Exemplos de memkind_default_get_mmap_flags em C++ (Cpp)

Exemplo n.º 1

Arquivo: memkind_default.c Projeto: Kkulakowski/memkind

void *memkind_default_mmap(struct memkind *kind, void *addr, size_t size)
{
    void *result = MAP_FAILED;
    int err = 0;
    int flags;

    if (kind->ops->get_mmap_flags) {
        err = kind->ops->get_mmap_flags(kind, &flags);
    }
    else {
        err = memkind_default_get_mmap_flags(kind, &flags);
    }
    if (!err) {
        result = mmap(addr, size, PROT_READ | PROT_WRITE, flags, -1, 0);
    }
    if (result != MAP_FAILED && kind->ops->mbind) {
        err = kind->ops->mbind(kind, result, size);
        if (err) {
            munmap(result, size);
            result = MAP_FAILED;
        }
    }
    if (result != MAP_FAILED && kind->ops->madvise) {
        err = kind->ops->madvise(kind, result, size);
        if (err) {
            munmap(result, size);
            result = MAP_FAILED;
        }
    }
    return result;
}

Exemplo n.º 2

Arquivo: memkind_default.c Projeto: memkind/memkind

MEMKIND_EXPORT void *memkind_default_mmap(struct memkind *kind, void *addr,
                                          size_t size)
{
    void *result = MAP_FAILED;
    int err = 0;
    int flags;

    if (kind->ops->get_mmap_flags) {
        err = kind->ops->get_mmap_flags(kind, &flags);
    } else {
        err = memkind_default_get_mmap_flags(kind, &flags);
    }
    if (MEMKIND_LIKELY(!err)) {
        result = mmap(addr, size, PROT_READ | PROT_WRITE, flags, -1, 0);
        if (result == MAP_FAILED) {
            log_err("syscall mmap() returned: %p", result);
            return result;
        }
    }
    if (kind->ops->mbind) {
        err = kind->ops->mbind(kind, result, size);
        if (err) {
            munmap(result, size);
            result = MAP_FAILED;
        }
    }
    if (kind->ops->madvise) {
        err = kind->ops->madvise(kind, result, size);
        if (err) {
            munmap(result, size);
            result = MAP_FAILED;
        }
    }
    return result;
}