virgin = 0;     /* you're not a virgin anymore, sweety */

// for 8 or 12 threads this does not affect much.
// Strange are the situations if not understood properly.
// Yoda strikes again

在多线程模块中!：）

#ifdef TRACE
#undef TRACE     /* All your trace are belong to us. */
#endif
#define TRACE ....

我在谷歌代码搜索上找到的

    // Constructs a tuple with 2 elements (fucking idiot, use std::pair instead!)
    template <typename T0,typename T1>
    inline tuple <T0,T1> make_tuple (const T0& t0,
            const T1& t1) {
            tuple <T0,T1> t;
            t.get<0>() = t0;
            t.get<1>() = t1;
            return t;
    }

/**
 * If you don't understand this code, you should be flipping burgers instead.
 */

BerkeleyDB

/*
 * Chaos reigns within.
 * Reflect, repent, and reboot.
 * Order shall return.
 */
return (DB_RUNRECOVERY);