Exemple #1
0
        BSONObj JSSrand( const BSONObj &a, void* data ) {
            uassert( 12518, "srand requires a single numeric argument",
                     a.nFields() == 1 && a.firstElement().isNumber() );
#if !defined(_WIN32)
            _randomSeed.set( static_cast< unsigned int >( a.firstElement().numberLong() ) ); // grab least significant digits
#else
            srand( static_cast< unsigned int >( a.firstElement().numberLong() ) );
#endif
            return undefinedReturn;
        }
Exemple #2
0
BSONObj JSSrand(const BSONObj& a, void* data) {
    unsigned int seed;
    // grab the least significant bits of either the supplied argument or
    // a random number from SecureRandom.
    if (a.nFields() == 1 && a.firstElement().isNumber())
        seed = static_cast<unsigned int>(a.firstElement().numberLong());
    else {
        std::unique_ptr<SecureRandom> rand(SecureRandom::create());
        seed = static_cast<unsigned int>(rand->nextInt64());
    }
#if !defined(_WIN32)
    _randomSeed.set(seed);
#else
    srand(seed);
#endif
    return BSON("" << static_cast<double>(seed));
}
Exemple #3
0
 StackChecker() { 
     checker.set(this);
 }