memlockExample1.cpp

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/**
 * @file
 * @copyright
 *   SPDX-FileCopyrightText: 2023-2023 European Southern Observatory (ESO)
 *
 *   SPDX-License-Identifier: LGPL-3.0-only
 */
#include <iostream>
#include <numapp/memory.hpp>
 
int main() {
    using numapp::operator|;
    using numapp::LockAllFlag;
    if (!numapp::NumaAvailable()) {
        std::cout << "NUMA not available";
        return -1;
    }
 
    // Lock current and future mappings
    if (auto ec = numapp::MemLockAll(LockAllFlag::Current | LockAllFlag::Future); ec) {
        std::cerr << "Failed to lock memory!" << std::endl;
        return -1;
    }
}