ipc/chromium/src/base/sys_info_mac.cc

Thu, 22 Jan 2015 13:21:57 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 22 Jan 2015 13:21:57 +0100
branch
TOR_BUG_9701
changeset 15
b8a032363ba2
permissions
-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

michael@0 1 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
michael@0 2 // Use of this source code is governed by a BSD-style license that can be
michael@0 3 // found in the LICENSE file.
michael@0 4
michael@0 5 #include "base/sys_info.h"
michael@0 6
michael@0 7 #include <CoreServices/CoreServices.h>
michael@0 8
michael@0 9 namespace base {
michael@0 10
michael@0 11 // static
michael@0 12 void SysInfo::OperatingSystemVersionNumbers(int32_t *major_version,
michael@0 13 int32_t *minor_version,
michael@0 14 int32_t *bugfix_version) {
michael@0 15 static bool is_initialized = false;
michael@0 16 static int32_t major_version_cached = 0;
michael@0 17 static int32_t minor_version_cached = 0;
michael@0 18 static int32_t bugfix_version_cached = 0;
michael@0 19
michael@0 20 if (!is_initialized) {
michael@0 21 // Gestalt can't be called in the sandbox, so we cache its return value.
michael@0 22 Gestalt(gestaltSystemVersionMajor,
michael@0 23 reinterpret_cast<SInt32*>(&major_version_cached));
michael@0 24 Gestalt(gestaltSystemVersionMinor,
michael@0 25 reinterpret_cast<SInt32*>(&minor_version_cached));
michael@0 26 Gestalt(gestaltSystemVersionBugFix,
michael@0 27 reinterpret_cast<SInt32*>(&bugfix_version_cached));
michael@0 28 is_initialized = true;
michael@0 29 }
michael@0 30
michael@0 31 *major_version = major_version_cached;
michael@0 32 *minor_version = minor_version_cached;
michael@0 33 *bugfix_version = bugfix_version_cached;
michael@0 34 }
michael@0 35
michael@0 36 // static
michael@0 37 void SysInfo::CacheSysInfo() {
michael@0 38 // Due to startup time concerns [premature optimization?] we only cache values
michael@0 39 // from functions we know to be called in the renderer & fail when the sandbox
michael@0 40 // is enabled.
michael@0 41 NumberOfProcessors();
michael@0 42 int32_t dummy;
michael@0 43 OperatingSystemVersionNumbers(&dummy, &dummy, &dummy);
michael@0 44 }
michael@0 45
michael@0 46 } // namespace base

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