Question

I am trying to 0write the RAM on an 8Gb Windows 7 64-bit machine.

int main(int argc, char *argv[])
{
    for (__int64* i; ; i = new __int64(0))
        continue;

    return 0;
}

After it takes up roughly 2-3gigs it throws an exception: Microsoft C++ exception: std::bad_alloc at memory location 0x0039f634. I can tell there is still plenty of RAM in the task manager though. I have tried using Visual Studio 2010 and Qt Creator.

Thrown exception breaks in mlock.c:

void __cdecl _unlock (
        int locknum
        )
{
        /*
         * leave the critical section.
         */
        LeaveCriticalSection( _locktable[locknum].lock );
}

Any ideas? I want it to write all inactive RAM with 0.

Answer 1

Compile as x64 not win32 in build options