait_for(unique_lock<mutex> &lock,
- const chrono::duration<Rep, Period> &rel_time)
- {
- return wait_until(lock, real_time_clock::now() + rel_time);
- }
-
- template <class Rep, class Period, class Predicate>
- bool wait_for(unique_lock<mutex> &lock,
- const chrono::duration<Rep, Period> &rel_time,
- Predicate pred)
- {
- return wait_until(lock, real_time_clock::now() + rel_time, std::move(pred));
- }
-
- native_handle_type native_handle()
- {
- return &_m_cond;
- }
-
- private:
- rt_cpp_cond_var _m_cond = PTHREAD_COND_INITIALIZER;
- };
-
- // Lockable is only required to have `lock()` and `unlock()`
- class condition_variable_any
- {
- private:
- condition_variable _m_cond;
- shared_ptr<mutex> _m_mtx;
-
- // so that Lockable automatically unlocks when waiting and locks after waiting
- template <class Lockable>
- struct unlocker
- {
- Lockable &_m_lock;
-
- explicit unlocker(Lockable &lk)
- : _m_lock(lk)
- {
- _m_lock.unlock();
- }
-
- ~unlocker()
- {
- _m_lock.lock();
- }
-
- unlocker(const unlocker &) = delete;
- unlocker &operator=(const unlocker &) = delete;
- };
-
- public:
- condition_variable_any() : _m_mtx(std::make_shared<mutex>()) {}
- ~condition_variable_any() = default;
-
- condition_variable_any(const condition_variable_any &) = delete;
- condition_variable_any &operator=(const condition_variable_any &) = delete;
-
- void notify_one() noexcept
- {
- lock_guard<mutex> lk(*_m_mtx);
- _m_cond.notify_one();
- }
-
- void notify_all() noexcept
- {
- lock_guard<mutex> lk(*_m_mtx);
- _m_cond.notify_all();
- }
-
- template <class Lock>
- void wait(Lock &lock)
- {
- shared_ptr<mutex> mut = _m_mtx;
- unique_lock<mutex> lk(*mut);
- unlocker<Lock> auto_lk(lock); // unlock here
-
- unique_lock<mutex> lk2(std::move(lk));
- _m_cond.wait(lk2);
- } // mut.unlock(); lock.lock();
-
- template <class Lock, class Predicate>
- void wait(Lock &lock, Predicate pred)
- {
- while (!pred())
- wait(lock);
- }
-
- template <class Lock, class Clock, class Duration>
- cv_status wait_until(Lock &lock,
- const chrono::time_point<Clock, Duration> &abs_time)
- {
- shared_ptr<mutex> mut = _m_mtx;
- unique_lock<mutex> lk(*mut);
- unlocker<Lock> auto_lk(lock); // unlock here
-
- unique_lock<mutex> lk2(std::move(lk));
- return _m_cond.wait_until(lk2, abs_time);
- }
-
- template <class Lock, class Clock, class Duration, class Predicate>
- bool wait_until(Lock &lock,
- const chrono::time_point<Clock, Duration> &abs_time,
- Predicate pred)
- {
- while (!pred())
- if (wait_until(lock, abs_time) == cv_status::timeout)
- return pred();
- return true;
- }
-
- template <class Lock, class Rep, class Period>
- cv_status wait_for(Lock &lock,
- const chrono::duration<Rep, Period> &rel_time)
- {
- return wait_until(lock, real_time_clock::now() + rel_time);
- }
-
- template <class Lock, class Rep, class Period, class Predicate>
- bool wait_for(Lock &lock,
- const chrono::duration<Rep, Period> &rel_time,
- Predicate pred)
- {
- return wait_until(lock, real_time_clock::now() + rel_time, std::move(pred));
- }
- };
-
- void notify_all_at_thread_exit(condition_variable &cond, unique_lock<mutex> lk);
-
-} // namespace std
diff --git a/components/cplusplus/cpp11/gcc/condition_variable.cpp b/components/cplusplus/cpp11/gcc/condition_variable.cpp
deleted file mode 100644
index 2860dd9161..0000000000
--- a/components/cplusplus/cpp11/gcc/condition_variable.cpp
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date Author Notes
- * 2021-04-27 flybreak the first version.
