“Once” one-time concurrent initialization with an integer

• abseil-cpp

  54 13,917 9.5 C++

  Abseil Common Libraries (C++)

  

An implementation of call_once that accommodates callbacks that throw: https://github.com/abseil/abseil-cpp/blob/master/absl/base/c...

• best

  1 1 3.9 C

There's a commented version here: https://github.com/mtklein/best/blob/main/once.c

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