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      std::latch::latch

      From cppreference.com
      <cpp‎ |thread‎ |latch
       
       
      Concurrency support library
      Threads
      (C++11)
      (C++20)
      this_thread namespace
      (C++11)
      (C++11)
      (C++11)
      Cooperative cancellation
      Mutual exclusion
      Generic lock management
      (C++11)
      (C++11)
      (C++11)
      (C++11)
      Condition variables
      (C++11)
      Semaphores
      Latches and Barriers
      (C++20)
      (C++20)
      Futures
      (C++11)
      (C++11)
      (C++11)
      Safe reclamation
      Hazard pointers
      Atomic types
      (C++11)
      (C++20)
      Initialization of atomic types
      (C++11)(deprecated in C++20)
      (C++11)(deprecated in C++20)
      Memory ordering
      (C++11)(deprecated in C++26)
      Free functions for atomic operations
      Free functions for atomic flags
       
       
      constexprexplicit latch(std::ptrdiff_t expected);
      (1)(since C++20)
      latch(const latch&)= delete;
      (2)(since C++20)
      1) Constructs alatch and initializes its internal counter. The behavior is undefined ifexpected is negative or greater thanmax().
      2) Copy constructor is deleted.latch is neither copyable nor movable.

      [edit]Parameters

      expected - the initial value of the internal counter

      [edit]Exceptions

      Throws nothing.

      Retrieved from "https://en.cppreference.com/mwiki/index.php?title=cpp/thread/latch/latch&oldid=161155"

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