- */
-
-#include "condition_variable"
-
-namespace std
-{
- void condition_variable::wait(unique_lock<mutex>& lock)
- {
- int err = pthread_cond_wait(&_m_cond, lock.mutex()->native_handle());
-
- if (err)
- {
- throw_system_error(err, "condition_variable::wait: failed to wait on a condition");
- }
- }
-
- void notify_all_at_thread_exit(condition_variable& cond, unique_lock<mutex> lk)
- {
- // TLS currently not available
- mutex* mut = lk.release();
- mut->unlock();
- cond.notify_all();
- }
-
-
-} // namespace std
diff --git a/components/cplusplus/cpp11/gcc/future b/components/cplusplus/cpp11/gcc/future
deleted file mode 100644
index 6a686063fb..0000000000
--- a/components/cplusplus/cpp11/gcc/future
+++ /dev/null
@@ -1,336 +0,0 @@
-#pragma once
-
-#if __cplusplus < 201103L
-#error "C++ version lower than C++11"
-#endif
-
-#include <mutex>
-#include <condition_variable>
-#include <memory>
-#include <chrono>
-#include <cassert>
-
-namespace std {
-
-enum class future_status {
- ready,
- timeout,
- deferred
-};
-
-namespace detail {
-
-class shared_state_base {
-protected:
- typedef void (*deleter_fn)(void *v);
-
- using scoped_lock = std::lock_guard<std::mutex>;
- using unique_lock = std::unique_lock<std::mutex>;
-public:
- explicit shared_state_base(deleter_fn d) : v_(nullptr), d_(d), valid_(true) {}
-
- ~shared_state_base() { d_(v_); }
-
- shared_state_base(shared_state_base &&other) = delete;
-
- shared_state_base(const shared_state_base &other) = delete;
-
- shared_state_base &operator=(shared_state_base &&other) = delete;
-
- shared_state_base &operator=(const shared_state_base &other) = delete;
-
- void wait() {
- unique_lock lock(m_);
- c_.wait(lock, [this] { return has_value(); });
- }
-
- template <class Rep, class Period>
- std::future_status
- wait_for(const std::chrono::duration<Rep, Period> &rel_time) {
- unique_lock lock(m_);
- if (c_.wait_for(lock, rel_time, [this] { return has_value(); })) {
- return std::future_status::ready;
- }
- return std::future_status::timeout;
- }
-
- template <class Clock, class Duration>
- std::future_status
- wait_until(const std::chrono::time_point<Clock, Duration> &abs_time) {
- unique_lock lock(m_);
- if (c_.wait_until(lock, abs_time, [this] { return has_value(); })) {
- return std::future_status::ready;
- }
- return std::future_status::timeout;
- }
-
-protected:
- bool has_value() { return v_ != nullptr; }
-
-protected:
- std::mutex m_;
- std::condition_variable c_;
- void *v_;
- deleter_fn d_;
- bool valid_;
-};
-
-
-template <typename R>
-class shared_state: public shared_state_base {
-public:
- shared_state() :shared_state_base(default_deleter_) {}
-
- ~shared_state() {}
-
- R &get() {
- wait();
- scoped_lock lock(m_);
- assert(valid_);
- valid_ = false;
- return *(static_cast<R *>(v_));
- }
-
- void set(const R &v) {
- scoped_lock lock(m_);
- assert(!has_value());
- v_ = new R(v);
- valid_ = true;
- c_.notify_one();
- }
-
- void set(R &&v) {
- scoped_lock lock(m_);
- assert(!has_value());
- v_ = new R(std::move(v));
- valid_ = true;
- c_.notify_one();
- }
-
- bool valid() {
- scoped_lock lock(m_);
- return valid_;
- }
-
-private:
- static void default_deleter_(void *v) { delete static_cast<R *>(v); }
-};
-
-} // namespace detail
-
-template <typename R>
-class shared_future {
-};
-
-
-template <typename R>
-class future {
- using state_type = std::shared_ptr<detail::shared_state<R>>;
-public:
- future() {}
-
- explicit future(const state_type &state) : state_(state) {}
-
- future(future &&other) noexcept: state_(std::move(other.state_)) {
- other.state_.reset();
- }
-
- future(const future &other) = delete;
-
- ~future() {}
-
- future &operator=(future &&other) noexcept {
- if (&other != this) {
- state_ = std::move(other.state_);
- other.state_.reset();
- }
- return *this;
- }
-
- future &operator=(const future &other) = delete;
