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Report memory on windows and osx (not tested).

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This commit is contained in:
hiker 2014-09-19 08:16:20 +10:00
parent 00f7829ad4
commit cba1c8c471
1 changed files with 31 additions and 4 deletions
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35
src/config/hardware_stats.cpp
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@ -24,23 +24,50 @@
#include "online/http_request.hpp"
#include "utils/string_utils.hpp"
#ifdef __APPLE__
# include <sys/sysctl.h>
#endif
namespace HardwareStats
{
// ----------------------------------------------------------------------------
/** Returns the amount of RAM in MB.
* (C) 2014 by Wildfire Games (0 A.D.), ported by Joerg Henrichs
*/
int getRAM()
{
#ifdef __linux__
const uint64_t memorySize = (uint64_t)sysconf(_SC_PHYS_PAGES)
const uint64_t memory_size = (uint64_t)sysconf(_SC_PHYS_PAGES)
* sysconf(_SC_PAGESIZE);
return long(memorySize / (1024*1024));
#endif
#ifdef WIN32
return int(memory_size / (1024*1024));
#endif
#ifdef WIN32
MEMORYSTATUSEX mse;
mse.dwLength = sizeof(mse);
const bool ok = GlobalMemoryStatusEx(&mse);
DWORDLONG memory_size = mse.ullTotalPhys;
// Richter, "Programming Applications for Windows": the reported
// value doesn't include non-paged pool reserved during boot;
// it's not considered available to the kernel. (the amount is
// 528 KiB on a 512 MiB WinXP/Win2k machine). we'll round up
// to the nearest megabyte to fix this.
const DWORDLONG mbyte = 1024*1024;
return (int)ceil(memory_size/mbyte);
#endif
#ifdef __APPLE__
size_t memory_size = 0;
size_t len = sizeof(memory_size);
// Argh, the API doesn't seem to be const-correct
/*const*/ int mib[2] = { CTL_HW, HW_PHYSMEM };
sysctl(mib, 2, &memory_size, &len, 0, 0);
memory_size /= (1024*1024);
return int(memory_size);
#endif
return 0;
} // getRAM