std::this_thread::get_id - cppreference.com (original) (raw)

C++

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Concurrency support library

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| Defined in header | | | | ---------------------------------------------------------------------------------------------------------------- | | ------------- | | std::thread::id get_id() noexcept; | | (since C++11) |

Returns the id of the current thread.

Contents

• 1 Parameters
• 2 Return value
• 3 Example
• 4 See also

[edit] Parameters

(none)

[edit] Return value

id of the current thread.

[edit] Example

Run this code

#include #include #include #include using namespace std::chrono_literals;   void foo() { std::thread::id this_id = std::this_thread::get_id();   std::osyncstream(std::cout) << "thread " << this_id << " sleeping...\n";   std::this_thread::sleep_for(500ms); }   int main() { std::jthread t1{foo}; std::jthread t2{foo}; }

Possible output:

thread 140113018054400 sleeping... thread 140113009661696 sleeping...

[edit] See also