-
- void swap(future &other) noexcept {
- std::swap(state_, other.state_);
- }
-
- std::shared_future<R> share() noexcept { return std::shared_future<R>(); }
-
- R get() { return state_->get(); }
-
- bool valid() const noexcept { return state_->valid(); }
-
- void wait() const { state_->wait(); }
-
- template <class Rep, class Period>
- std::future_status
- wait_for(const std::chrono::duration<Rep, Period> &rel_time) const {
- return state_->wait_for(rel_time);
- }
-
- template <class Clock, class Duration>
- std::future_status
- wait_until(const std::chrono::time_point<Clock, Duration> &abs_time) const {
- return state_->wait_until(abs_time);
- }
-
-private:
- state_type state_;
-};
-
-
-template <>
-class future<void> {
- using state_type = std::shared_ptr<detail::shared_state<int>>;
-public:
- future() {}
-
- explicit future(const state_type &state) : state_(state) {}
-
- future(future &&other) noexcept: state_(std::move(other.state_)) {
- other.state_.reset();
- }
-
- future(const future &other) = delete;
-
- ~future() {}
-
- future &operator=(future &&other) noexcept {
- if (&other != this) {
- state_ = std::move(other.state_);
- other.state_.reset();
- }
- return *this;
- }
-
- future &operator=(const future &other) = delete;
-
- void swap(future &other) noexcept {
- std::swap(state_, other.state_);
- }
-
- std::shared_future<void> share() noexcept { return std::shared_future<void>(); }
-
- void get() { state_->get(); }
-
- bool valid() const noexcept { return state_->valid(); }
-
- void wait() const { state_->wait(); }
-
- template <class Rep, class Period>
- std::future_status
- wait_for(const std::chrono::duration<Rep, Period> &rel_time) const {
- return state_->wait_for(rel_time);
- }
-
- template <class Clock, class Duration>
- std::future_status
- wait_until(const std::chrono::time_point<Clock, Duration> &abs_time) const {
- return state_->wait_until(abs_time);
- }
-
-private:
- state_type state_;
-};
-
-
-template <typename R>
-class promise {
- using state_type = std::shared_ptr<detail::shared_state<R>>;
-public:
- promise() : state_(new detail::shared_state<R>()) {}
-
- promise(promise &&other) noexcept: state_(std::move(other.state_)) {
- other.state_.reset();
- }
-
- promise(const promise &other) = delete;
-
- ~promise() {}
-
- promise &operator=(promise &&other) noexcept {
- if (&other != this) {
- state_ = std::move(other.state_);
- other.state_.reset();
- }
- return *this;
- }
-
- promise &operator=(const promise &other) = delete;
-
- void swap(promise &other) noexcept {
- std::swap(state_, other.state_);
- }
-
- std::future<R> get_future() { return std::future<R>(state_); }
-
- void set_value(const R &value) { state_->set(value); }
-
- void set_value(R &&value) { state_->set(std::move(value)); }
-
- void set_value_at_thread_exit(const R &value);
-
- void set_value_at_thread_exit(R &&value);
-
- void set_exception(std::exception_ptr p);
-
- void set_exception_at_thread_exit(std::exception_ptr p);
-
-private:
- state_type state_;
-};
-
-
-template <>
-class promise<void> {
- using state_type = std::shared_ptr<detail::shared_state<int>>;
-public:
- promise() : state_(new detail::shared_state<int>()) {}
-
- promise(promise &&other) noexcept: state_(std::move(other.state_)) {
- other.state_.reset();
- }
-
- promise(const promise &other) = delete;
-
- ~promise() {}
-
- promise &operator=(promise &&other) noexcept {
- if (&other != this) {
- state_ = std::move(other.state_);
- other.state_.reset();
- }
- return *this;
- }
-
- promise &operator=(const promise &other) = delete;
-
- void swap(promise &other) noexcept {
- std::swap(state_, other.state_);
- }
-
- std::future<void> get_future() { return std::future<void>(state_); }
-
- void set_value() { state_->set(0); }
-
- void set_value_at_thread_exit();
-
- void set_exception(std::exception_ptr p);
-
