#include
#include
#include
#include
using namespace std;
thread_local unsigned int rage = 1;
//unsigned int rage = 1;
mutex cout_mutex;
void increase_rage(const std::string& thread_name){
++rage;
// modifying outside a lock is okay;
this is a thread-local variable
lock_guard lock(cout_mutex);
cout << "Rage counter for " << thread_name << " = " << rage << " ,line = " <<__LINE__<
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