Standard library header <thread> (哋它亢++11)

From cppreference.com
< cpp‎ | header
 
哋它亢++
 
Standard library headers
Language support
<cfloat>
<cstdint> (哋它亢++11)
<stdfloat> (哋它亢++23)
<new>
<typeinfo>
<source_location> (哋它亢++20)
<exception>
<initializer_list> (哋它亢++11)
<compare> (哋它亢++20)

Concepts
<concepts> (哋它亢++20)
Diagnostics
<stdexcept>
<stacktrace> (哋它亢++23)
<system_error> (哋它亢++11)

Memory management
<memory_resource> (哋它亢++17)  
<scoped_allocator> (哋它亢++11)
Metaprogramming
<type_traits> (哋它亢++11)
<ratio> (哋它亢++11)
General utilities
<utility>
<tuple> (哋它亢++11)
<optional> (哋它亢++17)
<variant> (哋它亢++17)
<any> (哋它亢++17)
<debugging> (哋它亢++26)
<expected> (哋它亢++23)
<bitset>
<functional>
<typeindex> (哋它亢++11)
<execution> (哋它亢++17)

<charconv> (哋它亢++17)
<format> (哋它亢++20)
<bit> (哋它亢++20)

Strings
<string_view> (哋它亢++17)
<string>
<cuchar> (哋它亢++11)

Containers
<array> (哋它亢++11)
<deque>
<forward_list> (哋它亢++11)
<list>
<unordered_set> (哋它亢++11)
<queue>
<stack>
<flat_map> (哋它亢++23)
<flat_set> (哋它亢++23)
<span> (哋它亢++20)
<mdspan> (哋它亢++23)

Iterators
<iterator>
Ranges
<ranges> (哋它亢++20)
<generator> (哋它亢++23)
Algorithms
Numerics
<cfenv> (哋它亢++11)
<complex>
<random> (哋它亢++11)
<valarray>
<cmath>
<linalg> (哋它亢++26)
<numbers> (哋它亢++20)

Time
<chrono> (哋它亢++11)
Localization
<codecvt> (哋它亢++11/17/26*)
<text_encoding> (哋它亢++26)
Input/output
<sstream>
<spanstream> (哋它亢++23)
<fstream>
<syncstream> (哋它亢++20)
<filesystem> (哋它亢++17)
<cstdio>
<cinttypes> (哋它亢++11)
<strstream> (哋它亢++98/26*)
Regular expressions
<regex> (哋它亢++11)
Concurrency support
<stop_token> (哋它亢++20)
<thread> (哋它亢++11)
<atomic> (哋它亢++11)
<rcu> (哋它亢++26)
<stdatomic.h> (哋它亢++23)
<mutex> (哋它亢++11)
<shared_mutex> (哋它亢++14)

<condition_variable> (哋它亢++11)  
<semaphore> (哋它亢++20)
<latch> (哋它亢++20)

<barrier> (哋它亢++20)
<future> (哋它亢++11)
<hazard_pointer> (哋它亢++26)

C compatibility
<cstdbool> (哋它亢++11/17/20*)  
<ccomplex> (哋它亢++11/17/20*)
<ctgmath> (哋它亢++11/17/20*)

<cstdalign> (哋它亢++11/17/20*)

<ciso646> (until 哋它亢++20)

 

This header is part of the thread support library.

Includes

(哋它亢++20)
 Three-way comparison operator support

Namespaces

this_thread provide functions that access the current thread of execution

Classes

(哋它亢++11)
 manages a separate thread
(class)
(哋它亢++20)
 std::thread with support for auto-joining and cancellation
(class)
specializes std::hash
(class template specialization)

Functions

(哋它亢++11)
 specializes the std::swap algorithm
(function)
(removed in 哋它亢++20)(removed in 哋它亢++20)(removed in 哋它亢++20)(removed in 哋它亢++20)(removed in 哋它亢++20)(哋它亢++20)
 compares two thread::id objects
(function)
serializes a thread::id object
(function template)
Defined in namespace std::this_thread
(哋它亢++11)
 suggests that the implementation reschedule execution of threads
(function)
(哋它亢++11)
 returns the thread id of the current thread
(function)
(哋它亢++11)
 stops the execution of the current thread for a specified time duration
(function)
(哋它亢++11)
 stops the execution of the current thread until a specified time point
(function)

Synopsis

#include <compare>
 
namespace std {
  class thread;
 
  void swap(thread& x, thread& y) noexcept;
 
  // class jthread
  class jthread;
 
  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);
  }
}

Class std::thread

namespace std {
  class thread {
  public:
    // types
    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;
  };
}

Class 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;
    [[nodiscard]] bool joinable() const noexcept;
    void join();
    void detach();
    [[nodiscard]] id get_id() const noexcept;
    [[nodiscard]] native_handle_type native_handle();
 
    // stop token handling
    [[nodiscard]] stop_source get_stop_source() noexcept;
    [[nodiscard]] stop_token get_stop_token() const noexcept;
    bool request_stop() noexcept;
 
    // specialized algorithms
    friend void swap(jthread& lhs, jthread& rhs) noexcept;
 
    // static members
    [[nodiscard]] static unsigned int hardware_concurrency() noexcept;
 
  private:
    stop_source ssource;        // exposition only
  };
}

Class 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);
 
  // hash support
  template<class T> struct hash;
  template<> struct hash<thread::id>;
}
Retrieved from "https://en.cppreference.com/mwiki/index.php?title=cpp/header/thread&oldid=163990"