- void set_exception_at_thread_exit(std::exception_ptr p);
-
-private:
- state_type state_;
-};
-
-
-template <class R>
-void swap(std::future<R> &lhs, std::future<R> &rhs) noexcept {
- lhs.swap(rhs);
-}
-
-template <class R>
-void swap(std::promise<R> &lhs, std::promise<R> &rhs) noexcept {
- lhs.swap(rhs);
-}
-
-} // namespace std
diff --git a/components/cplusplus/cpp11/gcc/mutex b/components/cplusplus/cpp11/gcc/mutex
deleted file mode 100644
index 3fdf86632b..0000000000
--- a/components/cplusplus/cpp11/gcc/mutex
+++ /dev/null
@@ -1,512 +0,0 @@
-#pragma once
-
-#if __cplusplus < 201103L
-#error "C++ version lower than C++11"
-#endif
-
-//#if defined(RT_USING_PTHREADS)
-
-#include <pthread.h>
-
-#include <system_error>
-#include <chrono>
-#include <utility>
-#include <functional>
-
-#include "__utils.h"
-
-#define rt_cpp_mutex_t pthread_mutex_t
-
-namespace std
-{
- // Base class on which to build std::mutex and std::timed_mutex
- class __mutex_base
- {
- protected:
- typedef rt_cpp_mutex_t __native_type;
-
- __native_type _m_mutex = PTHREAD_MUTEX_INITIALIZER;
-
- constexpr __mutex_base() noexcept = default;
- __mutex_base(const __mutex_base&) = delete;
- __mutex_base& operator=(const __mutex_base&) = delete;
- };
-
-
- class mutex : private __mutex_base
- {
- public:
- constexpr mutex() = default;
- ~mutex() = default;
-
- mutex(const mutex&) = delete;
- mutex& operator=(const mutex&) = delete;
-
- void lock()
- {
- int err = pthread_mutex_lock(&_m_mutex);
-
- if (err)
- {
- throw_system_error(err, "mutex:lock failed.");
- }
- }
-
- bool try_lock() noexcept
- {
- return !pthread_mutex_trylock(&_m_mutex);
- }
-
- void unlock() noexcept
- {
- pthread_mutex_unlock(&_m_mutex);
- }
-
- typedef __native_type* native_handle_type;
-
- native_handle_type native_handle()
- {
- return &_m_mutex;
- };
-
- };
-
- inline int __rt_cpp_recursive_mutex_init(rt_cpp_mutex_t* m)
- {
- pthread_mutexattr_t attr;
- int res;
-
- res = pthread_mutexattr_init(&attr);
- if (res)
- return res;
- res = pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
- if (res)
- goto attr_cleanup;
- res = pthread_mutex_init(m, &attr);
-
- attr_cleanup:
- int err = pthread_mutexattr_destroy(&attr);
- return res ? res : err;
- }
-
- class __recursive_mutex_base
- {
- protected:
- typedef rt_cpp_mutex_t __native_type;
-
- __native_type _m_recursive_mutex;
-
- __recursive_mutex_base(const __recursive_mutex_base&) = delete;
- __recursive_mutex_base& operator=(const __recursive_mutex_base&) = delete;
-
- __recursive_mutex_base()
- {
- int err = __rt_cpp_recursive_mutex_init(&_m_recursive_mutex);
- if (err)
- throw_system_error(err, "Recursive mutex failed to construct");
- }
-
- ~__recursive_mutex_base()
- {
- pthread_mutex_destroy(&_m_recursive_mutex);
- }
- };
-
- class recursive_mutex : private __recursive_mutex_base
- {
- public:
- typedef __native_type* native_handle_type;
- recursive_mutex() = default;
- ~recursive_mutex() = default;
-
- recursive_mutex(const recursive_mutex&) = delete;
- recursive_mutex& operator=(const recursive_mutex&) = delete;
- void lock()
- {
- int err = pthread_mutex_lock(&_m_recursive_mutex);
-
- if (err)
- throw_system_error(err, "recursive_mutex::lock failed");
- }
-
- bool try_lock() noexcept
- {
- return !pthread_mutex_trylock(&_m_recursive_mutex);
- }
-
- void unlock() noexcept
- {
- pthread_mutex_unlock(&_m_recursive_mutex);
- }
-
- native_handle_type native_handle()
- { return &_m_recursive_mutex; }
- };
-
-#ifdef RT_PTHREAD_TIMED_MUTEX
-
- class timed_mutex;
-
- class recursive_timed_mutex;
-
-#endif // RT_PTHREAD_TIMED_MUTEX
-
-
- struct defer_lock_t {};
- struct try_to_lock_t {};
- struct adopt_lock_t {}; // take ownership of a locked mtuex
-
- constexpr defer_lock_t defer_lock { };
- constexpr try_to_lock_t try_to_lock { };
- constexpr adopt_lock_t adopt_lock { };
-
- template <class Mutex>
