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--- base/sys_info_freebsd.cc.orig 2017-04-19 19:06:28 UTC
+++ base/sys_info_freebsd.cc
@@ -12,12 +12,34 @@
namespace base {
+int64_t SysInfo::AmountOfAvailablePhysicalMemory() {
+ 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);
+}
+
int64_t SysInfo::AmountOfPhysicalMemory() {
- 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;
}
@@ -25,14 +47,24 @@ int64_t SysInfo::AmountOfPhysicalMemory(
}
// static
-uint64_t SysInfo::MaxSharedMemorySize() {
- size_t limit;
- size_t size = sizeof(limit);
- if (sysctlbyname("kern.ipc.shmmax", &limit, &size, NULL, 0) < 0) {
+std::string SysInfo::CPUModelName() {
+ int mib[] = { CTL_HW, HW_MODEL };
+ char name[256];
+ size_t size = arraysize(name);
+ if (sysctl(mib, arraysize(mib), &name, &size, NULL, 0) == 0)
+ return name;
+ return std::string();
+}
+
+int SysInfo::NumberOfProcessors() {
+ int mib[] = { CTL_HW, HW_NCPU };
+ int ncpu;
+ size_t size = sizeof(ncpu);
+ if (sysctl(mib, arraysize(mib), &ncpu, &size, NULL, 0) == -1) {
NOTREACHED();
- return 0;
+ return 1;
}
- return static_cast<uint64_t>(limit);
+ return ncpu;
}
} // namespace base
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