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--- base/system/sys_info_freebsd.cc.orig 2019-12-16 21:50:40 UTC
+++ base/system/sys_info_freebsd.cc
@@ -13,26 +13,59 @@
namespace base {
int64_t SysInfo::AmountOfPhysicalMemoryImpl() {
- int pages, page_size;
+ int pages, page_size, r = 0;
size_t size = sizeof(pages);
- sysctlbyname("vm.stats.vm.v_page_count", &pages, &size, NULL, 0);
- sysctlbyname("vm.stats.vm.v_page_size", &page_size, &size, NULL, 0);
- if (pages == -1 || page_size == -1) {
+ if(r == 0)
+ r = sysctlbyname("vm.stats.vm.v_page_count", &pages, &size, NULL, 0);
+ if(r == 0)
+ r =sysctlbyname("vm.stats.vm.v_page_size", &page_size, &size, NULL, 0);
+ if(r == -1) {
NOTREACHED();
return 0;
}
return static_cast<int64_t>(pages) * page_size;
}
+int64_t SysInfo::AmountOfAvailablePhysicalMemoryImpl() {
+ int page_size, r = 0;
+ unsigned pgfree, pginact, pgcache;
+ size_t size = sizeof(page_size);
+ size_t szpg = sizeof(pgfree);
+ if(r == 0)
+ r = sysctlbyname("vm.stats.vm.v_page_size", &page_size, &size, NULL, 0);
+ if(r == 0)
+ r = sysctlbyname("vm.stats.vm.v_free_count", &pgfree, &szpg, NULL, 0);
+ if(r == 0)
+ r = sysctlbyname("vm.stats.vm.v_inactive_count", &pginact, &szpg, NULL, 0);
+ if(r == 0)
+ r = sysctlbyname("vm.stats.vm.v_cache_count", &pgcache, &szpg, NULL, 0);
+ if(r == -1) {
+ NOTREACHED();
+ return 0;
+ }
+ return static_cast<int64_t>((pgfree + pginact + pgcache) * page_size);
+}
+
// static
+std::string SysInfo::CPUModelName() {
+ int mib[] = { CTL_HW, HW_MODEL };
+ char name[256];
+ size_t size = base::size(name);
+ if (sysctl(mib, base::size(mib), &name, &size, NULL, 0) == 0)
+ return name;
+ return std::string();
+}
+
+// static
uint64_t SysInfo::MaxSharedMemorySize() {
size_t limit;
size_t size = sizeof(limit);
+
if (sysctlbyname("kern.ipc.shmmax", &limit, &size, NULL, 0) < 0) {
NOTREACHED();
return 0;
}
+
return static_cast<uint64_t>(limit);
}
-
} // namespace base
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