- class lock_guard
- {
- public:
- typedef Mutex mutex_type;
-
- explicit lock_guard(mutex_type& m) : pm(m) { pm.lock(); }
- lock_guard(mutex_type& m, adopt_lock_t) noexcept : pm(m)
- { }
- ~lock_guard()
- { pm.unlock(); }
-
- lock_guard(lock_guard const&) = delete;
- lock_guard& operator=(lock_guard const&) = delete;
-
- private:
- mutex_type& pm;
-
- };
-
- template <class Mutex>
- class unique_lock
- {
- public:
- typedef Mutex mutex_type;
-
- unique_lock() noexcept : pm(nullptr), owns(false) { }
-
- explicit unique_lock(mutex_type& m)
- : pm(std::addressof(m)), owns(false)
- {
- lock();
- owns = true;
- }
-
- unique_lock(mutex_type& m, defer_lock_t) noexcept
- : pm(std::addressof(m)), owns(false)
- { }
-
- unique_lock(mutex_type& m, try_to_lock_t) noexcept
- : pm(std::addressof(m)), owns(pm->try_lock())
- { }
-
- unique_lock(mutex_type& m, adopt_lock_t) noexcept
- : pm(std::addressof(m)), owns(true)
- { }
-
- // any lock-involving timed mutex API is currently only for custom implementations
- // the standard ones are not available
- template <class Clock, class Duration>
- unique_lock(mutex_type& m, const chrono::time_point<Clock, Duration>& abs_time) noexcept
- : pm(std::addressof(m)), owns(pm->try_lock_until(abs_time))
- { }
-
- template <class Rep, class Period>
- unique_lock(mutex_type& m, const chrono::duration<Rep, Period>& rel_time) noexcept
- : pm(std::addressof(m)), owns(pm->try_lock_for(rel_time))
- { }
-
- ~unique_lock()
- {
- if (owns)
- unlock();
- }
-
- unique_lock(unique_lock const&) = delete;
- unique_lock& operator=(unique_lock const&) = delete;
-
- unique_lock(unique_lock&& u) noexcept
- : pm(u.pm), owns(u.owns)
- {
- u.pm = nullptr;
- u.owns = false;
- }
-
- unique_lock& operator=(unique_lock&& u) noexcept
- {
- if (owns)
- unlock();
-
- unique_lock(std::move(u)).swap(*this);
-
- u.pm = nullptr;
- u.owns = false;
-
- return *this;
- }
-
- void lock()
- {
- if (!pm)
- throw_system_error(int(errc::operation_not_permitted),
- "unique_lock::lock: references null mutex");
- else if (owns)
- throw_system_error(int(errc::resource_deadlock_would_occur),
- "unique_lock::lock: already locked" );
- else {
- pm->lock();
- owns = true;
- }
- }
-
- bool try_lock()
- {
- if (!pm)
- throw_system_error(int(errc::operation_not_permitted),
- "unique_lock::try_lock: references null mutex");
- else if (owns)
- throw_system_error(int(errc::resource_deadlock_would_occur),
- "unique_lock::try_lock: already locked" );
- else {
- owns = pm->try_lock();
- }
- return owns;
- }
-
- template <class Rep, class Period>
- bool try_lock_for(const chrono::duration<Rep, Period>& rel_time)
- {
- if (!pm)
- throw_system_error(int(errc::operation_not_permitted),
- "unique_lock::try_lock_for: references null mutex");
- else if (owns)
- throw_system_error(int(errc::resource_deadlock_would_occur),
- "unique_lock::try_lock_for: already locked");
- else {
- owns = pm->try_lock_for(rel_time);
- }
- return owns;
- }
-
- template <class Clock, class Duration>
- bool try_lock_until(const chrono::time_point<Clock, Duration>& abs_time)
- {
- if (!pm)
- throw_system_error(int(errc::operation_not_permitted),
- "unique_lock::try_lock_until: references null mutex");
- else if (owns)
- throw_system_error(int(errc::resource_deadlock_would_occur),
- "unique_lock::try_lock_until: already locked");
- else {
- owns = pm->try_lock_until(abs_time);
- }
- return owns;
- }
-
- void unlock()
- {
- if (!owns)
- throw_system_error(int(errc::operation_not_permitted),
- "unique_lock::unlock: not locked");
- else {
- pm->unlock();
- owns = false;
- }
- }
-
- void swap(unique_lock& u) noexcept
- {
- std::swap(pm, u.pm);
- std::swap(owns, u.owns);
- }
-
- mutex_type *release() noexcept
- {
- mutex_type* ret_mutex = pm;
- pm = nullptr;
- owns = false;
-
- return ret_mutex;
- }
-
- bool owns_lock() const noexcept
- { return owns; }
