File: main.cpp

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llvm-toolchain-13 1%3A13.0.1-11
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#include <pthread.h>
#include <signal.h>

void set_thread_name(const char *name) {
#if defined(__APPLE__)
  ::pthread_setname_np(name);
#elif defined(__FreeBSD__) || defined(__linux__)
  ::pthread_setname_np(::pthread_self(), name);
#elif defined(__NetBSD__)
  ::pthread_setname_np(::pthread_self(), "%s", const_cast<char *>(name));
#endif
}

int main() {
  set_thread_name("hello world");
  raise(SIGINT);
  set_thread_name("goodbye world");
  raise(SIGINT);
  return 0;
}