зеркало из https://github.com/mozilla/gecko-dev.git
108 строки
3.7 KiB
C++
108 строки
3.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsMacUtilsImpl_h___
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#define nsMacUtilsImpl_h___
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#include "nsIMacUtils.h"
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#include "nsString.h"
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#include "mozilla/Atomics.h"
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#include "mozilla/Attributes.h"
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#include "mozilla/StaticMutex.h"
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#include "mozilla/StaticPtr.h"
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using mozilla::Atomic;
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using mozilla::StaticAutoPtr;
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using mozilla::StaticMutex;
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class nsMacUtilsImpl final : public nsIMacUtils {
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIMACUTILS
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nsMacUtilsImpl() {}
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// Return the repo directory and the repo object directory respectively.
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// These should only be used on Mac developer builds to determine the path
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// to the repo or object directory.
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static nsresult GetRepoDir(nsIFile** aRepoDir);
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static nsresult GetObjDir(nsIFile** aObjDir);
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#if defined(MOZ_SANDBOX) || defined(__aarch64__)
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static bool GetAppPath(nsCString& aAppPath);
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#endif /* MOZ_SANDBOX || __aarch64__ */
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#if defined(MOZ_SANDBOX) && defined(DEBUG)
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static nsresult GetBloatLogDir(nsCString& aDirectoryPath);
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static nsresult GetDirectoryPath(const char* aPath,
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nsCString& aDirectoryPath);
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#endif /* MOZ_SANDBOX && DEBUG */
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static void EnableTCSMIfAvailable();
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static bool IsTCSMAvailable();
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static uint32_t GetPhysicalCPUCount();
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static nsresult GetArchitecturesForBundle(uint32_t* aArchMask);
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static nsresult GetArchitecturesForBinary(const char* aPath,
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uint32_t* aArchMask);
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#if defined(__aarch64__)
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// Pre-translate binaries to avoid translation delays when launching
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// x64 child process instances for the first time. i.e. on first launch
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// after installation or after an update. Translations are cached so
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// repeated launches of the binaries do not encounter delays.
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static int PreTranslateXUL();
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static int PreTranslateBinary(nsCString aBinaryPath);
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#endif
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private:
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~nsMacUtilsImpl() {}
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nsresult GetArchString(nsAString& aArchString);
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// A string containing a "-" delimited list of architectures
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// in our binary.
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nsString mBinaryArchs;
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#if defined(MOZ_SANDBOX) || defined(__aarch64__)
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// Cache the appDir returned from GetAppPath to avoid doing I/O
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static StaticAutoPtr<nsCString> sCachedAppPath
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MOZ_GUARDED_BY(sCachedAppPathMutex);
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// For thread safe setting/checking of sCachedAppPath
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static StaticMutex sCachedAppPathMutex;
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// Utility method to call ClearOnShutdown() on the main thread
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static nsresult ClearCachedAppPathOnShutdown();
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#endif
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// The cached machine architectures of the .app bundle which can
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// be multiple architectures for universal binaries.
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static std::atomic<uint32_t> sBundleArchMaskAtomic;
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#if defined(__aarch64__)
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// Limit XUL translation to one attempt
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static std::atomic<bool> sIsXULTranslated;
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#endif
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enum TCSMStatus { TCSM_Unknown = 0, TCSM_Available, TCSM_Unavailable };
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static mozilla::Atomic<nsMacUtilsImpl::TCSMStatus> sTCSMStatus;
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static nsresult EnableTCSM();
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#if defined(DEBUG)
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static bool IsTCSMEnabled();
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#endif
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};
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// Global singleton service
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// 697BD3FD-43E5-41CE-AD5E-C339175C0818
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#define NS_MACUTILSIMPL_CID \
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{ \
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0x697BD3FD, 0x43E5, 0x41CE, { \
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0xAD, 0x5E, 0xC3, 0x39, 0x17, 0x5C, 0x08, 0x18 \
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} \
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}
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#define NS_MACUTILSIMPL_CONTRACTID "@mozilla.org/xpcom/mac-utils;1"
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#endif /* nsMacUtilsImpl_h___ */
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