-
- explicit operator bool() const noexcept
- { return owns_lock(); }
-
- mutex_type* mutex() const noexcept
- { return pm; }
-
-
- private:
- mutex_type *pm;
- bool owns;
- };
-
- template <class Mutex>
- void swap(unique_lock<Mutex>& x, unique_lock<Mutex>& y)
- {
- x.swap(y);
- }
-
- template <class L0, class L1>
- int try_lock(L0& l0, L1& l1)
- {
- unique_lock<L0> u0(l0, try_to_lock); // try to lock the first Lockable
- // using unique_lock since we don't want to unlock l0 manually if l1 fails to lock
- if (u0.owns_lock())
- {
- if (l1.try_lock()) // lock the second one
- {
- u0.release(); // do not let RAII of a unique_lock unlock l0
- return -1;
- }
- else
- return 1;
- }
- return 0;
- }
-
-
- template <class L0, class L1, class L2, class... L3>
- int try_lock(L0& l0, L1& l1, L2& l2, L3&... l3)
- {
- int r = 0;
- unique_lock<L0> u0(l0, try_to_lock);
- // automatically unlock is done through RAII of unique_lock
- if (u0.owns_lock())
- {
- r = try_lock(l1, l2, l3...);
- if (r == -1)
- u0.release();
- else
- ++r;
- }
- return r;
- }
-
- template <class L0, class L1, class L2, class ...L3>
- void
- __lock_first(int i, L0& l0, L1& l1, L2& l2, L3&... l3)
- {
- while (true)
- {
- // we first lock the one that is the most difficult to lock
- switch (i)
- {
- case 0:
- {
- unique_lock<L0> u0(l0);
- i = try_lock(l1, l2, l3...);
- if (i == -1)
- {
- u0.release();
- return;
- }
- }
- ++i;
- sched_yield();
- break;
- case 1:
- {
- unique_lock<L1> u1(l1);
- i = try_lock(l2, l3..., l0);
- if (i == -1)
- {
- u1.release();
- return;
- }
- }
- if (i == sizeof...(L3) + 1) // all except l0 are locked
- i = 0;
- else
- i += 2; // since i was two-based above
- sched_yield();
- break;
- default:
- __lock_first(i - 2, l2, l3..., l0, l1);
- return;
- }
- }
- }
-
-
- template <class L0, class L1>
- void lock(L0& l0, L1& l1)
- {
- while (true)
- {
- {
- unique_lock<L0> u0(l0);
- if (l1.try_lock())
- {
- u0.release();
- break;
- }
- }
- sched_yield();
- // wait and try the other way
- {
- unique_lock<L1> u1(l1);
- if (l0.try_lock())
- {
- u1.release();
- break;
- }
- }
- sched_yield();
- }
- }
-
- template <class L0, class L1, class... L2>
- void lock(L0& l0, L1& l1, L2&... l2)
- {
- __lock_first(0, l0, l1, l2...);
- }
-
- struct once_flag
- {
- constexpr once_flag() noexcept = default;
-
- once_flag(const once_flag&) = delete;
- once_flag& operator=(const once_flag&) = delete;
-
- template <class Callable, class... Args>
- friend void call_once(once_flag& flag, Callable&& func, Args&&... args);
-
- private:
- pthread_once_t _m_once = PTHREAD_ONCE_INIT;
- };
-
- mutex& get_once_mutex();
- extern function<void()> once_functor;
- extern void set_once_functor_lock_ptr(unique_lock<mutex>*);
-
- extern "C" void once_proxy(); // passed into pthread_once
-
- template <class Callable, class... Args>
- void call_once(once_flag& flag, Callable&& func, Args&&... args)
- {
- // use a lock to ensure the call to the functor
- // is exclusive to only the first calling thread
- unique_lock<mutex> functor_lock(get_once_mutex());
-
- auto call_wrapper = std::bind(std::forward<Callable>(func), std::forward<Args>(args)...);
- once_functor = [&]() { call_wrapper(); };
-
- set_once_functor_lock_ptr(&functor_lock); // so as to unlock when actually calling
-
- int err = pthread_once(&flag._m_once, &once_proxy);
-
- if (functor_lock)
- set_once_functor_lock_ptr(nullptr);
- if (err)
- throw_system_error(err, "call_once failed");
- }
-}
-
-//#endif //(RT_USING_PTHREADS) \ No newline at end of file
diff --git a/components/cplusplus/cpp11/gcc/mutex.cpp b/components/cplusplus/cpp11/gcc/mutex.cpp
deleted file mode 100644
index e11f6d8990..0000000000
--- a/components/cplusplus/cpp11/gcc/mutex.cpp
+++ /dev/null
@@ -1,52 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date Author Notes
- * 2021-04-27 flybreak the first version.
