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-rw-r--r--src/skel/glfw/glfw.cpp25
1 files changed, 21 insertions, 4 deletions
diff --git a/src/skel/glfw/glfw.cpp b/src/skel/glfw/glfw.cpp
index b40130c4..74330141 100644
--- a/src/skel/glfw/glfw.cpp
+++ b/src/skel/glfw/glfw.cpp
@@ -81,7 +81,12 @@ DWORD _dwOperatingSystemVersion;
#include "resource.h"
#else
long _dwOperatingSystemVersion;
+#ifndef __APPLE__
#include <sys/sysinfo.h>
+#else
+#include <mach/mach_host.h>
+#include <sys/sysctl.h>
+#endif
#include <stddef.h>
#include <locale.h>
#include <signal.h>
@@ -449,15 +454,27 @@ psInitialize(void)
#endif
#endif
+#ifndef __APPLE__
struct sysinfo systemInfo;
sysinfo(&systemInfo);
-
_dwMemAvailPhys = systemInfo.freeram;
- _dwOperatingSystemVersion = OS_WINXP; // To fool other classes
-
debug("Physical memory size %u\n", systemInfo.totalram);
debug("Available physical memory %u\n", systemInfo.freeram);
-
+#else
+ uint64_t size = 0;
+ uint64_t page_size = 0;
+ size_t uint64_len = sizeof(uint64_t);
+ size_t ull_len = sizeof(unsigned long long);
+ sysctl((int[]){CTL_HW, HW_PAGESIZE}, 2, &page_size, &ull_len, NULL, 0);
+ sysctl((int[]){CTL_HW, HW_MEMSIZE}, 2, &size, &uint64_len, NULL, 0);
+ vm_statistics_data_t vm_stat;
+ mach_msg_type_number_t count = HOST_VM_INFO_COUNT;
+ host_statistics(mach_host_self(), HOST_VM_INFO, (host_info_t)&vm_stat, &count);
+ _dwMemAvailPhys = (uint64_t)(vm_stat.free_count * page_size);
+ debug("Physical memory size %llu\n", _dwMemAvailPhys);
+ debug("Available physical memory %llu\n", size);
+#endif
+ _dwOperatingSystemVersion = OS_WINXP; // To fool other classes
#endif
TheText.Unload();