名稱空間
變體
操作

標準庫標頭檔案 <thread> (C++11)

來自 cppreference.com
 
 
標準庫標頭檔案
演算法
<algorithm>
<numeric>
字串
<cctype>
<cstring>
<cuchar> (C++11)
<cwchar>
<cwctype>
<string_view> (C++17)
<string>
文字處理
<clocale>
<codecvt> (C++11/17/26*)
<locale>
<regex> (C++11)
<text_encoding> (C++26)   
數值
<cfenv> (C++11)
<cmath>
<complex>
<linalg> (C++26)
<numbers> (C++20)
<random> (C++11)
<simd> (C++26)
<valarray>
時間
<chrono> (C++11)
<ctime>
C 相容性
<ccomplex> (C++11/17/20*)
<ciso646> (until C++20)
<cstdalign> (C++11/17/20*)
<cstdbool> (C++11/17/20*)
<ctgmath> (C++11/17/20*)
 

此標頭檔案是 執行緒支援 庫的一部分。

目錄

包含

(C++20)
三路比較運算子 支援[編輯]

名稱空間

this_thread 提供訪問當前執行執行緒的函式

(C++11)
管理一個獨立的執行緒
(類) [編輯]
(C++20)
支援自動連線和取消的 std::thread
(類) [編輯]
特化 std::hash
(類模板特化)

函式

特化 std::swap 演算法
(函式) [編輯]
(在 C++20 中移除)(在 C++20 中移除)(在 C++20 中移除)(在 C++20 中移除)(在 C++20 中移除)(C++20)
比較兩個 thread::id 物件
(函式) [編輯]
序列化 thread::id 物件
(函式模板) [編輯]
在名稱空間 std::this_thread 中定義
(C++11)
建議實現重新排程執行緒的執行
(函式) [編輯]
(C++11)
返回當前執行緒的執行緒 ID
(函式) [編輯]
(C++11)
停止當前執行緒的執行一段指定的時間
(函式) [編輯]
停止當前執行緒的執行直到指定的時間點
(函式) [編輯]

[編輯] 概要

#include <compare>
 
namespace std {
  // class thread
  class thread;
 
  void swap(thread& x, thread& y) noexcept;
 
  // class jthread
  class jthread;
 
  // namespace this_thread
  namespace this_thread {
    thread::id get_id() noexcept;
 
    void yield() noexcept;
    template<class Clock, class Duration>
    void sleep_until(const chrono::time_point<Clock, Duration>& abs_time);
    template<class Rep, class Period>
    void sleep_for(const chrono::duration<Rep, Period>& rel_time);
  }
}

[編輯] std::thread

namespace std {
  class thread
  {
  public:
    // class thread::id
    class id;
    using native_handle_type = /* implementation-defined */;
 
    // construct/copy/destroy
    thread() noexcept;
    template<class F, class... Args>
    explicit thread(F&& f, Args&&... args);
    ~thread();
    thread(const thread&) = delete;
    thread(thread&&) noexcept;
    thread& operator=(const thread&) = delete;
    thread& operator=(thread&&) noexcept;
 
    // members
    void swap(thread&) noexcept;
    bool joinable() const noexcept;
    void join();
    void detach();
    id get_id() const noexcept;
    native_handle_type native_handle();
 
    // static members
    static unsigned int hardware_concurrency() noexcept;
  };
}

[編輯] std::jthread

namespace std {
  class jthread
  {
  public:
    // types
    using id                 = thread::id;
    using native_handle_type = thread::native_handle_type;
 
    // constructors, move, and assignment
    jthread() noexcept;
    template<class F, class... Args>
    explicit jthread(F&& f, Args&&... args);
    ~jthread();
    jthread(const jthread&) = delete;
    jthread(jthread&&) noexcept;
    jthread& operator=(const jthread&) = delete;
    jthread& operator=(jthread&&) noexcept;
 
    // members
    void swap(jthread&) noexcept;
    bool joinable() const noexcept;
    void join();
    void detach();
    id get_id() const noexcept;
    native_handle_type native_handle();
 
    // stop token handling
    stop_source get_stop_source() noexcept;
    stop_token get_stop_token() const noexcept;
    bool request_stop() noexcept;
 
    // specialized algorithms
    friend void swap(jthread& lhs, jthread& rhs) noexcept;
 
    // static members
    static unsigned int hardware_concurrency() noexcept;
 
  private:
    stop_source ssource; // exposition only
  };
}

[編輯] std::thread::id

namespace std {
  class thread::id
  {
  public:
    id() noexcept;
  };
 
  bool operator==(thread::id x, thread::id y) noexcept;
  strong_ordering operator<=>(thread::id x, thread::id y) noexcept;
 
  template<class CharT, class Traits>
  basic_ostream<CharT, Traits>& operator<<(basic_ostream<CharT, Traits>& out,
                                           thread::id id);
 
  template<class CharT>
  struct formatter<thread::id, CharT>;
 
  // hash support
  template<class T>
  struct hash;
  template<>
  struct hash<thread::id>;
}