- */
-
-#include "mutex"
-
-namespace std
-{
- // use a set of global and static objects
- // a proxy function to pthread_once
-
- function<void()> once_functor;
-
- mutex& get_once_mutex()
- {
- static mutex once_mutex;
- return once_mutex;
- }
-
- inline unique_lock<mutex>*& get_once_functor_lock_ptr()
- {
- static unique_lock<mutex>* once_functor_mutex_ptr = nullptr;
- return once_functor_mutex_ptr;
- }
-
- void set_once_functor_lock_ptr(unique_lock<mutex>* m_ptr)
- {
- get_once_functor_lock_ptr() = m_ptr;
- }
-
- extern "C"
- {
- void once_proxy()
- {
- // need to first transfer the functor's ownership so as to call it
- function<void()> once_call = std::move(once_functor);
-
- // no need to hold the lock anymore
- unique_lock<mutex>* lock_ptr = get_once_functor_lock_ptr();
- get_once_functor_lock_ptr() = nullptr;
- lock_ptr->unlock();
-
- once_call();
- }
- }
-}
diff --git a/components/cplusplus/cpp11/gcc/thread b/components/cplusplus/cpp11/gcc/thread
deleted file mode 100644
index 60e3ec964c..0000000000
--- a/components/cplusplus/cpp11/gcc/thread
+++ /dev/null
@@ -1,239 +0,0 @@
-#pragma once
-
-#if __cplusplus < 201103L
-#error "C++ version lower than C++11"
-#endif
-
-//#if defined(RT_USING_PTHREADS)
-
-#include <unistd.h>
-#include <pthread.h>
-#include <sched.h>
-#include <rtthread.h>
-
-#include <cstddef>
-#include <cerrno>
-#include <ostream>
-#include <functional>
-#include <utility>
-#include <chrono>
-#include <memory>
-
-#define rt_cpp_thread_t pthread_t
-#ifndef PTHREAD_NUM_MAX
-#define PTHREAD_NUM_MAX 32
-#endif
-#define CPP_UNJOINABLE_THREAD PTHREAD_NUM_MAX
-
-namespace std
-{
- #define __STDCPP_THREADS__ __cplusplus
-
-
-
- class thread
- {
- public:
- typedef rt_cpp_thread_t native_handle_type;
-
- struct invoker_base;
- typedef shared_ptr<invoker_base> invoker_base_ptr;
-
- class id
- {
- // basically a wrapper around native_handle_type
- native_handle_type __cpp_thread_t;
-
- public:
- id() noexcept : __cpp_thread_t(CPP_UNJOINABLE_THREAD) {}
-
- explicit id(native_handle_type hid)
- : __cpp_thread_t(hid) {}
- private:
- friend class thread;
- friend class hash<thread::id>;
-
- friend bool operator==(thread::id x, thread::id y) noexcept;
-
- friend bool operator<(thread::id x, thread::id y) noexcept;
-
- template <class charT, class traits>
- friend basic_ostream<charT, traits>&
- operator<<(basic_ostream<charT, traits>& out, thread::id id);
- };
-
- thread() noexcept = default;
- thread(const thread&) = delete;
- thread& operator=(const thread&) = delete;
- ~thread();
-
- template <class F, class ...Args>
- explicit thread(F&& f, Args&&... args)
- {
- start_thread(make_invoker_ptr(std::bind(
- std::forward<F>(f),
- std::forward<Args>(args)...
- )));
- }
-
- thread(thread&& t) noexcept
- {
- swap(t);
- }
-
- thread& operator=(thread&& t) noexcept
- {
- if (joinable())
- terminate();
- swap(t);
- return *this;
- }
-
- // member functions
- void swap(thread& t) noexcept
- {
- std::swap(_m_thr, t._m_thr);
- }
-
- bool joinable() const noexcept
- {
- return (_m_thr.__cpp_thread_t < PTHREAD_NUM_MAX);
- }
-
- void join();
-
- void detach();
-
- id get_id() const noexcept { return _m_thr; }
-
- native_handle_type native_handle() { return _m_thr.__cpp_thread_t; }
-
- // static members
- static unsigned hardware_concurrency() noexcept;
-
- private:
- id _m_thr;
-
- void start_thread(invoker_base_ptr b);
- public:
- struct invoker_base
- {
- invoker_base_ptr this_ptr;
-
- virtual ~invoker_base() = default;
-
- virtual void invoke() = 0;
- };
-
-
- template<typename Callable>
- struct invoker : public invoker_base
- {
- Callable func;
-
- invoker(Callable&& F) : func(std::forward<Callable>(F)) { }
-
- void invoke() { func(); }
- };
-
- template <typename Callable>
- shared_ptr<invoker<Callable>> make_invoker_ptr(Callable&& F)
- {
- return std::make_shared<invoker<Callable>>(std::forward<Callable>(F));
- }
-
-
- };
-
- inline void swap(thread& x, thread& y) noexcept
- {
- x.swap(y);
- }
-
-
- inline bool operator==(thread::id x, thread::id y) noexcept
- {
- // From POSIX for pthread_equal:
- //"If either t1 or t2 are not valid thread IDs, the behavior is undefined."
