std::thread::get_id – cppreference.com

std::thread::get_id

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C++
 
Thema Support-Bibliothek
Threads
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Threads
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thread(C++11)
this_thread Namespace
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this_thread namespace
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get_id(C++11)
yield(C++11)
sleep_for(C++11)
sleep_until(C++11)
Gegenseitigen Ausschluss
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Mutual exclusion
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mutex(C++11)
timed_mutex(C++11)
Generische Sperrverwaltung
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Generic lock management
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lock_guard(C++11)
unique_lock(C++11)
defer_lock_t
try_to_lock_t
adopt_lock_t		(C++11)
(C++11)
(C++11)
lock(C++11)
try_lock(C++11)
defer_lock
try_to_lock
adopt_lock		(C++11)
(C++11)
(C++11)
Zustand Variablen
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Condition variables
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condition_variable(C++11)
condition_variable_any(C++11)
notify_all_at_thread_exit(C++11)
cv_status(C++11)
Futures
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Futures
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promise(C++11)
future(C++11)
shared_future(C++11)
packaged_task(C++11)
async(C++11)
launch(C++11)
future_status(C++11)
future_error(C++11)
future_category(C++11)
future_errc(C++11)
 
std::thread
Mitglied Klassen
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Member classes
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thread::id
Member-Funktionen
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Member functions
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thread::thread
thread::~thread
thread::operator=
Beobachter
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Observers
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thread::joinable
thread::get_id
thread::native_handle
thread::hardware_concurrency
Operations
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Operations
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thread::join
thread::detach
thread::swap
Non-Member-Funktionen
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Non-member functions
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std::swap
 
<tbody> </tbody>
std::thread::id get_id() const;
 (seit C++11)
Gibt einen Wert von std::thread::id Identifizierung der Faden mit *this assoziiert .
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Returns a value of std::thread::id identifying the thread associated with *this.
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Parameter

(None)
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(none)
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Rückgabewert

ein Wert vom Typ std::thread::id Identifizierung der Faden mit *this verbunden. Wenn es kein Faden zugeordnet ist, wird standardmäßig gebaut std::thread::id zurückgegeben .
Original:
a value of type std::thread::id identifying the thread associated with *this. If there is no thread associated, default constructed std::thread::id is returned.
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Ausnahmen

noexcept specification:  
<tbody> </tbody>
noexcept
  (seit C++11)

Beispiel

#include <iostream>
#include <thread>
#include <chrono>

void foo()
{
    std::this_thread::sleep_for(std::chrono::seconds(1));
}

int main()
{
    std::thread t1(foo);
    std::thread::id t1_id = t1.get_id();

    std::thread t2(foo);
    std::thread::id t2_id = t2.get_id();

    std::cout << "t1's id: " << t1_id << '\n';
    std::cout << "t2's id: " << t2_id << '\n';

    t1.join();
    t2.join();
}

Possible output: 

t1's id: 0x35a7210f
t2's id: 0x35a311c4

Siehe auch