C++ (Cpp) AtomicInt::decAndTestIfZero示例

示例#1

文件： IPC.cpp 项目： brunolauze/pegasus

// Test Thread and AtomicInt
void test02()
{
    const Uint32 numThreads = 64;
    AtomicInt * atom = new AtomicInt(0);
    Thread* threads[numThreads];

    (*atom)++;
    Boolean zero = atom->decAndTestIfZero();
    PEGASUS_TEST_ASSERT(zero);

    for (Uint32 i=0; i<numThreads; i++)
    {
        threads[i] = new Thread(atomicIncrement, atom, false);
    }

    for (Uint32 i=0; i<numThreads; i++)
    {
        threads[i]->run();
    }

    for (Uint32 i=0; i<numThreads; i++)
    {
        threads[i]->join();
        delete threads[i];
    }

    PEGASUS_TEST_ASSERT(atom->get() == numThreads);
    delete atom;
}

示例#2

文件： IPC.cpp 项目： brunolauze/pegasus

ThreadReturnType PEGASUS_THREAD_CDECL atomicIncrement(void * parm)
{
    Thread* my_thread  = (Thread *)parm;
    AtomicInt * atom = (AtomicInt *)my_thread->get_parm();

    (*atom)++;
    (*atom)++; (*atom)++; (*atom)++; (*atom)++;
    (*atom)--; (*atom)--;
    (*atom)--;
    Boolean zero = atom->decAndTestIfZero();
    PEGASUS_TEST_ASSERT(zero == false);

    return ThreadReturnType(0);
}