How to determine a process “virtual size” (WinXP)?

Question

I have a program that needs a lot of memory, and it crashes as soon as the 2GB virtual address space is reached. Sysinternals process explorer displays this as \"virtual si

Answer 1

According to MSDN: Memory Performance Information PROCESS_MEMORY_COUNTERS_EX.PrivateUsage is the same as VM Size in Task Manager in Windows XP. GetProcessMemoryInfo should work:

PROCESS_MEMORY_COUNTERS_EX pmcx = {};
pmcx.cb = sizeof(pmcx);
GetProcessMemoryInfo(GetCurrentProcess(),
    reinterpret_cast(&pmcx), pmcx.cb);

Now pmcx.PrivateUsage holds the VM Size of the process.