75 lines
2.1 KiB
C++
75 lines
2.1 KiB
C++
$NetBSD$
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--- base/sys_info_freebsd.cc.orig 2017-02-02 02:02:47.000000000 +0000
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+++ base/sys_info_freebsd.cc
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@@ -12,12 +12,34 @@
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namespace base {
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+int64_t SysInfo::AmountOfAvailablePhysicalMemory() {
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+ int page_size, r = 0;
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+ unsigned pgfree, pginact, pgcache;
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+ size_t size = sizeof(page_size);
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+ size_t szpg = sizeof(pgfree);
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+ if(r == 0)
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+ r = sysctlbyname("vm.stats.vm.v_page_size", &page_size, &size, NULL, 0);
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+ if(r == 0)
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+ r = sysctlbyname("vm.stats.vm.v_free_count", &pgfree, &szpg, NULL, 0);
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+ if(r == 0)
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+ r = sysctlbyname("vm.stats.vm.v_inactive_count", &pginact, &szpg, NULL, 0);
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+ if(r == 0)
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+ r = sysctlbyname("vm.stats.vm.v_cache_count", &pgcache, &szpg, NULL, 0);
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+ if (r == -1) {
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+ NOTREACHED();
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+ return 0;
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+ }
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+ return static_cast<int64_t>((pgfree + pginact + pgcache) * page_size);
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+}
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+
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int64_t SysInfo::AmountOfPhysicalMemory() {
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- int pages, page_size;
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+ int pages, page_size, r = 0;
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size_t size = sizeof(pages);
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- sysctlbyname("vm.stats.vm.v_page_count", &pages, &size, NULL, 0);
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- sysctlbyname("vm.stats.vm.v_page_size", &page_size, &size, NULL, 0);
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- if (pages == -1 || page_size == -1) {
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+ if(r == 0)
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+ r = sysctlbyname("vm.stats.vm.v_page_count", &pages, &size, NULL, 0);
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+ if(r == 0)
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+ r = sysctlbyname("vm.stats.vm.v_page_size", &page_size, &size, NULL, 0);
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+ if (r == -1) {
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NOTREACHED();
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return 0;
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}
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@@ -25,14 +47,24 @@ int64_t SysInfo::AmountOfPhysicalMemory(
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}
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// static
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-uint64_t SysInfo::MaxSharedMemorySize() {
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- size_t limit;
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- size_t size = sizeof(limit);
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- if (sysctlbyname("kern.ipc.shmmax", &limit, &size, NULL, 0) < 0) {
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+std::string SysInfo::CPUModelName() {
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+ int mib[] = { CTL_HW, HW_MODEL };
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+ char name[256];
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+ size_t size = arraysize(name);
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+ if (sysctl(mib, arraysize(mib), &name, &size, NULL, 0) == 0)
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+ return name;
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+ return std::string();
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+}
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+
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+int SysInfo::NumberOfProcessors() {
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+ int mib[] = { CTL_HW, HW_NCPU };
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+ int ncpu;
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+ size_t size = sizeof(ncpu);
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+ if (sysctl(mib, arraysize(mib), &ncpu, &size, NULL, 0) == -1) {
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NOTREACHED();
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- return 0;
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+ return 1;
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}
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- return static_cast<uint64_t>(limit);
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+ return ncpu;
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}
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} // namespace base
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