mirror of
https://github.com/copyrighttxt/watrbx-game-engine.git
synced 2026-09-05 05:07:48 +00:00
47 lines
1.2 KiB
C++
47 lines
1.2 KiB
C++
#include "MemoryStats.h"
|
|
|
|
#include <mach/mach.h>
|
|
#include <sys/types.h>
|
|
#include <sys/sysctl.h>
|
|
|
|
// memory functions from stackoverflow.com
|
|
namespace RBX {
|
|
namespace MemoryStats {
|
|
|
|
memsize_t usedMemoryBytes()
|
|
{
|
|
struct task_basic_info info;
|
|
mach_msg_type_number_t size = sizeof(info);
|
|
kern_return_t kerr = task_info(mach_task_self(), TASK_BASIC_INFO, (task_info_t)&info, &size);
|
|
return (kerr == KERN_SUCCESS) ? info.resident_size : 0;
|
|
}
|
|
|
|
memsize_t freeMemoryBytes()
|
|
{
|
|
mach_port_t host_port = mach_host_self();
|
|
mach_msg_type_number_t host_size = sizeof(vm_statistics_data_t) / sizeof(integer_t);
|
|
vm_size_t pagesize;
|
|
vm_statistics_data_t vm_stat;
|
|
|
|
host_page_size(host_port, &pagesize);
|
|
(void) host_statistics(host_port, HOST_VM_INFO, (host_info_t)&vm_stat, &host_size);
|
|
return vm_stat.free_count * pagesize;
|
|
}
|
|
|
|
memsize_t totalMemoryBytes()
|
|
{
|
|
// https://developer.apple.com/library/mac/documentation/Darwin/Reference/ManPages/man3/sysctl.3.html
|
|
int mib[2] = { CTL_HW, HW_MEMSIZE };
|
|
u_int namelen = sizeof(mib) / sizeof(mib[0]);
|
|
uint64_t size;
|
|
size_t len = sizeof(size);
|
|
|
|
if (sysctl(mib, namelen, &size, &len, NULL, 0) >= 0)
|
|
return size;
|
|
|
|
return 0;
|
|
}
|
|
|
|
} // namespace MemoryStats
|
|
} // namespace RBX
|