michael@0: // Copyright (c) 2009 The Chromium Authors. All rights reserved.
michael@0: // Use of this source code is governed by a BSD-style license that can be
michael@0: // found in the LICENSE file.
michael@0: 
michael@0: #include "base/sys_info.h"
michael@0: 
michael@0: #include <CoreServices/CoreServices.h>
michael@0: 
michael@0: namespace base {
michael@0: 
michael@0: // static
michael@0: void SysInfo::OperatingSystemVersionNumbers(int32_t *major_version,
michael@0:                                             int32_t *minor_version,
michael@0:                                             int32_t *bugfix_version) {
michael@0:   static bool is_initialized = false;
michael@0:   static int32_t major_version_cached = 0;
michael@0:   static int32_t minor_version_cached = 0;
michael@0:   static int32_t bugfix_version_cached = 0;
michael@0: 
michael@0:   if (!is_initialized) {
michael@0:     // Gestalt can't be called in the sandbox, so we cache its return value.
michael@0:     Gestalt(gestaltSystemVersionMajor,
michael@0:         reinterpret_cast<SInt32*>(&major_version_cached));
michael@0:     Gestalt(gestaltSystemVersionMinor,
michael@0:         reinterpret_cast<SInt32*>(&minor_version_cached));
michael@0:     Gestalt(gestaltSystemVersionBugFix,
michael@0:         reinterpret_cast<SInt32*>(&bugfix_version_cached));
michael@0:     is_initialized = true;
michael@0:   }
michael@0: 
michael@0:   *major_version = major_version_cached;
michael@0:   *minor_version = minor_version_cached;
michael@0:   *bugfix_version = bugfix_version_cached;
michael@0: }
michael@0: 
michael@0: // static
michael@0: void SysInfo::CacheSysInfo() {
michael@0:   // Due to startup time concerns [premature optimization?] we only cache values
michael@0:   // from functions we know to be called in the renderer & fail when the sandbox
michael@0:   // is enabled.
michael@0:   NumberOfProcessors();
michael@0:   int32_t dummy;
michael@0:   OperatingSystemVersionNumbers(&dummy, &dummy, &dummy);
michael@0: }
michael@0: 
michael@0: }  // namespace base