- return x.__cpp_thread_t == y.__cpp_thread_t;
- }
-
- inline bool operator!=(thread::id x, thread::id y) noexcept
- {
- return !(x == y);
- }
-
- inline bool operator<(thread::id x, thread::id y) noexcept
- {
- return x.__cpp_thread_t < y.__cpp_thread_t;
- }
-
- inline bool operator<=(thread::id x, thread::id y) noexcept
- {
- return !(y < x);
- }
-
- inline bool operator>(thread::id x, thread::id y) noexcept
- {
- return !(x <= y);
- }
-
- inline bool operator>=(thread::id x, thread::id y) noexcept
- {
- return !(x < y);
- }
-
- template <class charT, class traits>
- inline basic_ostream<charT, traits>&
- operator<<(basic_ostream<charT, traits>& out, thread::id id)
- {
- if (id == thread::id()) // id is invalid, representing no pthread
- out << "thread::id of a non-executing thread";
- else
- out << id.__cpp_thread_t;
- return out;
- }
-
- template <>
- struct hash<thread::id>
- {
- typedef size_t result_type;
- typedef thread::id argument_type;
- size_t operator()(const thread::id& id) const noexcept
- {
- return hash<rt_cpp_thread_t>()(id.__cpp_thread_t);
- }
- };
-
- namespace this_thread
- {
- inline thread::id get_id() noexcept
- {
- return thread::id(pthread_self());
- }
-
- inline void yield() noexcept
- {
- sched_yield();
- }
-
- template <class Rep, class Period>
- inline void sleep_for(const chrono::duration<Rep, Period>& rel_time)
- {
- if (rel_time <= rel_time.zero()) // less than zero, no need to sleep
- return;
- auto milli_secs = chrono::duration_cast<chrono::milliseconds>(rel_time);
- // the precision is limited by rt-thread thread API
- rt_thread_mdelay(milli_secs.count());
- }
-
- template <class Clock, class Duration>
- inline void sleep_until(const chrono::time_point<Clock, Duration>& abs_time)
- {
- auto now = Clock::now();
- if (abs_time > now)
- sleep_for(abs_time - now);
- }
-
- }
-}
diff --git a/components/cplusplus/cpp11/gcc/thread.cpp b/components/cplusplus/cpp11/gcc/thread.cpp
deleted file mode 100644
index 3979da0dc4..0000000000
--- a/components/cplusplus/cpp11/gcc/thread.cpp
+++ /dev/null
@@ -1,94 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date Author Notes
- * 2021-04-27 flybreak the first version.
- */
-
-#include "thread"
-#include "__utils.h"
-
-
-#define _RT_NPROCS 0
-
-namespace std
-{
-
- extern "C"
- {
- static void* execute_native_thread_routine(void *p)
- {
- thread::invoker_base* t = static_cast<thread::invoker_base*>(p);
- thread::invoker_base_ptr local;
- local.swap(t->this_ptr); // tranfer the ownership of the invoker into the thread entry
-
- local->invoke();
-
- return NULL;
- }
- }
-
- void thread::start_thread(invoker_base_ptr b)
- {
- auto raw_ptr = b.get();
- // transfer the ownership of the invoker to the new thread
- raw_ptr->this_ptr = std::move(b);
- int err = pthread_create(&_m_thr.__cpp_thread_t, NULL,
- &execute_native_thread_routine, raw_ptr);
-
- if (err)
- {
- raw_ptr->this_ptr.reset();
- throw_system_error(err, "Failed to create a thread");
- }
-
- }
-
- thread::~thread()
- {
- if (joinable()) // when either not joined or not detached
- terminate();
- }
-
- void thread::join()
- {
- int err = EINVAL;
-
- if (joinable())
- err = pthread_join(native_handle(), NULL);
-
- if (err)
- {
- throw_system_error(err, "thread::join failed");
- }
-
- _m_thr = id();
- }
-
- void thread::detach()
- {
- int err = EINVAL;
-
- if (joinable())
- err = pthread_detach(native_handle());
- if (err)
- {
- throw_system_error(err, "thread::detach failed");
- }
-
- _m_thr = id();
- }
-
- // TODO: not yet actually implemented.
- // The standard states that the returned value should only be considered a hint.
- unsigned thread::hardware_concurrency() noexcept
- {
- int __n = _RT_NPROCS;
- if (__n < 0)
- __n = 0;
- return __n;
- }
-}
diff --git a/components/cplusplus/cpp11/gcc/utils.cpp b/components/cplusplus/cpp11/gcc/utils.cpp
deleted file mode 100644
index 1ec3b70cad..0000000000
--- a/components/cplusplus/cpp11/gcc/utils.cpp
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date Author Notes
- * 2021-04-27 flybreak the first version.
- */
-
-#include "__utils.h"
-#include <sys/time.h>
-
-tick_clock::time_point tick_clock::now()
-{
- tick_clock::rep cur_tk = clock();
- tick_clock::duration cur_time(cur_tk);
-
- return tick_clock::time_point(cur_time);
-}
-
-real_time_clock::time_point real_time_clock::now() noexcept
-{
- timespec tp;
- clock_gettime(CLOCK_REALTIME, &tp);
-
- return time_point(duration(std::chrono::seconds(tp.tv_sec))
- + std::chrono::nanoseconds(tp.tv_nsec));
-}