Implement missing SysInfo methods on OpenBSD

Adds AmountOfAvailablePhysicalMemory (based on Linux's implementation)
and CPUModelName() (based on OS X's implementation).

Review URL: https://chromiumcodereview.appspot.com/13945012

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@193295 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 35 insertions, 8 deletions

diff --git a/base/sys_info_openbsd.cc b/base/sys_info_openbsd.cc
index b9aec20..edbb2c9 100644
--- a/base/sys_info_openbsd.cc
+++ b/base/sys_info_openbsd.cc
@@ -10,30 +10,45 @@
 
 #include "base/logging.h"
 
+namespace {
+
+int64 AmountOfMemory(int pages_name) {
+  long pages = sysconf(pages_name);
+  long page_size = sysconf(_SC_PAGESIZE);
+  if (pages == -1 || page_size == -1) {
+    NOTREACHED();
+    return 0;
+  }
+  return static_cast<int64>(pages) * page_size;
+}
+
+}  // namespace
+
 namespace base {
 
+// static
 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) {
+  if (sysctl(mib, arraysize(mib), &ncpu, &size, NULL, 0) < 0) {
     NOTREACHED();
     return 1;
   }
   return ncpu;
 }
 
+// static
 int64 SysInfo::AmountOfPhysicalMemory() {
-  long pages = sysconf(_SC_PHYS_PAGES);
-  long page_size = sysconf(_SC_PAGESIZE);
-  if (pages == -1 || page_size == -1) {
-    NOTREACHED();
-    return 0;
-  }
+  return AmountOfMemory(_SC_PHYS_PAGES);
+}
 
-  return static_cast<int64>(pages) * page_size;
+// static
+int64 SysInfo::AmountOfAvailablePhysicalMemory() {
+  return AmountOfMemory(_SC_AVPHYS_PAGES);
 }
 
+// static
 size_t SysInfo::MaxSharedMemorySize() {
   int mib[] = { CTL_KERN, KERN_SHMINFO, KERN_SHMINFO_SHMMAX };
   size_t limit;
@@ -45,4 +60,16 @@ size_t SysInfo::MaxSharedMemorySize() {
   return limit;
 }
 
+// static
+std::string SysInfo::CPUModelName() {
+  int mib[] = { CTL_HW, HW_MODEL };
+  char name[256];
+  size_t len = arraysize(name);
+  if (sysctl(mib, arraysize(mib), name, &len, NULL, 0) < 0) {
+    NOTREACHED();
+    return std::string();
+  }
+  return name;
+}
+
 }  // namespace base