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// Copyright (c) 2009 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/sys_info.h"
#include <CoreServices/CoreServices.h>
namespace base {
// static
void SysInfo::OperatingSystemVersionNumbers(int32 *major_version,
int32 *minor_version,
int32 *bugfix_version) {
static bool is_initialized = false;
static int32 major_version_cached = 0;
static int32 minor_version_cached = 0;
static int32 bugfix_version_cached = 0;
if (!is_initialized) {
// Gestalt can't be called in the sandbox, so we cache its return value.
Gestalt(gestaltSystemVersionMajor,
reinterpret_cast<SInt32*>(&major_version_cached));
Gestalt(gestaltSystemVersionMinor,
reinterpret_cast<SInt32*>(&minor_version_cached));
Gestalt(gestaltSystemVersionBugFix,
reinterpret_cast<SInt32*>(&bugfix_version_cached));
is_initialized = true;
}
*major_version = major_version_cached;
*minor_version = minor_version_cached;
*bugfix_version = bugfix_version_cached;
}
// static
void SysInfo::CacheSysInfo() {
// Due to startup time concerns [premature optimization?] we only cache values
// from functions we know to be called in the renderer & fail when the sandbox
// is enabled.
NumberOfProcessors();
int32 dummy;
OperatingSystemVersionNumbers(&dummy, &dummy, &dummy);
}
} // namespace base
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