Function getTotalSystemMemoryOnBSD

src/utils/memory.cpp:143–149

* @brief Implementation of @c getTotalSystemMemory() on *BSD. * * AKA FreeBSD, DragonFly, NetBSD, OpenBSD, TrueOS, PCBSD */

* AKA FreeBSD, DragonFly, NetBSD, OpenBSD, TrueOS, PCBSD
*/
std::size_t getTotalSystemMemoryOnBSD() {
	int what[] = { CTL_HW, HW_PHYSMEM };
	std::size_t value = 0;
	std::size_t length = sizeof(value);
	auto rc = sysctl(what, 2, &value, &length, nullptr, 0);
	return rc != -1 ? value : 0;
}

/**
* @brief Implementation of @c limitSystemMemory() on *BSD.