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Implement frontend_darwin_get_mem_free

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This commit is contained in:
Twinaphex 2016-06-12 18:42:03 +02:00
parent 19d4498d2c
commit a01985273b
1 changed files with 23 additions and 1 deletions
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24
frontend/drivers/platform_darwin.m
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@ -681,6 +681,28 @@ static uint64_t frontend_darwin_get_mem_total(void)
#endif
}
static uint64_t frontend_darwin_get_mem_free(void)
{
#ifdef OSX
vm_size_t page_size;
vm_statistics64_data_t vm_stats;
mach_port_t mach_port = mach_host_self();
mach_msg_type_number_t count = sizeof(vm_stats) / sizeof(natural_t);
if (KERN_SUCCESS == host_page_size(mach_port, &page_size) &&
KERN_SUCCESS == host_statistics64(mach_port, HOST_VM_INFO,
(host_info64_t)&vm_stats, &count))
{
long long used_memory = ((int64_t)vm_stats.active_count +
(int64_t)vm_stats.inactive_count +
(int64_t)vm_stats.wire_count) * (int64_t)page_size;
return used_memory;
}
#endif
return 0;
}
frontend_ctx_driver_t frontend_ctx_darwin = {
frontend_darwin_get_environment_settings,
NULL, /* init */
@ -698,6 +720,6 @@ frontend_ctx_driver_t frontend_ctx_darwin = {
frontend_darwin_get_powerstate,
frontend_darwin_parse_drive_list,
frontend_darwin_get_mem_total,
NULL, /* get_mem_free */
frontend_darwin_get_mem_free,
"darwin",
};